fixed testcase

This commit is contained in:
agapple
2019-09-25 19:16:33 +08:00
parent fff623acb1
commit d86b0e6e67
19 changed files with 32 additions and 38 deletions

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>canal.client-adapter</artifactId>
<groupId>com.alibaba.otter</groupId>
<version>1.1.5-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>com.alibaba.otter</groupId>
<artifactId>client-adapter.escore</artifactId>
<packaging>jar</packaging>
<name>canal client adapter escore module for otter ${project.version}</name>
<dependencies>
<dependency>
<groupId>com.alibaba.otter</groupId>
<artifactId>client-adapter.common</artifactId>
<version>${project.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.alibaba.fastsql</groupId>
<artifactId>fastsql</artifactId>
<version>2.0.0_preview_855</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.40</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.192</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

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package com.alibaba.otter.canal.client.adapter.es.core;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.alibaba.otter.canal.client.adapter.es.core.support.ESTemplate;
import org.apache.commons.lang.StringUtils;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.otter.canal.client.adapter.OuterAdapter;
import com.alibaba.otter.canal.client.adapter.es.core.config.ESSyncConfig;
import com.alibaba.otter.canal.client.adapter.es.core.config.ESSyncConfigLoader;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem;
import com.alibaba.otter.canal.client.adapter.es.core.config.SqlParser;
import com.alibaba.otter.canal.client.adapter.es.core.monitor.ESConfigMonitor;
import com.alibaba.otter.canal.client.adapter.es.core.service.ESSyncService;
import com.alibaba.otter.canal.client.adapter.support.DatasourceConfig;
import com.alibaba.otter.canal.client.adapter.support.Dml;
import com.alibaba.otter.canal.client.adapter.support.EtlResult;
import com.alibaba.otter.canal.client.adapter.support.OuterAdapterConfig;
/**
* ES外部适配器
*
* @author rewerma 2018-10-20
* @version 1.0.0
*/
public abstract class ESAdapter implements OuterAdapter {
protected Map<String, ESSyncConfig> esSyncConfig = new ConcurrentHashMap<>(); // 文件名对应配置
protected Map<String, Map<String, ESSyncConfig>> dbTableEsSyncConfig = new ConcurrentHashMap<>(); // schema-table对应配置
protected ESTemplate esTemplate;
protected ESSyncService esSyncService;
protected ESConfigMonitor esConfigMonitor;
protected Properties envProperties;
public ESSyncService getEsSyncService() {
return esSyncService;
}
public Map<String, ESSyncConfig> getEsSyncConfig() {
return esSyncConfig;
}
public Map<String, Map<String, ESSyncConfig>> getDbTableEsSyncConfig() {
return dbTableEsSyncConfig;
}
@Override
public void init(OuterAdapterConfig configuration, Properties envProperties) {
try {
this.envProperties = envProperties;
Map<String, ESSyncConfig> esSyncConfigTmp = ESSyncConfigLoader.load(envProperties);
// 过滤不匹配的key的配置
esSyncConfigTmp.forEach((key, config) -> {
if ((config.getOuterAdapterKey() == null && configuration.getKey() == null)
|| (config.getOuterAdapterKey() != null
&& config.getOuterAdapterKey().equalsIgnoreCase(configuration.getKey()))) {
esSyncConfig.put(key, config);
}
});
for (Map.Entry<String, ESSyncConfig> entry : esSyncConfig.entrySet()) {
String configName = entry.getKey();
ESSyncConfig config = entry.getValue();
addSyncConfigToCache(configName, config);
}
esSyncService = new ESSyncService(esTemplate);
esConfigMonitor = new ESConfigMonitor();
esConfigMonitor.init(this, envProperties);
} catch (Throwable e) {
throw new RuntimeException(e);
}
}
@Override
public void sync(List<Dml> dmls) {
if (dmls == null || dmls.isEmpty()) {
return;
}
for (Dml dml : dmls) {
if (!dml.getIsDdl()) {
sync(dml);
}
}
esSyncService.commit(); // 批次统一提交
}
private void sync(Dml dml) {
String database = dml.getDatabase();
String table = dml.getTable();
Map<String, ESSyncConfig> configMap;
if (envProperties != null && !"tcp".equalsIgnoreCase(envProperties.getProperty("canal.conf.mode"))) {
configMap = dbTableEsSyncConfig
.get(StringUtils.trimToEmpty(dml.getDestination()) + "-" + StringUtils.trimToEmpty(dml.getGroupId())
+ "_" + database + "-" + table);
} else {
configMap = dbTableEsSyncConfig
.get(StringUtils.trimToEmpty(dml.getDestination()) + "_" + database + "-" + table);
}
if (configMap != null && !configMap.values().isEmpty()) {
esSyncService.sync(configMap.values(), dml);
}
}
@Override
public abstract EtlResult etl(String task, List<String> params);
@Override
public abstract Map<String, Object> count(String task);
@Override
public void destroy() {
if (esConfigMonitor != null) {
esConfigMonitor.destroy();
}
}
@Override
public String getDestination(String task) {
ESSyncConfig config = esSyncConfig.get(task);
if (config != null) {
return config.getDestination();
}
return null;
}
public void addSyncConfigToCache(String configName, ESSyncConfig config) {
Properties envProperties = this.envProperties;
SchemaItem schemaItem = SqlParser.parse(config.getEsMapping().getSql());
config.getEsMapping().setSchemaItem(schemaItem);
DruidDataSource dataSource = DatasourceConfig.DATA_SOURCES.get(config.getDataSourceKey());
if (dataSource == null || dataSource.getUrl() == null) {
throw new RuntimeException("No data source found: " + config.getDataSourceKey());
}
Pattern pattern = Pattern.compile(".*:(.*)://.*/(.*)\\?.*$");
Matcher matcher = pattern.matcher(dataSource.getUrl());
if (!matcher.find()) {
throw new RuntimeException("Not found the schema of jdbc-url: " + config.getDataSourceKey());
}
String schema = matcher.group(2);
schemaItem.getAliasTableItems().values().forEach(tableItem -> {
Map<String, ESSyncConfig> esSyncConfigMap;
if (envProperties != null
&& !"tcp".equalsIgnoreCase(envProperties.getProperty("canal.conf.mode"))) {
esSyncConfigMap = dbTableEsSyncConfig
.computeIfAbsent(StringUtils.trimToEmpty(config.getDestination()) + "-"
+ StringUtils.trimToEmpty(config.getGroupId()) + "_" + schema + "-"
+ tableItem.getTableName(),
k -> new ConcurrentHashMap<>());
} else {
esSyncConfigMap = dbTableEsSyncConfig
.computeIfAbsent(StringUtils.trimToEmpty(config.getDestination()) + "_" + schema + "-"
+ tableItem.getTableName(),
k -> new ConcurrentHashMap<>());
}
esSyncConfigMap.put(configName, config);
});
}
}

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package com.alibaba.otter.canal.client.adapter.es.core.config;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import com.alibaba.otter.canal.client.adapter.support.AdapterConfig;
/**
* ES 映射配置
*
* @author rewerma 2018-11-01
* @version 1.0.0
*/
public class ESSyncConfig implements AdapterConfig {
private String dataSourceKey; // 数据源key
private String outerAdapterKey; // adapter key
private String groupId; // group id
private String destination; // canal destination
private ESMapping esMapping;
private String esVersion = "es6";
public void validate() {
if (esMapping._index == null) {
throw new NullPointerException("esMapping._index");
}
if ("es6".equals(esVersion) && esMapping._type == null) {
throw new NullPointerException("esMapping._type");
}
if (esMapping._id == null && esMapping.getPk() == null) {
throw new NullPointerException("esMapping._id or esMapping.pk");
}
if (esMapping.sql == null) {
throw new NullPointerException("esMapping.sql");
}
}
public String getDataSourceKey() {
return dataSourceKey;
}
public void setDataSourceKey(String dataSourceKey) {
this.dataSourceKey = dataSourceKey;
}
public String getOuterAdapterKey() {
return outerAdapterKey;
}
public void setOuterAdapterKey(String outerAdapterKey) {
this.outerAdapterKey = outerAdapterKey;
}
public String getGroupId() {
return groupId;
}
public void setGroupId(String groupId) {
this.groupId = groupId;
}
public String getDestination() {
return destination;
}
public void setDestination(String destination) {
this.destination = destination;
}
public ESMapping getEsMapping() {
return esMapping;
}
public void setEsMapping(ESMapping esMapping) {
this.esMapping = esMapping;
}
public ESMapping getMapping() {
return esMapping;
}
public String getEsVersion() {
return esVersion;
}
public void setEsVersion(String esVersion) {
this.esVersion = esVersion;
}
public static class ESMapping implements AdapterMapping {
private String _index;
private String _type;
private String _id;
private boolean upsert = false;
private String pk;
private Map<String, RelationMapping> relations = new LinkedHashMap<>();
private String sql;
// 对象字段, 例: objFields:
// - _labels: array:;
private Map<String, String> objFields = new LinkedHashMap<>();
private List<String> skips = new ArrayList<>();
private int commitBatch = 1000;
private String etlCondition;
private boolean syncByTimestamp = false; // 是否按时间戳定时同步
private Long syncInterval; // 同步时间间隔
private SchemaItem schemaItem; // sql解析结果模型
public String get_index() {
return _index;
}
public void set_index(String _index) {
this._index = _index;
}
public String get_type() {
return _type;
}
public void set_type(String _type) {
this._type = _type;
}
public String get_id() {
return _id;
}
public void set_id(String _id) {
this._id = _id;
}
public boolean isUpsert() {
return upsert;
}
