chenjl/canal
1
0
Fork 0
mirror of https://github.com/alibaba/canal.git synced 2026-11-04 00:30:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

增加支持按库名、表名动态发送topic支持

Browse Source
This commit is contained in:
mcy
2018-12-27 15:40:04 +08:00
parent 9e6adff942
commit d9e259dde4
7 changed files with 265 additions and 76 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
deployer/src/main/resources/example/instance.properties
View File

@@ -45,6 +45,8 @@ canal.instance.filter.black.regex=
# mq config # mq config
canal.mq.topic=example canal.mq.topic=example
# 动态topic, 需mq支持动态创建topic
#canal.mq.dynamicTopic=.*,mytest\\..*,mytest2.user
canal.mq.partition=0 canal.mq.partition=0
# hash partition config # hash partition config
#canal.mq.partitionsNum=3 #canal.mq.partitionsNum=3

8
instance/core/src/main/java/com/alibaba/otter/canal/instance/core/CanalMQConfig.java
View File

@@ -6,6 +6,7 @@ public class CanalMQConfig {
private Integer partition; private Integer partition;
private Integer partitionsNum; private Integer partitionsNum;
private String partitionHash; private String partitionHash;
private String dynamicTopic;
public String getTopic() { public String getTopic() {
return topic; return topic;
@@ -39,4 +40,11 @@ public class CanalMQConfig {
this.partitionHash = partitionHash; this.partitionHash = partitionHash;
} }
public String getDynamicTopic() {
return dynamicTopic;
}
public void setDynamicTopic(String dynamicTopic) {
this.dynamicTopic = dynamicTopic;
}
} }

226
server/src/main/java/com/alibaba/otter/canal/common/MQMessageUtils.java
View File

