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make canal server become a single instance

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This commit is contained in:
yinxiu
2016-01-07 17:23:58 +08:00
parent 72ceb58fa3
commit 9164fe4ca7
5 changed files with 36 additions and 19 deletions
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4
deployer/src/main/java/com/alibaba/otter/canal/deployer/CanalController.java
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@@ -88,9 +88,9 @@ public class CanalController {
cid = Long.valueOf(getProperty(properties, CanalConstants.CANAL_ID)); cid = Long.valueOf(getProperty(properties, CanalConstants.CANAL_ID));
ip = getProperty(properties, CanalConstants.CANAL_IP); ip = getProperty(properties, CanalConstants.CANAL_IP);
port = Integer.valueOf(getProperty(properties, CanalConstants.CANAL_PORT)); port = Integer.valueOf(getProperty(properties, CanalConstants.CANAL_PORT));
embededCanalServer = new CanalServerWithEmbedded(); embededCanalServer = CanalServerWithEmbedded.instance();
embededCanalServer.setCanalInstanceGenerator(instanceGenerator);// 设置自定义的instanceGenerator embededCanalServer.setCanalInstanceGenerator(instanceGenerator);// 设置自定义的instanceGenerator
canalServer = new CanalServerWithNetty(embededCanalServer); canalServer = CanalServerWithNetty.instance();
canalServer.setIp(ip); canalServer.setIp(ip);
canalServer.setPort(port); canalServer.setPort(port);

32
server/src/main/java/com/alibaba/otter/canal/server/embedded/CanalServerWithEmbedded.java
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@@ -6,6 +6,7 @@ import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeUnit;
import com.alibaba.otter.canal.server.CanalService;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
import org.slf4j.MDC; import org.slf4j.MDC;
@@ -37,24 +38,39 @@ import com.google.common.collect.MigrateMap;
* @author zebin.xuzb * @author zebin.xuzb
* @version 1.0.0 * @version 1.0.0
*/ */
public class CanalServerWithEmbedded extends AbstractCanalLifeCycle implements CanalServer, com.alibaba.otter.canal.server.CanalService { public class CanalServerWithEmbedded extends AbstractCanalLifeCycle implements CanalServer, CanalService {
private static final Logger logger = LoggerFactory.getLogger(CanalServerWithEmbedded.class); private static final Logger logger = LoggerFactory.getLogger(CanalServerWithEmbedded.class);
private Map<String, CanalInstance> canalInstances; private Map<String, CanalInstance> canalInstances;
// private Map<ClientIdentity, Position> lastRollbackPostions; // private Map<ClientIdentity, Position> lastRollbackPostions;
private CanalInstanceGenerator canalInstanceGenerator; private CanalInstanceGenerator canalInstanceGenerator;
private static class SingletonHolder {
private static final CanalServerWithEmbedded CANAL_SERVER_WITH_EMBEDDED = new CanalServerWithEmbedded();
}
private CanalServerWithEmbedded() {
}
public static CanalServerWithEmbedded instance() {
return SingletonHolder.CANAL_SERVER_WITH_EMBEDDED;
}
public void start() { public void start() {
super.start(); if (!isStart()) {
super.start();
canalInstances = MigrateMap.makeComputingMap(new Function<String, CanalInstance>() { canalInstances = MigrateMap.makeComputingMap(new Function<String, CanalInstance>() {
public CanalInstance apply(String destination) { public CanalInstance apply(String destination) {
return canalInstanceGenerator.generate(destination); return canalInstanceGenerator.generate(destination);
} }
}); });
// lastRollbackPostions = new MapMaker().makeMap(); // lastRollbackPostions = new MapMaker().makeMap();
}
} }
public void stop() { public void stop() {

15
server/src/main/java/com/alibaba/otter/canal/server/netty/CanalServerWithNetty.java
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@@ -33,11 +33,16 @@ public class CanalServerWithNetty extends AbstractCanalLifeCycle implements Cana
private Channel serverChannel = null; private Channel serverChannel = null;
private ServerBootstrap bootstrap = null; private ServerBootstrap bootstrap = null;
public CanalServerWithNetty(){ private static class SingletonHolder {
private static final CanalServerWithNetty CANAL_SERVER_WITH_NETTY = new CanalServerWithNetty();
} }
public CanalServerWithNetty(CanalServerWithEmbedded embeddedServer){ private CanalServerWithNetty(){
this.embeddedServer = embeddedServer; this.embeddedServer = CanalServerWithEmbedded.instance();
}
public static CanalServerWithNetty instance() {
return SingletonHolder.CANAL_SERVER_WITH_NETTY;
} }
public void start() { public void start() {
@@ -98,8 +103,4 @@ public class CanalServerWithNetty extends AbstractCanalLifeCycle implements Cana
this.port = port; this.port = port;
} }
public void setEmbeddedServer(CanalServerWithEmbedded embeddedServer) {
this.embeddedServer = embeddedServer;
}
} }

2
server/src/test/java/com/alibaba/otter/canal/server/BaseCanalServerWithEmbededTest.java
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@@ -31,7 +31,7 @@ public abstract class BaseCanalServerWithEmbededTest {
@Before @Before
public void setUp() { public void setUp() {
server = new CanalServerWithEmbedded(); server = CanalServerWithEmbedded.instance();
server.setCanalInstanceGenerator(new CanalInstanceGenerator() { server.setCanalInstanceGenerator(new CanalInstanceGenerator() {
public CanalInstance generate(String destination) { public CanalInstance generate(String destination) {

2
server/src/test/java/com/alibaba/otter/canal/server/CanalServerWithNettyTest.java
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@@ -49,7 +49,7 @@ public class CanalServerWithNettyTest {
@Before @Before
public void setUp() { public void setUp() {
CanalServerWithEmbedded embeddedServer = new CanalServerWithEmbedded(); CanalServerWithEmbedded embeddedServer = CanalServerWithEmbedded.instance();
embeddedServer.setCanalInstanceGenerator(new CanalInstanceGenerator() { embeddedServer.setCanalInstanceGenerator(new CanalInstanceGenerator() {
public CanalInstance generate(String destination) { public CanalInstance generate(String destination) {