public void setUpsert(boolean upsert) {
this.upsert = upsert;
}
public String getPk() {
return pk;
}
public void setPk(String pk) {
this.pk = pk;
}
public Map<String, String> getObjFields() {
return objFields;
}
public void setObjFields(Map<String, String> objFields) {
this.objFields = objFields;
}
public List<String> getSkips() {
return skips;
}
public void setSkips(List<String> skips) {
this.skips = skips;
}
public Map<String, RelationMapping> getRelations() {
return relations;
}
public void setRelations(Map<String, RelationMapping> relations) {
this.relations = relations;
}
public String getSql() {
return sql;
}
public void setSql(String sql) {
this.sql = sql;
}
public int getCommitBatch() {
return commitBatch;
}
public void setCommitBatch(int commitBatch) {
this.commitBatch = commitBatch;
}
public String getEtlCondition() {
return etlCondition;
}
public void setEtlCondition(String etlCondition) {
this.etlCondition = etlCondition;
}
public Long getSyncInterval() {
return syncInterval;
}
public void setSyncInterval(Long syncInterval) {
this.syncInterval = syncInterval;
}
public boolean isSyncByTimestamp() {
return syncByTimestamp;
}
public void setSyncByTimestamp(boolean syncByTimestamp) {
this.syncByTimestamp = syncByTimestamp;
}
public SchemaItem getSchemaItem() {
return schemaItem;
}
public void setSchemaItem(SchemaItem schemaItem) {
this.schemaItem = schemaItem;
}
}
public static class RelationMapping {
private String name;
private String parent;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getParent() {
return parent;
}
public void setParent(String parent) {
this.parent = parent;
}
}
}

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package com.alibaba.otter.canal.client.adapter.es.core.config;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Properties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.alibaba.otter.canal.client.adapter.config.YmlConfigBinder;
import com.alibaba.otter.canal.client.adapter.support.MappingConfigsLoader;
/**
* ES 配置装载器
*
* @author rewerma 2018-11-01
* @version 1.0.0
*/
public class ESSyncConfigLoader {
private static Logger logger = LoggerFactory.getLogger(ESSyncConfigLoader.class);
public static synchronized Map<String, ESSyncConfig> load(Properties envProperties) {
logger.info("## Start loading es mapping config ... ");
Map<String, ESSyncConfig> esSyncConfig = new LinkedHashMap<>();
String esv = envProperties.getProperty("es.version");
Map<String, String> configContentMap = MappingConfigsLoader.loadConfigs(esv);
configContentMap.forEach((fileName, content) -> {
ESSyncConfig config = YmlConfigBinder.bindYmlToObj(null, content, ESSyncConfig.class, null, envProperties);
if (config == null) {
return;
}
config.setEsVersion(esv);
try {
config.validate();
} catch (Exception e) {
throw new RuntimeException("ERROR Config: " + fileName + " " + e.getMessage(), e);
}
esSyncConfig.put(fileName, config);
});
logger.info("## ES mapping config loaded");
return esSyncConfig;
}
}

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package com.alibaba.otter.canal.client.adapter.es.core.config;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* ES 映射配置视图
*
* @author rewerma 2018-11-01
* @version 1.0.0
*/
public class SchemaItem {
private Map<String, TableItem> aliasTableItems = new LinkedHashMap<>(); // 别名对应表名
private Map<String, FieldItem> selectFields = new LinkedHashMap<>(); // 查询字段
private String sql;
private volatile Map<String, List<TableItem>> tableItemAliases;
private volatile Map<String, List<FieldItem>> columnFields;
private volatile Boolean allFieldsSimple;
public void init() {
this.getTableItemAliases();
this.getColumnFields();
this.isAllFieldsSimple();
aliasTableItems.values().forEach(tableItem -> {
tableItem.getRelationTableFields();
tableItem.getRelationSelectFieldItems();
});
}
public Map<String, TableItem> getAliasTableItems() {
return aliasTableItems;
}
public void setAliasTableItems(Map<String, TableItem> aliasTableItems) {
this.aliasTableItems = aliasTableItems;
}
public String getSql() {
return sql;
}
public void setSql(String sql) {
this.sql = sql;
}
public Map<String, FieldItem> getSelectFields() {
return selectFields;
}
public void setSelectFields(Map<String, FieldItem> selectFields) {
this.selectFields = selectFields;
}
public String toSql() {
// todo
return null;
}
public Map<String, List<TableItem>> getTableItemAliases() {
if (tableItemAliases == null) {
synchronized (SchemaItem.class) {
if (tableItemAliases == null) {
tableItemAliases = new LinkedHashMap<>();
aliasTableItems.forEach((alias, tableItem) -> {
List<TableItem> aliases = tableItemAliases
.computeIfAbsent(tableItem.getTableName().toLowerCase(), k -> new ArrayList<>());
aliases.add(tableItem);
});
}
}
}
return tableItemAliases;
}
public Map<String, List<FieldItem>> getColumnFields() {
if (columnFields == null) {
synchronized (SchemaItem.class) {
if (columnFields == null) {
columnFields = new LinkedHashMap<>();
getSelectFields()
.forEach((fieldName, fieldItem) -> fieldItem.getColumnItems().forEach(columnItem -> {
// TableItem tableItem = getAliasTableItems().get(columnItem.getOwner());
// if (!tableItem.isSubQuery()) {
//当数据列并非原始列时,columnName是空的,例如concat('px',id)
if(columnItem.getColumnName() != null) {
List<FieldItem> fieldItems = columnFields.computeIfAbsent(
columnItem.getOwner() + "." + columnItem.getColumnName(),
k -> new ArrayList<>());
fieldItems.add(fieldItem);
}
// } else {
// tableItem.getSubQueryFields().forEach(subQueryField -> {
// List<FieldItem> fieldItems = columnFields.computeIfAbsent(
// columnItem.getOwner() + "." + subQueryField.getColumn().getColumnName(),
// k -> new ArrayList<>());
// fieldItems.add(fieldItem);
// });
// }
}));
}
}
}
return columnFields;
}
public boolean isAllFieldsSimple() {
if (allFieldsSimple == null) {
synchronized (SchemaItem.class) {
if (allFieldsSimple == null) {
allFieldsSimple = true;
for (FieldItem fieldItem : getSelectFields().values()) {
if (fieldItem.isMethod() || fieldItem.isBinaryOp()) {
allFieldsSimple = false;
break;
}
}
}
}
}
return allFieldsSimple;
}
public TableItem getMainTable() {
if (!aliasTableItems.isEmpty()) {
return aliasTableItems.values().iterator().next();
} else {
return null;
}
}
public FieldItem getIdFieldItem(ESSyncConfig.ESMapping mapping) {
if (mapping.get_id() != null) {
return getSelectFields().get(mapping.get_id());
} else {
return getSelectFields().get(mapping.getPk());
}
}
public static class TableItem {
private SchemaItem schemaItem;
private String schema;
private String tableName;
private String alias;
private String subQuerySql;
private List<FieldItem> subQueryFields = new ArrayList<>();
private List<RelationFieldsPair> relationFields = new ArrayList<>();
private boolean main;
private boolean subQuery;
private volatile Map<FieldItem, List<FieldItem>> relationTableFields; // 当前表关联条件字段对应主表查询字段
private volatile List<FieldItem> relationSelectFieldItems; // 子表所在主表的查询字段
public TableItem(SchemaItem schemaItem){
this.schemaItem = schemaItem;
}
public SchemaItem getSchemaItem() {
return schemaItem;
}
public void setSchemaItem(SchemaItem schemaItem) {
this.schemaItem = schemaItem;
}
public String getSchema() {
return schema;
}
public void setSchema(String schema) {
this.schema = schema;
}
public String getTableName() {
return tableName;
}
public void setTableName(String tableName) {
this.tableName = tableName;
}
public String getAlias() {
return alias;
}
public void setAlias(String alias) {
this.alias = alias;
}
public String getSubQuerySql() {
return subQuerySql;
}
public void setSubQuerySql(String subQuerySql) {
this.subQuerySql = subQuerySql;
}
public boolean isMain() {
return main;
}
public void setMain(boolean main) {
this.main = main;
}
public boolean isSubQuery() {
return subQuery;
}
public void setSubQuery(boolean subQuery) {
this.subQuery = subQuery;
}
public List<FieldItem> getSubQueryFields() {
return subQueryFields;
}
public void setSubQueryFields(List<FieldItem> subQueryFields) {
this.subQueryFields = subQueryFields;
}
public List<RelationFieldsPair> getRelationFields() {
return relationFields;
}
public void setRelationFields(List<RelationFieldsPair> relationFields) {
this.relationFields = relationFields;
}
public Map<FieldItem, List<FieldItem>> getRelationTableFields() {
if (relationTableFields == null) {
synchronized (SchemaItem.class) {
if (relationTableFields == null) {
relationTableFields = new LinkedHashMap<>();
getRelationFields().forEach(relationFieldsPair -> {
FieldItem leftFieldItem = relationFieldsPair.getLeftFieldItem();
FieldItem rightFieldItem = relationFieldsPair.getRightFieldItem();
FieldItem currentTableRelField = null;
if (getAlias().equals(leftFieldItem.getOwner())) {
currentTableRelField = leftFieldItem;
} else if (getAlias().equals(rightFieldItem.getOwner())) {
currentTableRelField = rightFieldItem;
}
if (currentTableRelField != null) {
List<FieldItem> selectFieldItem = getSchemaItem().getColumnFields()
.get(leftFieldItem.getOwner() + "." + leftFieldItem.getColumn().getColumnName());
if (selectFieldItem != null && !selectFieldItem.isEmpty()) {
relationTableFields.put(currentTableRelField, selectFieldItem);
} else {
selectFieldItem = getSchemaItem().getColumnFields()
.get(rightFieldItem.getOwner() + "."