@@ -1,11 +1,6 @@
package com.alibaba.otter.canal.common; package com.alibaba.otter.canal.common;
import java.util.ArrayList; import java.util.*;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.StringUtils;
@@ -29,43 +24,137 @@ import com.google.protobuf.InvalidProtocolBufferException;
public class MQMessageUtils { public class MQMessageUtils {
@SuppressWarnings("deprecation") @SuppressWarnings("deprecation")
private static Map<String, List<PartitionData>> partitionDatas = MigrateMap.makeComputingMap(new MapMaker().softValues(), private static Map<String, List<PartitionData>> partitionDatas = MigrateMap
new Function<String, List<PartitionData>>() { .makeComputingMap(new MapMaker().softValues(), new Function<String, List<PartitionData>>() {
public List<PartitionData> apply(String pkHashConfigs) { public List<PartitionData> apply(String pkHashConfigs) {
List<PartitionData> datas = Lists.newArrayList(); List<PartitionData> datas = Lists
String[] pkHashConfigArray = StringUtils.split(pkHashConfigs, .newArrayList();
","); String[] pkHashConfigArray = StringUtils
// schema.table:id^name .split(pkHashConfigs, ",");
for (String pkHashConfig : pkHashConfigArray) { // schema.table:id^name
PartitionData data = new PartitionData(); for (String pkHashConfig : pkHashConfigArray) {
int i = pkHashConfig.lastIndexOf(":"); PartitionData data = new PartitionData();
if (i > 0) { int i = pkHashConfig
String pkStr = pkHashConfig.substring(i + 1); .lastIndexOf(":");
if (pkStr.equalsIgnoreCase("$pk$")) { if (i > 0) {
data.hashMode.autoPkHash = true; String pkStr = pkHashConfig
} else { .substring(i + 1);
data.hashMode.pkNames = Lists.newArrayList(StringUtils.split(pkStr, if (pkStr.equalsIgnoreCase(
'^')); "$pk$")) {
} data.hashMode.autoPkHash = true;
} else {
data.hashMode.pkNames = Lists
.newArrayList(
StringUtils
.split(
pkStr,
'^'));
}
pkHashConfig = pkHashConfig.substring(0, pkHashConfig = pkHashConfig
i); .substring(0, i);
} else { } else {
data.hashMode.tableHash = true; data.hashMode.tableHash = true;
} }
if (!isWildCard(pkHashConfig)) { if (!isWildCard(
data.simpleName = pkHashConfig; pkHashConfig)) {
} else { data.simpleName = pkHashConfig;
data.regexFilter = new AviaterRegexFilter(pkHashConfig); } else {
} data.regexFilter = new AviaterRegexFilter(
datas.add(data); pkHashConfig);
} }
datas.add(data);
}
return datas; return datas;
} }
}); });
@SuppressWarnings("deprecation")
private static Map<String, List<DynamicTopicData>> dynamicTopicDatas = MigrateMap
.makeComputingMap(new MapMaker().softValues(), new Function<String, List<DynamicTopicData>>() {
public List<DynamicTopicData> apply(String pkHashConfigs) {
List<DynamicTopicData> datas = Lists
.newArrayList();
String[] dynamicTopicArray = StringUtils
.split(pkHashConfigs, ",");
// schema.table
for (String dynamicTopic : dynamicTopicArray) {
DynamicTopicData data = new DynamicTopicData();
if (!isWildCard(
dynamicTopic)) {
data.simpleName = dynamicTopic;
} else {
if (dynamicTopic
.contains("\\.")) {
data.tableRegexFilter = new AviaterRegexFilter(
dynamicTopic);
} else {
data.schemaRegexFilter = new AviaterRegexFilter(
dynamicTopic);
}
}
datas.add(data);
}
return datas;
}
});
/**
* 按 schema 或者 schema+table 将 message 分配到对应topic
*
* @param message 原message
* @param defaultTopic 默认topic
* @param dynamicTopicConfigs 动态topic规则
* @return 分隔后的message map
*/
public static Map<String, Message> messageTopics(Message message, String defaultTopic, String dynamicTopicConfigs) {
List<CanalEntry.Entry> entries;
if (message.isRaw()) {
List<ByteString> rawEntries = message.getRawEntries();
entries = new ArrayList<>(rawEntries.size());
for (ByteString byteString : rawEntries) {
CanalEntry.Entry entry;
try {
entry = CanalEntry.Entry.parseFrom(byteString);
} catch (InvalidProtocolBufferException e) {
throw new RuntimeException(e);
}
entries.add(entry);
}
} else {
entries = message.getEntries();
}
Map<String, Message> messages = new HashMap<>();
for (CanalEntry.Entry entry : entries) {
if (entry.getEntryType() == CanalEntry.EntryType.TRANSACTIONBEGIN
|| entry.getEntryType() == CanalEntry.EntryType.TRANSACTIONEND) {
continue;
}
String schemaName = entry.getHeader().getSchemaName();
String tableName = entry.getHeader().getTableName();
if (StringUtils.isEmpty(schemaName) || StringUtils.isEmpty(tableName)) {
put2MapMessage(messages, message.getId(), defaultTopic, entry);
} else {
if (matchDynamicTopic(schemaName + "." + tableName, dynamicTopicConfigs)) {
put2MapMessage(messages, message.getId(), schemaName + "." + tableName, entry);
} else if (matchDynamicTopic(schemaName, dynamicTopicConfigs)) {
put2MapMessage(messages, message.getId(), schemaName, entry);
} else {
put2MapMessage(messages, message.getId(), defaultTopic, entry);
