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refactor dubbo-samples-direct #751
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b6930b2
add spring-boot style
studyanddie dd70251
fix: add license head
studyanddie c725673
fix: add license head in pom
studyanddie e5407f9
fix: update pom.xml
studyanddie 5ee7421
feat: add two group of DirectService
studyanddie 2d9da6c
feat: add other serviceImpl
studyanddie ebfa111
update: update test
studyanddie 047f249
update: update case-configuration.yml
studyanddie c974b41
update: update case-configuration.yml
studyanddie 28f4274
update: update case-configuration.yml
studyanddie de489c0
update: update case-configuration.yml
studyanddie 311fc91
add:add EmbeddedZookeeper
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225 changes: 225 additions & 0 deletions
225
...ples-direct-provider/src/main/java/org/apache/dubbo/samples/direct/EmbeddedZooKeeper.java
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/* | ||
* Copyright 2014 the original author or authors. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
package org.apache.dubbo.samples.direct; | ||
|
||
import org.apache.zookeeper.server.ServerConfig; | ||
import org.apache.zookeeper.server.ZooKeeperServerMain; | ||
import org.apache.zookeeper.server.quorum.QuorumPeerConfig; | ||
import org.slf4j.Logger; | ||
import org.slf4j.LoggerFactory; | ||
import org.springframework.context.SmartLifecycle; | ||
import org.springframework.util.ErrorHandler; | ||
import org.springframework.util.SocketUtils; | ||
import java.io.File; | ||
import java.lang.reflect.Method; | ||
import java.util.Properties; | ||
import java.util.UUID; | ||
/** | ||
* from: https://github.com/spring-projects/spring-xd/blob/v1.3.1.RELEASE/spring-xd-dirt/src/main/java/org/springframework/xd/dirt/zookeeper/ZooKeeperUtils.java | ||
* | ||
* Helper class to start an embedded instance of standalone (non clustered) ZooKeeper. | ||
* | ||
* NOTE: at least an external standalone server (if not an ensemble) are recommended, even for | ||
* {@link org.springframework.xd.dirt.server.singlenode.SingleNodeApplication} | ||
* | ||
* @author Patrick Peralta | ||
* @author Mark Fisher | ||
* @author David Turanski | ||
*/ | ||
public class EmbeddedZooKeeper implements SmartLifecycle { | ||
/** | ||
* Logger. | ||
*/ | ||
private static final Logger logger = LoggerFactory.getLogger(EmbeddedZooKeeper.class); | ||
/** | ||
* ZooKeeper client port. This will be determined dynamically upon startup. | ||
*/ | ||
private final int clientPort; | ||
/** | ||
* Whether to auto-start. Default is true. | ||
*/ | ||
private boolean autoStartup = true; | ||
/** | ||
* Lifecycle phase. Default is 0. | ||
*/ | ||
private int phase = 0; | ||
/** | ||
* Thread for running the ZooKeeper server. | ||
*/ | ||
private volatile Thread zkServerThread; | ||
/** | ||
* ZooKeeper server. | ||
*/ | ||
private volatile ZooKeeperServerMain zkServer; | ||
/** | ||
* {@link ErrorHandler} to be invoked if an Exception is thrown from the ZooKeeper server thread. | ||
*/ | ||
private ErrorHandler errorHandler; | ||
private boolean daemon = true; | ||
/** | ||
* Construct an EmbeddedZooKeeper with a random port. | ||
*/ | ||
public EmbeddedZooKeeper() { | ||
clientPort = SocketUtils.findAvailableTcpPort(); | ||
} | ||
/** | ||
* Construct an EmbeddedZooKeeper with the provided port. | ||
* | ||
* @param clientPort port for ZooKeeper server to bind to | ||
*/ | ||
public EmbeddedZooKeeper(int clientPort, boolean daemon) { | ||
this.clientPort = clientPort; | ||
this.daemon = daemon; | ||
} | ||
/** | ||
* Returns the port that clients should use to connect to this embedded server. | ||
* | ||
* @return dynamically determined client port | ||
*/ | ||
public int getClientPort() { | ||
return this.clientPort; | ||
} | ||
/** | ||
* Specify whether to start automatically. Default is true. | ||
* | ||