+ rightFieldItem.getColumn().getColumnName());
if (selectFieldItem != null && !selectFieldItem.isEmpty()) {
relationTableFields.put(currentTableRelField, selectFieldItem);
} else {
throw new UnsupportedOperationException(
"Relation condition column must in select columns.");
}
}
}
});
}
}
}
return relationTableFields;
}
public List<FieldItem> getRelationSelectFieldItems() {
if (relationSelectFieldItems == null) {
synchronized (SchemaItem.class) {
if (relationSelectFieldItems == null) {
List<FieldItem> relationSelectFieldItemsTmp = new ArrayList<>();
for (FieldItem fieldItem : schemaItem.getSelectFields().values()) {
if (fieldItem.getOwners().contains(getAlias())) {
relationSelectFieldItemsTmp.add(fieldItem);
}
}
relationSelectFieldItems = relationSelectFieldItemsTmp;
}
}
}
return relationSelectFieldItems;
}
}
public static class RelationFieldsPair {
private FieldItem leftFieldItem;
private FieldItem rightFieldItem;
public RelationFieldsPair(FieldItem leftFieldItem, FieldItem rightFieldItem){
this.leftFieldItem = leftFieldItem;
this.rightFieldItem = rightFieldItem;
}
public FieldItem getLeftFieldItem() {
return leftFieldItem;
}
public void setLeftFieldItem(FieldItem leftFieldItem) {
this.leftFieldItem = leftFieldItem;
}
public FieldItem getRightFieldItem() {
return rightFieldItem;
}
public void setRightFieldItem(FieldItem rightFieldItem) {
this.rightFieldItem = rightFieldItem;
}
}
public static class FieldItem {
private String fieldName;
private String expr;
private List<ColumnItem> columnItems = new ArrayList<>();
private List<String> owners = new ArrayList<>();
private boolean method;
private boolean binaryOp;
public String getFieldName() {
return fieldName;
}
public void setFieldName(String fieldName) {
this.fieldName = fieldName;
}
public String getExpr() {
return expr;
}
public void setExpr(String expr) {
this.expr = expr;
}
public List<ColumnItem> getColumnItems() {
return columnItems;
}
public void setColumnItems(List<ColumnItem> columnItems) {
this.columnItems = columnItems;
}
public boolean isMethod() {
return method;
}
public void setMethod(boolean method) {
this.method = method;
}
public boolean isBinaryOp() {
return binaryOp;
}
public void setBinaryOp(boolean binaryOp) {
this.binaryOp = binaryOp;
}
public List<String> getOwners() {
return owners;
}
public void setOwners(List<String> owners) {
this.owners = owners;
}
public void addColumn(ColumnItem columnItem) {
columnItems.add(columnItem);
}
public ColumnItem getColumn() {
if (!columnItems.isEmpty()) {
return columnItems.get(0);
} else {
return null;
}
}
public String getOwner() {
if (!owners.isEmpty()) {
return owners.get(0);
} else {
return null;
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
FieldItem fieldItem = (FieldItem) o;
return fieldName != null ? fieldName.equals(fieldItem.fieldName) : fieldItem.fieldName == null;
}
@Override
public int hashCode() {
return fieldName != null ? fieldName.hashCode() : 0;
}
}
public static class ColumnItem {
private String owner;
private String columnName;
public String getOwner() {
return owner;
}
public void setOwner(String owner) {
this.owner = owner;
}
public String getColumnName() {
return columnName;
}
public void setColumnName(String columnName) {
this.columnName = columnName;
}
}
}

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package com.alibaba.otter.canal.client.adapter.es.core.config;
import static com.alibaba.fastsql.sql.ast.expr.SQLBinaryOperator.BooleanAnd;
import static com.alibaba.fastsql.sql.ast.expr.SQLBinaryOperator.Equality;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import com.alibaba.fastsql.sql.SQLUtils;
import com.alibaba.fastsql.sql.ast.SQLExpr;
import com.alibaba.fastsql.sql.ast.expr.*;
import com.alibaba.fastsql.sql.ast.statement.*;
import com.alibaba.fastsql.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
import com.alibaba.fastsql.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.fastsql.sql.parser.ParserException;
import com.alibaba.fastsql.sql.parser.SQLStatementParser;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem.ColumnItem;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem.FieldItem;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem.RelationFieldsPair;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem.TableItem;
/**
* ES同步指定sql格式解析
*
* @author rewerma 2018-10-26 下午03:45:49
* @version 1.0.0
*/
public class SqlParser {
/**
* 解析sql
*
* @param sql sql
* @return 视图对象
*/
public static SchemaItem parse(String sql) {
try {
SQLStatementParser parser = new MySqlStatementParser(sql);
SQLSelectStatement statement = (SQLSelectStatement) parser.parseStatement();
MySqlSelectQueryBlock sqlSelectQueryBlock = (MySqlSelectQueryBlock) statement.getSelect().getQuery();
SchemaItem schemaItem = new SchemaItem();
schemaItem.setSql(SQLUtils.toMySqlString(sqlSelectQueryBlock));
SQLTableSource sqlTableSource = sqlSelectQueryBlock.getFrom();
List<TableItem> tableItems = new ArrayList<>();
SqlParser.visitSelectTable(schemaItem, sqlTableSource, tableItems, null);
tableItems.forEach(tableItem -> schemaItem.getAliasTableItems().put(tableItem.getAlias(), tableItem));
List<FieldItem> fieldItems = collectSelectQueryFields(sqlSelectQueryBlock);
fieldItems.forEach(fieldItem -> schemaItem.getSelectFields().put(fieldItem.getFieldName(), fieldItem));
schemaItem.init();
if (schemaItem.getAliasTableItems().isEmpty() || schemaItem.getSelectFields().isEmpty()) {
throw new ParserException("Parse sql error");
}
return schemaItem;
} catch (Exception e) {
throw new ParserException();
}
}
/**
* 归集字段
*
* @param sqlSelectQueryBlock sqlSelectQueryBlock
* @return 字段属性列表
*/
private static List<FieldItem> collectSelectQueryFields(MySqlSelectQueryBlock sqlSelectQueryBlock) {
return sqlSelectQueryBlock.getSelectList().stream().map(selectItem -> {
FieldItem fieldItem = new FieldItem();
fieldItem.setFieldName(selectItem.getAlias());
fieldItem.setExpr(selectItem.toString());
visitColumn(selectItem.getExpr(), fieldItem);
return fieldItem;
}).collect(Collectors.toList());
}
/**
* 解析字段
*
* @param expr sql expr
* @param fieldItem 字段属性
*/
private static void visitColumn(SQLExpr expr, FieldItem fieldItem) {
if (expr instanceof SQLIdentifierExpr) {
// 无owner
SQLIdentifierExpr identifierExpr = (SQLIdentifierExpr) expr;
if (fieldItem.getFieldName() == null) {
fieldItem.setFieldName(identifierExpr.getName());
fieldItem.setExpr(identifierExpr.toString());
}
ColumnItem columnItem = new ColumnItem();
columnItem.setColumnName(identifierExpr.getName());
fieldItem.getOwners().add(null);
fieldItem.addColumn(columnItem);
} else if (expr instanceof SQLPropertyExpr) {
// 有owner
SQLPropertyExpr sqlPropertyExpr = (SQLPropertyExpr) expr;
if (fieldItem.getFieldName() == null) {
fieldItem.setFieldName(sqlPropertyExpr.getName());
fieldItem.setExpr(sqlPropertyExpr.toString());
}
fieldItem.getOwners().add(sqlPropertyExpr.getOwnernName());
ColumnItem columnItem = new ColumnItem();
columnItem.setColumnName(sqlPropertyExpr.getName());
columnItem.setOwner(sqlPropertyExpr.getOwnernName());
fieldItem.addColumn(columnItem);
} else if (expr instanceof SQLMethodInvokeExpr) {
SQLMethodInvokeExpr methodInvokeExpr = (SQLMethodInvokeExpr) expr;
fieldItem.setMethod(true);
for (SQLExpr sqlExpr : methodInvokeExpr.getArguments()) {
visitColumn(sqlExpr, fieldItem);
}
} else if (expr instanceof SQLBinaryOpExpr) {
SQLBinaryOpExpr sqlBinaryOpExpr = (SQLBinaryOpExpr) expr;
fieldItem.setBinaryOp(true);
visitColumn(sqlBinaryOpExpr.getLeft(), fieldItem);
visitColumn(sqlBinaryOpExpr.getRight(), fieldItem);
} else if (expr instanceof SQLCaseExpr) {
SQLCaseExpr sqlCaseExpr = (SQLCaseExpr) expr;
fieldItem.setMethod(true);
sqlCaseExpr.getItems().forEach(item -> visitColumn(item.getConditionExpr(), fieldItem));
} else if (expr instanceof SQLCharExpr) {
SQLCharExpr sqlCharExpr = (SQLCharExpr) expr;
String owner = null;
String columnName = null;
if (sqlCharExpr.getParent() instanceof SQLCaseExpr.Item) {
owner = ((SQLPropertyExpr) ((SQLCaseExpr.Item) sqlCharExpr.getParent()).getValueExpr()).getOwnernName();
columnName = ((SQLPropertyExpr) ((SQLCaseExpr.Item) sqlCharExpr.getParent()).getValueExpr()).getName();
}
if (fieldItem.getFieldName() == null) {
fieldItem.setFieldName(columnName);
fieldItem.setExpr(sqlCharExpr.toString());
}
ColumnItem columnItem = new ColumnItem();
columnItem.setColumnName(columnName);
columnItem.setOwner(owner);
fieldItem.getOwners().add(owner);
fieldItem.addColumn(columnItem);
}
}
/**
* 解析表
*
* @param schemaItem 视图对象
* @param sqlTableSource sqlTableSource
* @param tableItems 表对象列表
* @param tableItemTmp 表对象(临时)
*/
private static void visitSelectTable(SchemaItem schemaItem, SQLTableSource sqlTableSource,
List<TableItem> tableItems, TableItem tableItemTmp) {
if (sqlTableSource instanceof SQLExprTableSource) {