}
}
}
return messages;
}
/** /**
* 将 message 分区 * 将 message 分区
@@ -116,7 +205,7 @@ public class MQMessageUtils {
if (rowChange.getRowDatasList() != null && !rowChange.getRowDatasList().isEmpty()) { if (rowChange.getRowDatasList() != null && !rowChange.getRowDatasList().isEmpty()) {
String database = entry.getHeader().getSchemaName(); String database = entry.getHeader().getSchemaName();
String table = entry.getHeader().getTableName(); String table = entry.getHeader().getTableName();
HashMode hashMode = getParitionHashColumns(database + "." + table, pkHashConfigs); HashMode hashMode = getPartitionHashColumns(database + "." + table, pkHashConfigs);
if (hashMode == null) { if (hashMode == null) {
// 如果都没有匹配，发送到第一个分区 // 如果都没有匹配，发送到第一个分区
partitionEntries[0].add(entry); partitionEntries[0].add(entry);
@@ -192,8 +281,9 @@ public class MQMessageUtils {
try { try {
rowChange = CanalEntry.RowChange.parseFrom(entry.getStoreValue()); rowChange = CanalEntry.RowChange.parseFrom(entry.getStoreValue());
} catch (Exception e) { } catch (Exception e) {
throw new RuntimeException("ERROR ## parser of eromanga-event has an error , data:" throw new RuntimeException(
+ entry.toString(), e); "ERROR ## parser of eromanga-event has an error , data:" + entry.toString(),
e);
} }
CanalEntry.EventType eventType = rowChange.getEventType(); CanalEntry.EventType eventType = rowChange.getEventType();
@@ -307,7 +397,7 @@ public class MQMessageUtils {
if (flatMessage.getData() != null && !flatMessage.getData().isEmpty()) { if (flatMessage.getData() != null && !flatMessage.getData().isEmpty()) {
String database = flatMessage.getDatabase(); String database = flatMessage.getDatabase();
String table = flatMessage.getTable(); String table = flatMessage.getTable();
HashMode hashMode = getParitionHashColumns(database + "." + table, pkHashConfigs); HashMode hashMode = getPartitionHashColumns(database + "." + table, pkHashConfigs);
if (hashMode == null) { if (hashMode == null) {
// 如果都没有匹配，发送到第一个分区 // 如果都没有匹配，发送到第一个分区
partitionMessages[0] = flatMessage; partitionMessages[0] = flatMessage;
@@ -373,7 +463,7 @@ public class MQMessageUtils {
/** /**
* match return List , not match return null * match return List , not match return null
*/ */
public static HashMode getParitionHashColumns(String name, String pkHashConfigs) { public static HashMode getPartitionHashColumns(String name, String pkHashConfigs) {
if (StringUtils.isEmpty(pkHashConfigs)) { if (StringUtils.isEmpty(pkHashConfigs)) {
return null; return null;
} }
@@ -394,6 +484,34 @@ public class MQMessageUtils {
return null; return null;
} }
public static boolean matchDynamicTopic(String name, String dynamicTopicConfigs) {
if (StringUtils.isEmpty(dynamicTopicConfigs)) {
return false;
}
boolean res = false;
List<DynamicTopicData> datas = dynamicTopicDatas.get(dynamicTopicConfigs);
for (DynamicTopicData data : datas) {
if (data.simpleName != null) {
if (data.simpleName.equalsIgnoreCase(name)) {
res = true;
break;
}
} else if (name.contains(".")) {
if (data.tableRegexFilter != null && data.tableRegexFilter.filter(name)) {
res = true;
break;
}
} else {
if (data.schemaRegexFilter != null && data.schemaRegexFilter.filter(name)) {
res = true;
break;
}
}
}
return res;
}
public static boolean checkPkNamesHasContain(List<String> pkNames, String name) { public static boolean checkPkNamesHasContain(List<String> pkNames, String name) {
for (String pkName : pkNames) { for (String pkName : pkNames) {
if (pkName.equalsIgnoreCase(name)) { if (pkName.equalsIgnoreCase(name)) {
@@ -406,8 +524,18 @@ public class MQMessageUtils {
private static boolean isWildCard(String value) { private static boolean isWildCard(String value) {
// not contaiins '.' ? // not contaiins '.' ?
return StringUtils.containsAny(value, new char[] { '*', '?', '+', '|', '(', ')', '{', '}', '[', ']', '\\', '$', return StringUtils.containsAny(value,
'^' }); new char[] { '*', '?', '+', '|', '(', ')', '{', '}', '[', ']', '\\', '$', '^' });
}
private static void put2MapMessage(Map<String, Message> messageMap, Long messageId, String topicName,
CanalEntry.Entry entry) {
Message message = messageMap.get(topicName);
if (message == null) {
message = new Message(messageId, new ArrayList<CanalEntry.Entry>());
messageMap.put(topicName, message);
}
message.getEntries().add(entry);
} }
public static class PartitionData { public static class PartitionData {
@@ -424,4 +552,10 @@ public class MQMessageUtils {
public List<String> pkNames = Lists.newArrayList(); public List<String> pkNames = Lists.newArrayList();
} }
public static class DynamicTopicData {
public String simpleName;
public AviaterRegexFilter schemaRegexFilter;
public AviaterRegexFilter tableRegexFilter;
}
} }