* @param autoStartup whether to start automatically | ||
*/ | ||
public void setAutoStartup(boolean autoStartup) { | ||
this.autoStartup = autoStartup; | ||
} | ||
/** | ||
* {@inheritDoc} | ||
*/ | ||
@Override | ||
public boolean isAutoStartup() { | ||
return this.autoStartup; | ||
} | ||
/** | ||
* Specify the lifecycle phase for the embedded server. | ||
* | ||
* @param phase the lifecycle phase | ||
*/ | ||
public void setPhase(int phase) { | ||
this.phase = phase; | ||
} | ||
/** | ||
* {@inheritDoc} | ||
*/ | ||
@Override | ||
public int getPhase() { | ||
return this.phase; | ||
} | ||
/** | ||
* {@inheritDoc} | ||
*/ | ||
@Override | ||
public boolean isRunning() { | ||
return (zkServerThread != null); | ||
} | ||
/** | ||
* Start the ZooKeeper server in a background thread. | ||
* <p> | ||
* Register an error handler via {@link #setErrorHandler} in order to handle | ||
* any exceptions thrown during startup or execution. | ||
*/ | ||
@Override | ||
public synchronized void start() { | ||
if (zkServerThread == null) { | ||
zkServerThread = new Thread(new ServerRunnable(), "ZooKeeper Server Starter"); | ||
zkServerThread.setDaemon(daemon); | ||
zkServerThread.start(); | ||
} | ||
} | ||
/** | ||
* Shutdown the ZooKeeper server. | ||
*/ | ||
@Override | ||
public synchronized void stop() { | ||
if (zkServerThread != null) { | ||
// The shutdown method is protected...thus this hack to invoke it. | ||
// This will log an exception on shutdown; see | ||
// https://issues.apache.org/jira/browse/ZOOKEEPER-1873 for details. | ||
try { | ||
Method shutdown = ZooKeeperServerMain.class.getDeclaredMethod("shutdown"); | ||
shutdown.setAccessible(true); | ||
shutdown.invoke(zkServer); | ||
} | ||
catch (Exception e) { | ||
throw new RuntimeException(e); | ||
} | ||
// It is expected that the thread will exit after | ||
// the server is shutdown; this will block until | ||
// the shutdown is complete. | ||
try { | ||
zkServerThread.join(5000); | ||
zkServerThread = null; | ||
} | ||
catch (InterruptedException e) { | ||
Thread.currentThread().interrupt(); | ||
logger.warn("Interrupted while waiting for embedded ZooKeeper to exit"); | ||
// abandoning zk thread | ||
zkServerThread = null; | ||
} | ||
} | ||
} | ||
/** | ||
* Stop the server if running and invoke the callback when complete. | ||
*/ | ||
@Override | ||
public void stop(Runnable callback) { | ||
stop(); | ||
callback.run(); | ||
} | ||
/** | ||
* Provide an {@link ErrorHandler} to be invoked if an Exception is thrown from the ZooKeeper server thread. If none | ||
* is provided, only error-level logging will occur. | ||
* | ||
* @param errorHandler the {@link ErrorHandler} to be invoked | ||
*/ | ||
public void setErrorHandler(ErrorHandler errorHandler) { | ||
this.errorHandler = errorHandler; | ||
} | ||
/** | ||
* Runnable implementation that starts the ZooKeeper server. | ||
*/ | ||
private class ServerRunnable implements Runnable { | ||
@Override | ||
public void run() { | ||
try { | ||
Properties properties = new Properties(); | ||
File file = new File(System.getProperty("java.io.tmpdir") | ||
+ File.separator + UUID.randomUUID()); | ||
file.deleteOnExit(); | ||
properties.setProperty("dataDir", file.getAbsolutePath()); | ||
properties.setProperty("clientPort", String.valueOf(clientPort)); | ||
QuorumPeerConfig quorumPeerConfig = new QuorumPeerConfig(); | ||
quorumPeerConfig.parseProperties(properties); | ||
zkServer = new ZooKeeperServerMain(); | ||
ServerConfig configuration = new ServerConfig(); | ||
configuration.readFrom(quorumPeerConfig); | ||
zkServer.runFromConfig(configuration); | ||
} | ||
catch (Exception e) { | ||
if (errorHandler != null) { | ||
errorHandler.handleError(e); | ||
} | ||
else { | ||
logger.error("Exception running embedded ZooKeeper", e); | ||
} | ||
} | ||
} | ||
} | ||
} |
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Start
Embedded zookeeper
before application.