SQLExprTableSource sqlExprTableSource = (SQLExprTableSource) sqlTableSource;
TableItem tableItem;
if (tableItemTmp != null) {
tableItem = tableItemTmp;
} else {
tableItem = new TableItem(schemaItem);
}
tableItem.setSchema(sqlExprTableSource.getSchema());
tableItem.setTableName(sqlExprTableSource.getTableName());
if (tableItem.getAlias() == null) {
tableItem.setAlias(sqlExprTableSource.getAlias());
}
if (tableItems.isEmpty()) {
// 第一张表为主表
tableItem.setMain(true);
}
tableItems.add(tableItem);
} else if (sqlTableSource instanceof SQLJoinTableSource) {
SQLJoinTableSource sqlJoinTableSource = (SQLJoinTableSource) sqlTableSource;
SQLTableSource leftTableSource = sqlJoinTableSource.getLeft();
visitSelectTable(schemaItem, leftTableSource, tableItems, null);
SQLTableSource rightTableSource = sqlJoinTableSource.getRight();
TableItem rightTableItem = new TableItem(schemaItem);
// 解析on条件字段
visitOnCondition(sqlJoinTableSource.getCondition(), rightTableItem);
visitSelectTable(schemaItem, rightTableSource, tableItems, rightTableItem);
} else if (sqlTableSource instanceof SQLSubqueryTableSource) {
SQLSubqueryTableSource subQueryTableSource = (SQLSubqueryTableSource) sqlTableSource;
MySqlSelectQueryBlock sqlSelectQuery = (MySqlSelectQueryBlock) subQueryTableSource.getSelect().getQuery();
TableItem tableItem;
if (tableItemTmp != null) {
tableItem = tableItemTmp;
} else {
tableItem = new TableItem(schemaItem);
}
tableItem.setAlias(subQueryTableSource.getAlias());
tableItem.setSubQuerySql(SQLUtils.toMySqlString(sqlSelectQuery));
tableItem.setSubQuery(true);
tableItem.setSubQueryFields(collectSelectQueryFields(sqlSelectQuery));
visitSelectTable(schemaItem, sqlSelectQuery.getFrom(), tableItems, tableItem);
}
}
/**
* 解析on条件
*
* @param expr sql expr
* @param tableItem 表对象
*/
private static void visitOnCondition(SQLExpr expr, TableItem tableItem) {
if (!(expr instanceof SQLBinaryOpExpr)) {
throw new UnsupportedOperationException();
}
SQLBinaryOpExpr sqlBinaryOpExpr = (SQLBinaryOpExpr) expr;
if (sqlBinaryOpExpr.getOperator() == BooleanAnd) {
visitOnCondition(sqlBinaryOpExpr.getLeft(), tableItem);
visitOnCondition(sqlBinaryOpExpr.getRight(), tableItem);
} else if (sqlBinaryOpExpr.getOperator() == Equality) {
FieldItem leftFieldItem = new FieldItem();
visitColumn(sqlBinaryOpExpr.getLeft(), leftFieldItem);
if (leftFieldItem.getColumnItems().size() != 1 || leftFieldItem.isMethod() || leftFieldItem.isBinaryOp()) {
throw new UnsupportedOperationException("Unsupported for complex of on-condition");
}
FieldItem rightFieldItem = new FieldItem();
visitColumn(sqlBinaryOpExpr.getRight(), rightFieldItem);
if (rightFieldItem.getColumnItems().size() != 1 || rightFieldItem.isMethod()
|| rightFieldItem.isBinaryOp()) {
throw new UnsupportedOperationException("Unsupported for complex of on-condition");
}
tableItem.getRelationFields().add(new RelationFieldsPair(leftFieldItem, rightFieldItem));
} else {
throw new UnsupportedOperationException("Unsupported for complex of on-condition");
}
}
public static MySqlSelectQueryBlock parseSQLSelectQueryBlock(String sql) {
if (sql == null || "".equals(sql)) {
return null;
}
SQLStatementParser parser = new MySqlStatementParser(sql);
SQLSelectStatement statement = (SQLSelectStatement) parser.parseStatement();
return (MySqlSelectQueryBlock) statement.getSelect().getQuery();
}
public static String parse4SQLSelectItem(MySqlSelectQueryBlock sqlSelectQueryBlock) {
List<SQLSelectItem> selectItems = sqlSelectQueryBlock.getSelectList();
StringBuilder subSql = new StringBuilder();
int i = 0;
for (SQLSelectItem sqlSelectItem : selectItems) {
if (i != 0) {
subSql.append(",");
} else {
i++;
}
subSql.append(SQLUtils.toMySqlString(sqlSelectItem));
}
return subSql.toString();
}
public static String parse4FromTableSource(MySqlSelectQueryBlock sqlSelectQueryBlock) {
SQLTableSource sqlTableSource = sqlSelectQueryBlock.getFrom();
return SQLUtils.toMySqlString(sqlTableSource);
}
public static String parse4WhereItem(MySqlSelectQueryBlock sqlSelectQueryBlock) {
SQLExpr sqlExpr = sqlSelectQueryBlock.getWhere();
if (sqlExpr != null) {
return SQLUtils.toMySqlString(sqlExpr);
}
return null;
}
public static String parse4GroupBy(MySqlSelectQueryBlock sqlSelectQueryBlock) {
SQLSelectGroupByClause expr = sqlSelectQueryBlock.getGroupBy();
if (expr != null) {
return SQLUtils.toMySqlString(expr);
}
return null;
}
}

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package com.alibaba.otter.canal.client.adapter.es.core.monitor;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.alibaba.otter.canal.client.adapter.es.core.ESAdapter;
import org.apache.commons.io.filefilter.FileFilterUtils;
import org.apache.commons.io.monitor.FileAlterationListenerAdaptor;
import org.apache.commons.io.monitor.FileAlterationMonitor;
import org.apache.commons.io.monitor.FileAlterationObserver;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.otter.canal.client.adapter.config.YmlConfigBinder;
import com.alibaba.otter.canal.client.adapter.es.core.config.ESSyncConfig;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem;
import com.alibaba.otter.canal.client.adapter.es.core.config.SqlParser;
import com.alibaba.otter.canal.client.adapter.support.DatasourceConfig;
import com.alibaba.otter.canal.client.adapter.support.MappingConfigsLoader;
import com.alibaba.otter.canal.client.adapter.support.Util;
public class ESConfigMonitor {
private static final Logger logger = LoggerFactory.getLogger(ESConfigMonitor.class);
private static final String adapterName = "es";
private ESAdapter esAdapter;
private Properties envProperties;
private FileAlterationMonitor fileMonitor;
public void init(ESAdapter esAdapter, Properties envProperties) {
this.esAdapter = esAdapter;
this.envProperties = envProperties;
File confDir = Util.getConfDirPath(adapterName);
try {
FileAlterationObserver observer = new FileAlterationObserver(confDir,
FileFilterUtils.and(FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter("yml")));
FileListener listener = new FileListener();
observer.addListener(listener);
fileMonitor = new FileAlterationMonitor(3000, observer);
fileMonitor.start();
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
public void destroy() {
try {
fileMonitor.stop();
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
private class FileListener extends FileAlterationListenerAdaptor {
@Override
public void onFileCreate(File file) {
super.onFileCreate(file);
try {
// 加载新增的配置文件
String configContent = MappingConfigsLoader.loadConfig(adapterName + File.separator + file.getName());
ESSyncConfig config = YmlConfigBinder
.bindYmlToObj(null, configContent, ESSyncConfig.class, null, envProperties);
if (config != null) {
config.validate();
addConfigToCache(file, config);
logger.info("Add a new es mapping config: {} to canal adapter", file.getName());
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
@Override
public void onFileChange(File file) {
super.onFileChange(file);
try {
if (esAdapter.getEsSyncConfig().containsKey(file.getName())) {
// 加载配置文件
String configContent = MappingConfigsLoader
.loadConfig(adapterName + File.separator + file.getName());
if (configContent == null) {
onFileDelete(file);
return;
}
ESSyncConfig config = YmlConfigBinder
.bindYmlToObj(null, configContent, ESSyncConfig.class, null, envProperties);
if (config == null) {
return;
}
config.validate();
if (esAdapter.getEsSyncConfig().containsKey(file.getName())) {
deleteConfigFromCache(file);
}
addConfigToCache(file, config);
logger.info("Change a es mapping config: {} of canal adapter", file.getName());
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
@Override
public void onFileDelete(File file) {
super.onFileDelete(file);
try {
if (esAdapter.getEsSyncConfig().containsKey(file.getName())) {
deleteConfigFromCache(file);
logger.info("Delete a es mapping config: {} of canal adapter", file.getName());
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
private void addConfigToCache(File file, ESSyncConfig config) {
esAdapter.getEsSyncConfig().put(file.getName(), config);
esAdapter.addSyncConfigToCache(file.getName(),config);
}
private void deleteConfigFromCache(File file) {
esAdapter.getEsSyncConfig().remove(file.getName());
for (Map<String, ESSyncConfig> configMap : esAdapter.getDbTableEsSyncConfig().values()) {
if (configMap != null) {
configMap.remove(file.getName());
}
}
}
}
}

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package com.alibaba.otter.canal.client.adapter.es.core.service;
import java.util.*;
import javax.sql.DataSource;
import com.alibaba.fastsql.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
import com.alibaba.otter.canal.client.adapter.es.core.config.SqlParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.otter.canal.client.adapter.es.core.config.ESSyncConfig;