10
server/src/main/java/com/alibaba/otter/canal/common/MQProperties.java
View File

@@ -1,6 +1,5 @@
package com.alibaba.otter.canal.common; package com.alibaba.otter.canal.common;
/** /**
* kafka 配置项 * kafka 配置项
* *
@@ -32,6 +31,7 @@ public class MQProperties {
private Integer partition; private Integer partition;
private Integer partitionsNum; private Integer partitionsNum;
private String partitionHash; private String partitionHash;
private String dynamicTopic;
public String getCanalDestination() { public String getCanalDestination() {
return canalDestination; return canalDestination;
@@ -72,6 +72,14 @@ public class MQProperties {
public void setPartitionHash(String partitionHash) { public void setPartitionHash(String partitionHash) {
this.partitionHash = partitionHash; this.partitionHash = partitionHash;
} }
public String getDynamicTopic() {
return dynamicTopic;
}
public void setDynamicTopic(String dynamicTopic) {
this.dynamicTopic = dynamicTopic;
}
} }
public String getServers() { public String getServers() {

45
server/src/main/java/com/alibaba/otter/canal/kafka/CanalKafkaProducer.java
View File

@@ -1,8 +1,10 @@
package com.alibaba.otter.canal.kafka; package com.alibaba.otter.canal.kafka;
import java.util.List; import java.util.List;
import java.util.Map;
import java.util.Properties; import java.util.Properties;
import org.apache.commons.lang.StringUtils;
import org.apache.kafka.clients.producer.KafkaProducer; import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.Producer; import org.apache.kafka.clients.producer.Producer;
import org.apache.kafka.clients.producer.ProducerRecord; import org.apache.kafka.clients.producer.ProducerRecord;
@@ -78,15 +80,32 @@ public class CanalKafkaProducer implements CanalMQProducer {
@Override @Override
public void send(MQProperties.CanalDestination canalDestination, Message message, Callback callback) { public void send(MQProperties.CanalDestination canalDestination, Message message, Callback callback) {
if (!StringUtils.isEmpty(canalDestination.getDynamicTopic())) {
// 动态topic
Map<String, Message> messageMap = MQMessageUtils
.messageTopics(message, canalDestination.getTopic(), canalDestination.getDynamicTopic());
for (Map.Entry<String, Message> entry : messageMap.entrySet()) {
String topicName = entry.getKey();
Message messageSub = entry.getValue();
if (logger.isDebugEnabled()) {
logger.debug("## Send message to kafka topic: " + topicName);
}
send(canalDestination, topicName, messageSub, callback);
}
} else {
send(canalDestination, canalDestination.getTopic(), message, callback);
}
}
private void send(MQProperties.CanalDestination canalDestination, String topicName, Message message,
Callback callback) {
// producer.beginTransaction(); // producer.beginTransaction();
if (!kafkaProperties.getFlatMessage()) { if (!kafkaProperties.getFlatMessage()) {
try { try {
ProducerRecord<String, Message> record = null; ProducerRecord<String, Message> record = null;
if (canalDestination.getPartition() != null) { if (canalDestination.getPartition() != null) {
record = new ProducerRecord<>(canalDestination.getTopic(), record = new ProducerRecord<>(topicName, canalDestination.getPartition(), null, message);
canalDestination.getPartition(),
null,
message);
} else { } else {
if (canalDestination.getPartitionHash() != null && !canalDestination.getPartitionHash().isEmpty()) { if (canalDestination.getPartitionHash() != null && !canalDestination.getPartitionHash().isEmpty()) {
Message[] messages = MQMessageUtils.messagePartition(message, Message[] messages = MQMessageUtils.messagePartition(message,