import com.alibaba.otter.canal.client.adapter.es.core.config.ESSyncConfig.ESMapping;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem.ColumnItem;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem.FieldItem;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem.TableItem;
import com.alibaba.otter.canal.client.adapter.es.core.support.ESSyncUtil;
import com.alibaba.otter.canal.client.adapter.es.core.support.ESTemplate;
import com.alibaba.otter.canal.client.adapter.support.DatasourceConfig;
import com.alibaba.otter.canal.client.adapter.support.Dml;
import com.alibaba.otter.canal.client.adapter.support.Util;
/**
* ES 同步 Service
*
* @author rewerma 2018-11-01
* @version 1.0.0
*/
public class ESSyncService {
private static Logger logger = LoggerFactory.getLogger(ESSyncService.class);
private ESTemplate esTemplate;
public ESSyncService(ESTemplate esTemplate){
this.esTemplate = esTemplate;
}
public void sync(Collection<ESSyncConfig> esSyncConfigs, Dml dml) {
long begin = System.currentTimeMillis();
if (esSyncConfigs != null) {
if (logger.isTraceEnabled()) {
logger.trace("Destination: {}, database:{}, table:{}, type:{}, affected index count: {}",
dml.getDestination(),
dml.getDatabase(),
dml.getTable(),
dml.getType(),
esSyncConfigs.size());
}
for (ESSyncConfig config : esSyncConfigs) {
if (logger.isTraceEnabled()) {
logger.trace("Prepared to sync index: {}, destination: {}",
config.getEsMapping().get_index(),
dml.getDestination());
}
this.sync(config, dml);
if (logger.isTraceEnabled()) {
logger.trace("Sync completed: {}, destination: {}",
config.getEsMapping().get_index(),
dml.getDestination());
}
}
if (logger.isTraceEnabled()) {
logger.trace("Sync elapsed time: {} ms, affected indexes count:{}, destination: {}",
(System.currentTimeMillis() - begin),
esSyncConfigs.size(),
dml.getDestination());
}
if (logger.isDebugEnabled()) {
StringBuilder configIndexes = new StringBuilder();
esSyncConfigs
.forEach(esSyncConfig -> configIndexes.append(esSyncConfig.getEsMapping().get_index()).append(" "));
logger.debug("DML: {} \nAffected indexes: {}",
JSON.toJSONString(dml, SerializerFeature.WriteMapNullValue),
configIndexes.toString());
}
}
}
public void sync(ESSyncConfig config, Dml dml) {
try {
// 如果是按时间戳定时更新则返回
if (config.getEsMapping().isSyncByTimestamp()) {
return;
}
long begin = System.currentTimeMillis();
String type = dml.getType();
if (type != null && type.equalsIgnoreCase("INSERT")) {
insert(config, dml);
} else if (type != null && type.equalsIgnoreCase("UPDATE")) {
update(config, dml);
} else if (type != null && type.equalsIgnoreCase("DELETE")) {
delete(config, dml);
} else {
return;
}
if (logger.isTraceEnabled()) {
logger.trace("Sync elapsed time: {} ms,destination: {}, es index: {}",
(System.currentTimeMillis() - begin),
dml.getDestination(),
config.getEsMapping().get_index());
}
} catch (Throwable e) {
logger.error("sync error, es index: {}, DML : {}", config.getEsMapping().get_index(), dml);
throw new RuntimeException(e);
}
}
/**
* 插入操作dml
*
* @param config es配置
* @param dml dml数据
*/
private void insert(ESSyncConfig config, Dml dml) {
List<Map<String, Object>> dataList = dml.getData();
if (dataList == null || dataList.isEmpty()) {
return;
}
SchemaItem schemaItem = config.getEsMapping().getSchemaItem();
for (Map<String, Object> data : dataList) {
if (data == null || data.isEmpty()) {
continue;
}
if (schemaItem.getAliasTableItems().size() == 1 && schemaItem.isAllFieldsSimple()) {
// ------单表 & 所有字段都为简单字段------
singleTableSimpleFiledInsert(config, dml, data);
} else {
// ------是主表 查询sql来插入------
if (schemaItem.getMainTable().getTableName().equalsIgnoreCase(dml.getTable())) {
mainTableInsert(config, dml, data);
}
// 从表的操作
for (TableItem tableItem : schemaItem.getAliasTableItems().values()) {
if (tableItem.isMain()) {
continue;
}
if (!tableItem.getTableName().equals(dml.getTable())) {
continue;
}
// 关联条件出现在主表查询条件是否为简单字段
boolean allFieldsSimple = true;
for (FieldItem fieldItem : tableItem.getRelationSelectFieldItems()) {
if (fieldItem.isMethod() || fieldItem.isBinaryOp()) {
allFieldsSimple = false;
break;
}
}
// 所有查询字段均为简单字段
if (allFieldsSimple) {
// 不是子查询
if (!tableItem.isSubQuery()) {
// ------关联表简单字段插入------
Map<String, Object> esFieldData = new LinkedHashMap<>();
for (FieldItem fieldItem : tableItem.getRelationSelectFieldItems()) {
Object value = esTemplate.getValFromData(config.getEsMapping(),
data,
fieldItem.getFieldName(),
fieldItem.getColumn().getColumnName());
esFieldData.put(Util.cleanColumn(fieldItem.getFieldName()), value);
}
joinTableSimpleFieldOperation(config, dml, data, tableItem, esFieldData);
} else {
// ------关联子表简单字段插入------
subTableSimpleFieldOperation(config, dml, data, null, tableItem);
}
} else {
// ------关联子表复杂字段插入 执行全sql更新es------
wholeSqlOperation(config, dml, data, null, tableItem);
}
}
}
}
}
/**
* 更新操作dml
*
* @param config es配置
* @param dml dml数据
*/
private void update(ESSyncConfig config, Dml dml) {
List<Map<String, Object>> dataList = dml.getData();
List<Map<String, Object>> oldList = dml.getOld();
if (dataList == null || dataList.isEmpty() || oldList == null || oldList.isEmpty()) {
return;
}
SchemaItem schemaItem = config.getEsMapping().getSchemaItem();
int i = 0;
for (Map<String, Object> data : dataList) {
Map<String, Object> old = oldList.get(i);
if (data == null || data.isEmpty() || old == null || old.isEmpty()) {
continue;
}
if (schemaItem.getAliasTableItems().size() == 1 && schemaItem.isAllFieldsSimple()) {
// ------单表 & 所有字段都为简单字段------
singleTableSimpleFiledUpdate(config, dml, data, old);
} else {
// ------主表 查询sql来更新------
if (schemaItem.getMainTable().getTableName().equalsIgnoreCase(dml.getTable())) {
ESMapping mapping = config.getEsMapping();
String idFieldName = mapping.get_id() == null ? mapping.getPk() : mapping.get_id();
FieldItem idFieldItem = schemaItem.getSelectFields().get(idFieldName);
boolean idFieldSimple = true;
if (idFieldItem.isMethod() || idFieldItem.isBinaryOp()) {
idFieldSimple = false;
}
boolean allUpdateFieldSimple = true;
out: for (FieldItem fieldItem : schemaItem.getSelectFields().values()) {
for (ColumnItem columnItem : fieldItem.getColumnItems()) {
if (old.containsKey(columnItem.getColumnName())) {
if (fieldItem.isMethod() || fieldItem.isBinaryOp()) {
allUpdateFieldSimple = false;
break out;
}
}
}
}
// 不支持主键更新!!
// 判断是否有外键更新
boolean fkChanged = false;
for (TableItem tableItem : schemaItem.getAliasTableItems().values()) {
if (tableItem.isMain()) {
continue;
}
boolean changed = false;
for (List<FieldItem> fieldItems : tableItem.getRelationTableFields().values()) {
for (FieldItem fieldItem : fieldItems) {
if (old.containsKey(fieldItem.getColumn().getColumnName())) {
fkChanged = true;
changed = true;
break;
}
}
}
// 如果外键有修改,则更新所对应该表的所有查询条件数据
if (changed) {
for (FieldItem fieldItem : tableItem.getRelationSelectFieldItems()) {
fieldItem.getColumnItems()
.forEach(columnItem -> old.put(columnItem.getColumnName(), null));
}
}
}
// 判断主键和所更新的字段是否全为简单字段
if (idFieldSimple && allUpdateFieldSimple && !fkChanged) {
singleTableSimpleFiledUpdate(config, dml, data, old);
} else {
mainTableUpdate(config, dml, data, old);
}
}
// 从表的操作
for (TableItem tableItem : schemaItem.getAliasTableItems().values()) {
if (tableItem.isMain()) {
continue;
}
if (!tableItem.getTableName().equals(dml.getTable())) {
continue;
}
// 关联条件出现在主表查询条件是否为简单字段
boolean allFieldsSimple = true;
for (FieldItem fieldItem : tableItem.getRelationSelectFieldItems()) {
if (fieldItem.isMethod() || fieldItem.isBinaryOp()) {
allFieldsSimple = false;
break;
}
}
// 所有查询字段均为简单字段
if (allFieldsSimple) {
// 不是子查询
if (!tableItem.isSubQuery()) {
// ------关联表简单字段更新------
Map<String, Object> esFieldData = new LinkedHashMap<>();
for (FieldItem fieldItem : tableItem.getRelationSelectFieldItems()) {
if (old.containsKey(fieldItem.getColumn().getColumnName())) {
Object value = esTemplate.getValFromData(config.getEsMapping(),
data,
fieldItem.getFieldName(),
fieldItem.getColumn().getColumnName());
esFieldData.put(Util.cleanColumn(fieldItem.getFieldName()), value);
}
}
joinTableSimpleFieldOperation(config, dml, data, tableItem, esFieldData);
} else {
// ------关联子表简单字段更新------
subTableSimpleFieldOperation(config, dml, data, old, tableItem);
}
} else {
// ------关联子表复杂字段更新 执行全sql更新es------
wholeSqlOperation(config, dml, data, old, tableItem);
}
}
}
i++;
}
}
/**
* 删除操作dml
*
* @param config es配置
* @param dml dml数据
*/
private void delete(ESSyncConfig config, Dml dml) {
List<Map<String, Object>> dataList = dml.getData();
if (dataList == null || dataList.isEmpty()) {
return;
}
SchemaItem schemaItem = config.getEsMapping().getSchemaItem();
for (Map<String, Object> data : dataList) {
if (data == null || data.isEmpty()) {
continue;
}
ESMapping mapping = config.getEsMapping();
// ------是主表------
if (schemaItem.getMainTable().getTableName().equalsIgnoreCase(dml.getTable())) {
if (mapping.get_id() != null) {
FieldItem idFieldItem = schemaItem.getIdFieldItem(mapping);
// 主键为简单字段
if (!idFieldItem.isMethod() && !idFieldItem.isBinaryOp()) {
Object idVal = esTemplate.getValFromData(mapping,
data,
idFieldItem.getFieldName(),
idFieldItem.getColumn().getColumnName());
if (logger.isTraceEnabled()) {
logger.trace("Main table delete es index, destination:{}, table: {}, index: {}, id: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
idVal);
}
esTemplate.delete(mapping, idVal, null);
} else {
// ------主键带函数, 查询sql获取主键删除------
// FIXME 删除时反查sql为空记录, 无法获获取 id field 值
mainTableDelete(config, dml, data);
}
} else {
FieldItem pkFieldItem = schemaItem.getIdFieldItem(mapping);
if (!pkFieldItem.isMethod() && !pkFieldItem.isBinaryOp()) {
Map<String, Object> esFieldData = new LinkedHashMap<>();
Object pkVal = esTemplate.getESDataFromDmlData(mapping, data, esFieldData);
if (logger.isTraceEnabled()) {
logger.trace("Main table delete es index, destination:{}, table: {}, index: {}, pk: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
pkVal);
}
esFieldData.remove(pkFieldItem.getFieldName());
esFieldData.keySet().forEach(key -> esFieldData.put(key, null));
esTemplate.delete(mapping, pkVal, esFieldData);
} else {
// ------主键带函数, 查询sql获取主键删除------
mainTableDelete(config, dml, data);
}
}
}
// 从表的操作
for (TableItem tableItem : schemaItem.getAliasTableItems().values()) {
if (tableItem.isMain()) {
continue;
}
if (!tableItem.getTableName().equals(dml.getTable())) {
continue;
}
// 关联条件出现在主表查询条件是否为简单字段
boolean allFieldsSimple = true;
for (FieldItem fieldItem : tableItem.getRelationSelectFieldItems()) {
if (fieldItem.isMethod() || fieldItem.isBinaryOp()) {
allFieldsSimple = false;
break;
}
}
// 所有查询字段均为简单字段
if (allFieldsSimple) {
// 不是子查询
if (!tableItem.isSubQuery()) {
// ------关联表简单字段更新为null------
Map<String, Object> esFieldData = new LinkedHashMap<>();
for (FieldItem fieldItem : tableItem.getRelationSelectFieldItems()) {
esFieldData.put(Util.cleanColumn(fieldItem.getFieldName()), null);
}
joinTableSimpleFieldOperation(config, dml, data, tableItem, esFieldData);
} else {
// ------关联子表简单字段更新------
subTableSimpleFieldOperation(config, dml, data, null, tableItem);
}
} else {
// ------关联子表复杂字段更新 执行全sql更新es------
wholeSqlOperation(config, dml, data, null, tableItem);
}
}
}
}
/**
* 单表简单字段insert
*
* @param config es配置
* @param dml dml信息
* @param data 单行dml数据
*/
private void singleTableSimpleFiledInsert(ESSyncConfig config, Dml dml, Map<String, Object> data) {
ESMapping mapping = config.getEsMapping();
Map<String, Object> esFieldData = new LinkedHashMap<>();
Object idVal = esTemplate.getESDataFromDmlData(mapping, data, esFieldData);
if (logger.isTraceEnabled()) {
logger.trace("Single table insert to es index, destination:{}, table: {}, index: {}, id: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
idVal);
}
esTemplate.insert(mapping, idVal, esFieldData);
}
/**
* 主表(单表)复杂字段insert
*
* @param config es配置
* @param dml dml信息
* @param data 单行dml数据
*/
private void mainTableInsert(ESSyncConfig config, Dml dml, Map<String, Object> data) {
ESMapping mapping = config.getEsMapping();
String sql = mapping.getSql();
String condition = ESSyncUtil.pkConditionSql(mapping, data);
sql = ESSyncUtil.appendCondition(sql, condition);
DataSource ds = DatasourceConfig.DATA_SOURCES.get(config.getDataSourceKey());
if (logger.isTraceEnabled()) {
logger.trace("Main table insert to es index by query sql, destination:{}, table: {}, index: {}, sql: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
sql.replace("\n", " "));
}
Util.sqlRS(ds, sql, rs -> {
try {
while (rs.next()) {
Map<String, Object> esFieldData = new LinkedHashMap<>();
Object idVal = esTemplate.getESDataFromRS(mapping, rs, esFieldData);
if (logger.isTraceEnabled()) {
logger.trace(
"Main table insert to es index by query sql, destination:{}, table: {}, index: {}, id: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
idVal);
}
esTemplate.insert(mapping, idVal, esFieldData);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return 0;
});
}
private void mainTableDelete(ESSyncConfig config, Dml dml, Map<String, Object> data) {
ESMapping mapping = config.getEsMapping();
String sql = mapping.getSql();
String condition = ESSyncUtil.pkConditionSql(mapping, data);
sql = ESSyncUtil.appendCondition(sql, condition);
DataSource ds = DatasourceConfig.DATA_SOURCES.get(config.getDataSourceKey());
if (logger.isTraceEnabled()) {
logger.trace("Main table delete es index by query sql, destination:{}, table: {}, index: {}, sql: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
sql.replace("\n", " "));
}
Util.sqlRS(ds, sql, rs -> {
try {
Map<String, Object> esFieldData = null;
if (mapping.getPk() != null) {
esFieldData = new LinkedHashMap<>();
esTemplate.getESDataFromDmlData(mapping, data, esFieldData);
esFieldData.remove(mapping.getPk());
for (String key : esFieldData.keySet()) {
esFieldData.put(Util.cleanColumn(key), null);
}
}
while (rs.next()) {
Object idVal = esTemplate.getIdValFromRS(mapping, rs);
if (logger.isTraceEnabled()) {
logger.trace(
"Main table delete to es index by query sql, destination:{}, table: {}, index: {}, id: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
idVal);
}
esTemplate.delete(mapping, idVal, esFieldData);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return 0;
});
}
/**
* 关联表主表简单字段operation
*
* @param config es配置
* @param dml dml信息
* @param data 单行dml数据
* @param tableItem 当前表配置
*/
private void joinTableSimpleFieldOperation(ESSyncConfig config, Dml dml, Map<String, Object> data,
TableItem tableItem, Map<String, Object> esFieldData) {
ESMapping mapping = config.getEsMapping();
Map<String, Object> paramsTmp = new LinkedHashMap<>();
for (Map.Entry<FieldItem, List<FieldItem>> entry : tableItem.getRelationTableFields().entrySet()) {
for (FieldItem fieldItem : entry.getValue()) {
if (fieldItem.getColumnItems().size() == 1) {
Object value = esTemplate.getValFromData(mapping,
data,
fieldItem.getFieldName(),
entry.getKey().getColumn().getColumnName());
String fieldName = fieldItem.getFieldName();
// 判断是否是主键
if (fieldName.equals(mapping.get_id())) {
fieldName = "_id";
}
paramsTmp.put(fieldName, value);
}
}
}
if (logger.isDebugEnabled()) {
logger.trace("Join table update es index by foreign key, destination:{}, table: {}, index: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index());
}
esTemplate.updateByQuery(config, paramsTmp, esFieldData);
}
/**
* 关联子查询, 主表简单字段operation
*
* @param config es配置
* @param dml dml信息
* @param data 单行dml数据
* @param old 单行old数据
* @param tableItem 当前表配置
*/
private void subTableSimpleFieldOperation(ESSyncConfig config, Dml dml, Map<String, Object> data,
Map<String, Object> old, TableItem tableItem) {
ESMapping mapping = config.getEsMapping();
MySqlSelectQueryBlock queryBlock = SqlParser.parseSQLSelectQueryBlock(tableItem.getSubQuerySql());
StringBuilder sql = new StringBuilder();
sql.append("SELECT ")
.append(SqlParser.parse4SQLSelectItem(queryBlock))
.append(" FROM ")
.append(SqlParser.parse4FromTableSource(queryBlock));
String whereSql = SqlParser.parse4WhereItem(queryBlock);
if (whereSql != null) {
sql.append(" WHERE ").append(whereSql);
} else {
sql.append(" WHERE 1=1 ");
}
List<Object> values = new ArrayList<>();
for (FieldItem fkFieldItem : tableItem.getRelationTableFields().keySet()) {
String columnName = fkFieldItem.getColumn().getColumnName();
Object value = esTemplate.getValFromData(mapping, data, fkFieldItem.getFieldName(), columnName);
sql.append(" AND ").append(columnName).append("=? ");
values.add(value);
}
String groupSql = SqlParser.parse4GroupBy(queryBlock);
if (groupSql != null) {
sql.append(groupSql);
}
DataSource ds = DatasourceConfig.DATA_SOURCES.get(config.getDataSourceKey());
if (logger.isTraceEnabled()) {
logger.trace("Join table update es index by query sql, destination:{}, table: {}, index: {}, sql: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
sql.toString().replace("\n", " "));
}
Util.sqlRS(ds, sql.toString(), values, rs -> {
try {
while (rs.next()) {
Map<String, Object> esFieldData = new LinkedHashMap<>();
for (FieldItem fieldItem : tableItem.getRelationSelectFieldItems()) {
if (old != null) {
out: for (FieldItem fieldItem1 : tableItem.getSubQueryFields()) {
for (ColumnItem columnItem0 : fieldItem.getColumnItems()) {
if (fieldItem1.getFieldName().equals(columnItem0.getColumnName()))
for (ColumnItem columnItem : fieldItem1.getColumnItems()) {
if (old.containsKey(columnItem.getColumnName())) {
Object val = esTemplate.getValFromRS(mapping,
rs,
fieldItem.getFieldName(),
fieldItem.getColumn().getColumnName());
esFieldData.put(Util.cleanColumn(fieldItem.getFieldName()), val);
break out;
}
}
}
}
} else {
Object val = esTemplate.getValFromRS(mapping,
rs,
fieldItem.getFieldName(),
fieldItem.getColumn().getColumnName());