@@ -96,11 +115,11 @@ public class CanalKafkaProducer implements CanalMQProducer {
for (int i = 0; i < length; i++) { for (int i = 0; i < length; i++) {
Message messagePartition = messages[i]; Message messagePartition = messages[i];
if (messagePartition != null) { if (messagePartition != null) {
record = new ProducerRecord<>(canalDestination.getTopic(), i, null, messagePartition); record = new ProducerRecord<>(topicName, i, null, messagePartition);
} }
} }
} else { } else {
record = new ProducerRecord<>(canalDestination.getTopic(), 0, null, message); record = new ProducerRecord<>(topicName, 0, null, message);
} }
} }
@@ -108,9 +127,7 @@ public class CanalKafkaProducer implements CanalMQProducer {
producer.send(record).get(); producer.send(record).get();
if (logger.isDebugEnabled()) { if (logger.isDebugEnabled()) {
logger.debug("Send message to kafka topic: [{}], packet: {}", logger.debug("Send message to kafka topic: [{}], packet: {}", topicName, message.toString());
canalDestination.getTopic(),
message.toString());
} }
} }
} catch (Exception e) { } catch (Exception e) {
@@ -126,7 +143,7 @@ public class CanalKafkaProducer implements CanalMQProducer {
for (FlatMessage flatMessage : flatMessages) { for (FlatMessage flatMessage : flatMessages) {
if (canalDestination.getPartition() != null) { if (canalDestination.getPartition() != null) {
try { try {
ProducerRecord<String, String> record = new ProducerRecord<String, String>(canalDestination.getTopic(), ProducerRecord<String, String> record = new ProducerRecord<String, String>(topicName,
canalDestination.getPartition(), canalDestination.getPartition(),
null, null,
JSON.toJSONString(flatMessage, SerializerFeature.WriteMapNullValue)); JSON.toJSONString(flatMessage, SerializerFeature.WriteMapNullValue));
@@ -148,7 +165,8 @@ public class CanalKafkaProducer implements CanalMQProducer {
FlatMessage flatMessagePart = partitionFlatMessage[i]; FlatMessage flatMessagePart = partitionFlatMessage[i];
if (flatMessagePart != null) { if (flatMessagePart != null) {
try { try {
ProducerRecord<String, String> record = new ProducerRecord<String, String>(canalDestination.getTopic(), ProducerRecord<String, String> record = new ProducerRecord<String, String>(
topicName,
i, i,
null, null,
JSON.toJSONString(flatMessagePart, SerializerFeature.WriteMapNullValue)); JSON.toJSONString(flatMessagePart, SerializerFeature.WriteMapNullValue));
@@ -163,7 +181,7 @@ public class CanalKafkaProducer implements CanalMQProducer {
} }
} else { } else {
try { try {
ProducerRecord<String, String> record = new ProducerRecord<String, String>(canalDestination.getTopic(), ProducerRecord<String, String> record = new ProducerRecord<String, String>(topicName,
0, 0,
null, null,
JSON.toJSONString(flatMessage, SerializerFeature.WriteMapNullValue)); JSON.toJSONString(flatMessage, SerializerFeature.WriteMapNullValue));
@@ -178,7 +196,7 @@ public class CanalKafkaProducer implements CanalMQProducer {
} }
if (logger.isDebugEnabled()) { if (logger.isDebugEnabled()) {
logger.debug("Send flat message to kafka topic: [{}], packet: {}", logger.debug("Send flat message to kafka topic: [{}], packet: {}",
canalDestination.getTopic(), topicName,
JSON.toJSONString(flatMessage, SerializerFeature.WriteMapNullValue)); JSON.toJSONString(flatMessage, SerializerFeature.WriteMapNullValue));
} }
} }
@@ -187,7 +205,6 @@ public class CanalKafkaProducer implements CanalMQProducer {
// producer.commitTransaction(); // producer.commitTransaction();
callback.commit(); callback.commit();
} }
} }