esFieldData.put(Util.cleanColumn(fieldItem.getFieldName()), val);
}
}
Map<String, Object> paramsTmp = new LinkedHashMap<>();
for (Map.Entry<FieldItem, List<FieldItem>> entry : tableItem.getRelationTableFields().entrySet()) {
for (FieldItem fieldItem : entry.getValue()) {
if (fieldItem.getColumnItems().size() == 1) {
Object value = esTemplate.getValFromRS(mapping,
rs,
fieldItem.getFieldName(),
entry.getKey().getColumn().getColumnName());
String fieldName = fieldItem.getFieldName();
// 判断是否是主键
if (fieldName.equals(mapping.get_id())) {
fieldName = "_id";
}
paramsTmp.put(fieldName, value);
}
}
}
if (logger.isDebugEnabled()) {
logger.trace("Join table update es index by query sql, destination:{}, table: {}, index: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index());
}
esTemplate.updateByQuery(config, paramsTmp, esFieldData);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return 0;
});
}
/**
* 关联(子查询), 主表复杂字段operation, 全sql执行
*
* @param config es配置
* @param dml dml信息
* @param data 单行dml数据
* @param tableItem 当前表配置
*/
private void wholeSqlOperation(ESSyncConfig config, Dml dml, Map<String, Object> data, Map<String, Object> old,
TableItem tableItem) {
ESMapping mapping = config.getEsMapping();
// 防止最后出现groupby 导致sql解析异常
String[] sqlSplit = mapping.getSql().split("GROUP\\ BY(?!(.*)ON)");
String sqlNoWhere = sqlSplit[0];
String sqlGroupBy = "";
if (sqlSplit.length > 1) {
sqlGroupBy = "GROUP BY " + sqlSplit[1];
}
StringBuilder sql = new StringBuilder(sqlNoWhere + " WHERE ");
for (FieldItem fkFieldItem : tableItem.getRelationTableFields().keySet()) {
String columnName = fkFieldItem.getColumn().getColumnName();
Object value = esTemplate.getValFromData(mapping, data, fkFieldItem.getFieldName(), columnName);
ESSyncUtil.appendCondition(sql, value, tableItem.getAlias(), columnName);
}
int len = sql.length();
sql.delete(len - 5, len);
sql.append(sqlGroupBy);
DataSource ds = DatasourceConfig.DATA_SOURCES.get(config.getDataSourceKey());
if (logger.isTraceEnabled()) {
logger.trace("Join table update es index by query whole sql, destination:{}, table: {}, index: {}, sql: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
sql.toString().replace("\n", " "));
}
Util.sqlRS(ds, sql.toString(), rs -> {
try {
while (rs.next()) {
Map<String, Object> esFieldData = new LinkedHashMap<>();
for (FieldItem fieldItem : tableItem.getRelationSelectFieldItems()) {
if (old != null) {
// 从表子查询
out: for (FieldItem fieldItem1 : tableItem.getSubQueryFields()) {
for (ColumnItem columnItem0 : fieldItem.getColumnItems()) {
if (fieldItem1.getFieldName().equals(columnItem0.getColumnName()))
for (ColumnItem columnItem : fieldItem1.getColumnItems()) {
if (old.containsKey(columnItem.getColumnName())) {
Object val = esTemplate.getValFromRS(mapping,
rs,
fieldItem.getFieldName(),
fieldItem.getFieldName());
esFieldData.put(fieldItem.getFieldName(), val);
break out;
}
}
}
}
// 从表非子查询
for (FieldItem fieldItem1 : tableItem.getRelationSelectFieldItems()) {
if (fieldItem1.equals(fieldItem)) {
for (ColumnItem columnItem : fieldItem1.getColumnItems()) {
if (old.containsKey(columnItem.getColumnName())) {
Object val = esTemplate.getValFromRS(mapping,
rs,
fieldItem.getFieldName(),
fieldItem.getFieldName());
esFieldData.put(Util.cleanColumn(fieldItem.getFieldName()), val);
break;
}
}
}
}
} else {
Object val = esTemplate
.getValFromRS(mapping, rs, fieldItem.getFieldName(), fieldItem.getFieldName());
esFieldData.put(Util.cleanColumn(fieldItem.getFieldName()), val);
}
}
Map<String, Object> paramsTmp = new LinkedHashMap<>();
for (Map.Entry<FieldItem, List<FieldItem>> entry : tableItem.getRelationTableFields().entrySet()) {
for (FieldItem fieldItem : entry.getValue()) {
Object value = esTemplate
.getValFromRS(mapping, rs, fieldItem.getFieldName(), fieldItem.getFieldName());
String fieldName = fieldItem.getFieldName();
// 判断是否是主键
if (fieldName.equals(mapping.get_id())) {
fieldName = "_id";
}
paramsTmp.put(fieldName, value);
}
}
if (logger.isDebugEnabled()) {
logger.trace(
"Join table update es index by query whole sql, destination:{}, table: {}, index: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index());
}
esTemplate.updateByQuery(config, paramsTmp, esFieldData);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return 0;
});
}
/**
* 单表简单字段update
*
* @param config es配置
* @param dml dml信息
* @param data 单行data数据
* @param old 单行old数据
*/
private void singleTableSimpleFiledUpdate(ESSyncConfig config, Dml dml, Map<String, Object> data,
Map<String, Object> old) {
ESMapping mapping = config.getEsMapping();
Map<String, Object> esFieldData = new LinkedHashMap<>();
Object idVal = esTemplate.getESDataFromDmlData(mapping, data, old, esFieldData);
if (logger.isTraceEnabled()) {
logger.trace("Main table update to es index, destination:{}, table: {}, index: {}, id: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
idVal);
}
esTemplate.update(mapping, idVal, esFieldData);
}
/**
* 主表(单表)复杂字段update
*
* @param config es配置
* @param dml dml信息
* @param data 单行dml数据
*/
private void mainTableUpdate(ESSyncConfig config, Dml dml, Map<String, Object> data, Map<String, Object> old) {
ESMapping mapping = config.getEsMapping();
String sql = mapping.getSql();
String condition = ESSyncUtil.pkConditionSql(mapping, data);
sql = ESSyncUtil.appendCondition(sql, condition);
DataSource ds = DatasourceConfig.DATA_SOURCES.get(config.getDataSourceKey());
if (logger.isTraceEnabled()) {
logger.trace("Main table update to es index by query sql, destination:{}, table: {}, index: {}, sql: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
sql.replace("\n", " "));
}
Util.sqlRS(ds, sql, rs -> {
try {
while (rs.next()) {
Map<String, Object> esFieldData = new LinkedHashMap<>();
Object idVal = esTemplate.getESDataFromRS(mapping, rs, old, esFieldData);
if (logger.isTraceEnabled()) {
logger.trace(
"Main table update to es index by query sql, destination:{}, table: {}, index: {}, id: {}",
config.getDestination(),
dml.getTable(),
mapping.get_index(),
idVal);
}
esTemplate.update(mapping, idVal, esFieldData);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return 0;
});
}
/**
* 提交批次
*/
public void commit() {
esTemplate.commit();
}
}

View File

@@ -0,0 +1,43 @@
package com.alibaba.otter.canal.client.adapter.es.core.support;
import java.util.Map;
public interface ESBulkRequest {
void resetBulk();
ESBulkRequest add(ESIndexRequest esIndexRequest);
ESBulkRequest add(ESUpdateRequest esUpdateRequest);
ESBulkRequest add(ESDeleteRequest esDeleteRequest);
int numberOfActions();
ESBulkResponse bulk();
interface ESIndexRequest {
ESIndexRequest setSource(Map<String, ?> source);
ESIndexRequest setRouting(String routing);
}
interface ESUpdateRequest {
ESUpdateRequest setDoc(Map source);
ESUpdateRequest setDocAsUpsert(boolean shouldUpsertDoc);
ESUpdateRequest setRouting(String routing);
}
interface ESDeleteRequest {
}
interface ESBulkResponse {
boolean hasFailures();
void processFailBulkResponse(String errorMsg);
}
}

View File

@@ -0,0 +1,303 @@
package com.alibaba.otter.canal.client.adapter.es.core.support;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.sql.Blob;
import java.sql.SQLException;
import java.util.*;
import org.apache.commons.codec.binary.Base64;
import org.joda.time.DateTime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.alibaba.fastjson.JSON;
import com.alibaba.otter.canal.client.adapter.es.core.config.ESSyncConfig.ESMapping;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem.ColumnItem;
import com.alibaba.otter.canal.client.adapter.es.core.config.SchemaItem.TableItem;
import com.alibaba.otter.canal.client.adapter.support.Util;
/**
* ES 同步工具同类
*
* @author rewerma 2018-11-01
* @version 1.0.0
*/
public class ESSyncUtil {
private static Logger logger = LoggerFactory.getLogger(ESSyncUtil.class);
public static Object convertToEsObj(Object val, String fieldInfo) {
if (val == null) {
return null;
}
if (fieldInfo.startsWith("array:")) {
String separator = fieldInfo.substring("array:".length()).trim();
String[] values = val.toString().split(separator);
return Arrays.asList(values);
} else if (fieldInfo.startsWith("object")) {
if (val instanceof String){
return JSON.parse(val.toString());
}
return JSON.parse(new String((byte[])val));
}
return null;
}
/**
* 类型转换为Mapping中对应的类型
*/
public static Object typeConvert(Object val, String esType) {
if (val == null) {
return null;
}
if (esType == null) {
return val;
}
Object res = null;
if ("integer".equals(esType)) {
if (val instanceof Number) {
res = ((Number) val).intValue();
} else {
res = Integer.parseInt(val.toString());
}
} else if ("long".equals(esType)) {
if (val instanceof Number) {
res = ((Number) val).longValue();
} else {
res = Long.parseLong(val.toString());
}
} else if ("short".equals(esType)) {
if (val instanceof Number) {
res = ((Number) val).shortValue();
} else {
res = Short.parseShort(val.toString());
}
} else if ("byte".equals(esType)) {
if (val instanceof Number) {
res = ((Number) val).byteValue();
} else {
res = Byte.parseByte(val.toString());
}
} else if ("double".equals(esType)) {
if (val instanceof Number) {
res = ((Number) val).doubleValue();
} else {
res = Double.parseDouble(val.toString());
}
} else if ("float".equals(esType) || "half_float".equals(esType) || "scaled_float".equals(esType)) {
if (val instanceof Number) {
res = ((Number) val).floatValue();
} else {
res = Float.parseFloat(val.toString());
}
} else if ("boolean".equals(esType)) {
if (val instanceof Boolean) {
res = val;
} else if (val instanceof Number) {
int v = ((Number) val).intValue();
res = v != 0;
} else {
res = Boolean.parseBoolean(val.toString());
}
} else if ("date".equals(esType)) {
if (val instanceof java.sql.Time) {
DateTime dateTime = new DateTime(((java.sql.Time) val).getTime());
if (dateTime.getMillisOfSecond() != 0) {
res = dateTime.toString("HH:mm:ss.SSS");
} else {
res = dateTime.toString("HH:mm:ss");
}
} else if (val instanceof java.sql.Timestamp) {
DateTime dateTime = new DateTime(((java.sql.Timestamp) val).getTime());
if (dateTime.getMillisOfSecond() != 0) {
res = dateTime.toString("yyyy-MM-dd'T'HH:mm:ss.SSS" + Util.timeZone);
} else {
res = dateTime.toString("yyyy-MM-dd'T'HH:mm:ss" + Util.timeZone);
}
} else if (val instanceof java.sql.Date || val instanceof Date) {
DateTime dateTime;
if (val instanceof java.sql.Date) {
dateTime = new DateTime(((java.sql.Date) val).getTime());
} else {
dateTime = new DateTime(((Date) val).getTime());
}
if (dateTime.getHourOfDay() == 0 && dateTime.getMinuteOfHour() == 0 && dateTime.getSecondOfMinute() == 0
&& dateTime.getMillisOfSecond() == 0) {
res = dateTime.toString("yyyy-MM-dd");
} else {
if (dateTime.getMillisOfSecond() != 0) {
res = dateTime.toString("yyyy-MM-dd'T'HH:mm:ss.SSS" + Util.timeZone);
} else {
res = dateTime.toString("yyyy-MM-dd'T'HH:mm:ss" + Util.timeZone);
}
}
} else if (val instanceof Long) {
DateTime dateTime = new DateTime(((Long) val).longValue());
if (dateTime.getHourOfDay() == 0 && dateTime.getMinuteOfHour() == 0 && dateTime.getSecondOfMinute() == 0
&& dateTime.getMillisOfSecond() == 0) {
res = dateTime.toString("yyyy-MM-dd");
} else if (dateTime.getMillisOfSecond() != 0) {
res = dateTime.toString("yyyy-MM-dd'T'HH:mm:ss.SSS" + Util.timeZone);
} else {
res = dateTime.toString("yyyy-MM-dd'T'HH:mm:ss" + Util.timeZone);
}
} else if (val instanceof String) {
String v = ((String) val).trim();
if (v.length() > 18 && v.charAt(4) == '-' && v.charAt(7) == '-' && v.charAt(10) == ' '
&& v.charAt(13) == ':' && v.charAt(16) == ':') {
String dt = v.substring(0, 10) + "T" + v.substring(11);
Date date = Util.parseDate(dt);
if (date != null) {
DateTime dateTime = new DateTime(date);
if (dateTime.getMillisOfSecond() != 0) {
res = dateTime.toString("yyyy-MM-dd'T'HH:mm:ss.SSS" + Util.timeZone);
} else {
res = dateTime.toString("yyyy-MM-dd'T'HH:mm:ss" + Util.timeZone);
}
}
} else if (v.length() == 10 && v.charAt(4) == '-' && v.charAt(7) == '-') {
Date date = Util.parseDate(v);
if (date != null) {
DateTime dateTime = new DateTime(date);
res = dateTime.toString("yyyy-MM-dd");
}
}
}
} else if ("binary".equals(esType)) {
if (val instanceof byte[]) {
Base64 base64 = new Base64();
res = base64.encodeAsString((byte[]) val);
} else if (val instanceof Blob) {
byte[] b = blobToBytes((Blob) val);
Base64 base64 = new Base64();
res = base64.encodeAsString(b);
} else if (val instanceof String) {
// 对应canal中的单字节编码
byte[] b = ((String) val).getBytes(StandardCharsets.ISO_8859_1);
Base64 base64 = new Base64();
res = base64.encodeAsString(b);
}
} else if ("geo_point".equals(esType)) {
if (!(val instanceof String)) {
logger.error("es type is geo_point, but source type is not String");
return val;
}
if (!((String) val).contains(",")) {
logger.error("es type is geo_point, source value not contains ',' separator");
return val;
}
String[] point = ((String) val).split(",");
Map<String, Double> location = new HashMap<>();
location.put("lat", Double.valueOf(point[0].trim()));
location.put("lon", Double.valueOf(point[1].trim()));
return location;
} else if ("array".equals(esType)) {
if ("".equals(val.toString().trim())) {
res = new ArrayList<>();
} else {
String value = val.toString();
String separator = ",";
if (!value.contains(",")) {
if (value.contains(";")) {
separator = ";";
} else if (value.contains("|")) {
separator = "\\|";
} else if (value.contains("-")) {
separator = "-";
}
}
String[] values = value.split(separator);
return Arrays.asList(values);
}
} else if ("object".equals(esType)) {
if ("".equals(val.toString().trim())) {
res = new HashMap<>();
} else {
res = JSON.parseObject(val.toString(), Map.class);
}
} else {
// 其他类全以字符串处理
res = val.toString();
}
return res;
}
/**
* Blob转byte[]
*/
private static byte[] blobToBytes(Blob blob) {
try (InputStream is = blob.getBinaryStream()) {
byte[] b = new byte[(int) blob.length()];
if (is.read(b) != -1) {
return b;
} else {
return new byte[0];
}
} catch (IOException | SQLException e) {
logger.error(e.getMessage());
return null;
}
}
/**
* 拼接主键条件
*
* @param mapping
* @param data
* @return
*/
public static String pkConditionSql(ESMapping mapping, Map<String, Object> data) {
Set<ColumnItem> idColumns = new LinkedHashSet<>();
SchemaItem schemaItem = mapping.getSchemaItem();
TableItem mainTable = schemaItem.getMainTable();
for (ColumnItem idColumnItem : schemaItem.getIdFieldItem(mapping).getColumnItems()) {
if ((mainTable.getAlias() == null && idColumnItem.getOwner() == null)
|| (mainTable.getAlias() != null && mainTable.getAlias().equals(idColumnItem.getOwner()))) {
idColumns.add(idColumnItem);
}
}
if (idColumns.isEmpty()) {
throw new RuntimeException("Not found primary key field in main table");
}
// 拼接condition
StringBuilder condition = new StringBuilder(" ");
for (ColumnItem idColumn : idColumns) {
Object idVal = data.get(idColumn.getColumnName());
if (mainTable.getAlias() != null) condition.append(mainTable.getAlias()).append(".");
condition.append(idColumn.getColumnName()).append("=");
if (idVal instanceof String) {
condition.append("'").append(idVal).append("' AND ");
} else {
condition.append(idVal).append(" AND ");
}
}
if (condition.toString().endsWith("AND ")) {
int len2 = condition.length();
condition.delete(len2 - 4, len2);
}
return condition.toString();
}
public static String appendCondition(String sql, String condition) {
return sql + " WHERE " + condition + " ";
}
public static void appendCondition(StringBuilder sql, Object value, String owner, String columnName) {
if (value instanceof String) {
sql.append(owner).append(".").append(columnName).append("='").append(value).append("' AND ");
} else {
sql.append(owner).append(".").append(columnName).append("=").append(value).append(" AND ");
}
}
}

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@@ -0,0 +1,69 @@
package com.alibaba.otter.canal.client.adapter.es.core.support;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Map;
import com.alibaba.otter.canal.client.adapter.es.core.config.ESSyncConfig;
import com.alibaba.otter.canal.client.adapter.es.core.config.ESSyncConfig.ESMapping;
public interface ESTemplate {
/**
* 插入数据
*
* @param mapping 配置对象
* @param pkVal 主键值
* @param esFieldData 数据Map
*/
void insert(ESMapping mapping, Object pkVal, Map<String, Object> esFieldData);
/**
* 根据主键更新数据
*
* @param mapping 配置对象
* @param pkVal 主键值
* @param esFieldData 数据Map
*/
void update(ESMapping mapping, Object pkVal, Map<String, Object> esFieldData);
/**
* update by query
*
* @param config 配置对象
* @param paramsTmp sql查询条件
* @param esFieldData 数据Map
*/
void updateByQuery(ESSyncConfig config, Map<String, Object> paramsTmp, Map<String, Object> esFieldData);
/**
* 通过主键删除数据
*
* @param mapping 配置对象
* @param pkVal 主键值
* @param esFieldData 数据Map
*/
void delete(ESMapping mapping, Object pkVal, Map<String, Object> esFieldData);
/**
* 提交批次
*/
void commit();
Object getValFromRS(ESMapping mapping, ResultSet resultSet, String fieldName,
String columnName) throws SQLException;
Object getESDataFromRS(ESMapping mapping, ResultSet resultSet, Map<String, Object> esFieldData) throws SQLException;
Object getIdValFromRS(ESMapping mapping, ResultSet resultSet) throws SQLException;
Object getESDataFromRS(ESMapping mapping, ResultSet resultSet, Map<String, Object> dmlOld,
Map<String, Object> esFieldData) throws SQLException;
Object getValFromData(ESMapping mapping, Map<String, Object> dmlData, String fieldName, String columnName);
Object getESDataFromDmlData(ESMapping mapping, Map<String, Object> dmlData, Map<String, Object> esFieldData);
Object getESDataFromDmlData(ESMapping mapping, Map<String, Object> dmlData, Map<String, Object> dmlOld,
Map<String, Object> esFieldData);
}