47
server/src/main/java/com/alibaba/otter/canal/rocketmq/CanalRocketMQProducer.java
View File

@@ -1,7 +1,9 @@
package com.alibaba.otter.canal.rocketmq; package com.alibaba.otter.canal.rocketmq;
import java.util.List; import java.util.List;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.apache.rocketmq.client.exception.MQBrokerException; import org.apache.rocketmq.client.exception.MQBrokerException;
import org.apache.rocketmq.client.exception.MQClientException; import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.producer.DefaultMQProducer; import org.apache.rocketmq.client.producer.DefaultMQProducer;
@@ -59,11 +61,28 @@ public class CanalRocketMQProducer implements CanalMQProducer {
@Override @Override
public void send(final MQProperties.CanalDestination destination, com.alibaba.otter.canal.protocol.Message data, public void send(final MQProperties.CanalDestination destination, com.alibaba.otter.canal.protocol.Message data,
Callback callback) { Callback callback) {
if (!StringUtils.isEmpty(destination.getDynamicTopic())) {
// 动态topic
Map<String, com.alibaba.otter.canal.protocol.Message> messageMap = MQMessageUtils
.messageTopics(data, destination.getTopic(), destination.getDynamicTopic());
for (Map.Entry<String, com.alibaba.otter.canal.protocol.Message> entry : messageMap.entrySet()) {
String topicName = entry.getKey();
com.alibaba.otter.canal.protocol.Message messageSub = entry.getValue();
send(destination, topicName, messageSub, callback);
}
} else {
send(destination, destination.getTopic(), data, callback);
}
}
public void send(final MQProperties.CanalDestination destination, String topicName,
com.alibaba.otter.canal.protocol.Message data, Callback callback) {
if (!mqProperties.getFlatMessage()) { if (!mqProperties.getFlatMessage()) {
try { try {
if (destination.getPartition() != null) { if (destination.getPartition() != null) {
Message message = new Message(destination.getTopic(), CanalMessageSerializer.serializer(data, Message message = new Message(topicName,
mqProperties.isFilterTransactionEntry())); CanalMessageSerializer.serializer(data, mqProperties.isFilterTransactionEntry()));
if (logger.isDebugEnabled()) { if (logger.isDebugEnabled()) {
logger.debug("send message:{} to destination:{}, partition: {}", logger.debug("send message:{} to destination:{}, partition: {}",
message, message,
@@ -83,9 +102,8 @@ public class CanalRocketMQProducer implements CanalMQProducer {
}, null); }, null);
} else { } else {
if (destination.getPartitionHash() != null && !destination.getPartitionHash().isEmpty()) { if (destination.getPartitionHash() != null && !destination.getPartitionHash().isEmpty()) {
com.alibaba.otter.canal.protocol.Message[] messages = MQMessageUtils.messagePartition(data, com.alibaba.otter.canal.protocol.Message[] messages = MQMessageUtils
destination.getPartitionsNum(), .messagePartition(data, destination.getPartitionsNum(), destination.getPartitionHash());
destination.getPartitionHash());
int length = messages.length; int length = messages.length;
for (int i = 0; i < length; i++) { for (int i = 0; i < length; i++) {
com.alibaba.otter.canal.protocol.Message dataPartition = messages[i]; com.alibaba.otter.canal.protocol.Message dataPartition = messages[i];
@@ -97,7 +115,7 @@ public class CanalRocketMQProducer implements CanalMQProducer {
} }
final int index = i; final int index = i;
try { try {
Message message = new Message(destination.getTopic(), Message message = new Message(topicName,
CanalMessageSerializer.serializer(dataPartition, CanalMessageSerializer.serializer(dataPartition,
mqProperties.isFilterTransactionEntry())); mqProperties.isFilterTransactionEntry()));
this.defaultMQProducer.send(message, new MessageQueueSelector() { this.defaultMQProducer.send(message, new MessageQueueSelector() {
@@ -135,11 +153,11 @@ public class CanalRocketMQProducer implements CanalMQProducer {
if (logger.isDebugEnabled()) { if (logger.isDebugEnabled()) {
logger.debug("send message: {} to topic: {} fixed partition: {}", logger.debug("send message: {} to topic: {} fixed partition: {}",
JSON.toJSONString(flatMessage, SerializerFeature.WriteMapNullValue), JSON.toJSONString(flatMessage, SerializerFeature.WriteMapNullValue),
destination.getTopic(), topicName,
destination.getPartition()); destination.getPartition());
} }
Message message = new Message(destination.getTopic(), JSON.toJSONString(flatMessage, Message message = new Message(topicName,
SerializerFeature.WriteMapNullValue).getBytes()); JSON.toJSONString(flatMessage, SerializerFeature.WriteMapNullValue).getBytes());
this.defaultMQProducer.send(message, new MessageQueueSelector() { this.defaultMQProducer.send(message, new MessageQueueSelector() {
@Override @Override
@@ -168,22 +186,23 @@ public class CanalRocketMQProducer implements CanalMQProducer {
} }
final int index = i; final int index = i;
try { try {
Message message = new Message(destination.getTopic(), Message message = new Message(topicName,
JSON.toJSONString(flatMessagePart, SerializerFeature.WriteMapNullValue) JSON.toJSONString(flatMessagePart, SerializerFeature.WriteMapNullValue)
.getBytes()); .getBytes());
this.defaultMQProducer.send(message, new MessageQueueSelector() { this.defaultMQProducer.send(message, new MessageQueueSelector() {
@Override @Override
public MessageQueue select(List<MessageQueue> mqs, Message msg, Object arg) { public MessageQueue select(List<MessageQueue> mqs, Message msg,
Object arg) {
if (index > mqs.size()) { if (index > mqs.size()) {
throw new CanalServerException("partition number is error,config num:" throw new CanalServerException(
"partition number is error,config num:"
+ destination.getPartitionsNum() + destination.getPartitionsNum()
+ ", mq num: " + mqs.size()); + ", mq num: " + mqs.size());
} }
return mqs.get(index); return mqs.get(index);
} }
}, }, null);
null);
} catch (Exception e) { } catch (Exception e) {
logger.error("send flat message to hashed partition error", e); logger.error("send flat message to hashed partition error", e);
callback.rollback(); callback.rollback();

1
server/src/main/java/com/alibaba/otter/canal/server/CanalMQStarter.java
View File

@@ -137,6 +137,7 @@ public class CanalMQStarter {
CanalMQConfig mqConfig = canalInstance.getMqConfig(); CanalMQConfig mqConfig = canalInstance.getMqConfig();
canalDestination.setTopic(mqConfig.getTopic()); canalDestination.setTopic(mqConfig.getTopic());
canalDestination.setPartition(mqConfig.getPartition()); canalDestination.setPartition(mqConfig.getPartition());
canalDestination.setDynamicTopic(mqConfig.getDynamicTopic());
canalDestination.setPartitionsNum(mqConfig.getPartitionsNum()); canalDestination.setPartitionsNum(mqConfig.getPartitionsNum());
canalDestination.setPartitionHash(mqConfig.getPartitionHash()); canalDestination.setPartitionHash(mqConfig.getPartitionHash());