/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.cluster.impl.operations;
import com.hazelcast.cluster.MemberInfo;
import com.hazelcast.cluster.impl.ClusterServiceImpl;
import com.hazelcast.instance.MemberImpl;
import com.hazelcast.logging.ILogger;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.OperationAccessor;
import com.hazelcast.spi.OperationService;
import com.hazelcast.spi.impl.NodeEngineImpl;
import com.hazelcast.spi.impl.ResponseHandlerFactory;
import com.hazelcast.util.FutureUtil;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
public class FinalizeJoinOperation extends MemberInfoUpdateOperation implements JoinOperation {
public static final int FINALIZE_JOIN_MAX_TIMEOUT = 30;
private PostJoinOperation postJoinOp;
public FinalizeJoinOperation() {
}
public FinalizeJoinOperation(Collection<MemberInfo> members, PostJoinOperation postJoinOp, long masterTime) {
super(members, masterTime, true);
this.postJoinOp = postJoinOp;
}
public FinalizeJoinOperation(Collection<MemberInfo> members, PostJoinOperation postJoinOp,
long masterTime, boolean sendResponse) {
super(members, masterTime, sendResponse);
this.postJoinOp = postJoinOp;
}
@Override
public void run() throws Exception {
if (!isValid()) {
return;
}
processMemberUpdate();
// Post join operations must be lock free; means no locks at all;
// no partition locks, no key-based locks, no service level locks!
final ClusterServiceImpl clusterService = getService();
final NodeEngineImpl nodeEngine = clusterService.getNodeEngine();
final Operation[] postJoinOperations = nodeEngine.getPostJoinOperations();
final OperationService operationService = nodeEngine.getOperationService();
Collection<Future> calls = null;
if (postJoinOperations != null && postJoinOperations.length > 0) {
final Collection<MemberImpl> members = clusterService.getMemberList();
calls = new ArrayList<Future>(members.size());
for (MemberImpl member : members) {
if (!member.localMember()) {
PostJoinOperation operation = new PostJoinOperation(postJoinOperations);
Future f = operationService.createInvocationBuilder(ClusterServiceImpl.SERVICE_NAME,
operation, member.getAddress()).setTryCount(10).setTryPauseMillis(100).invoke();
calls.add(f);
}
}
}
if (postJoinOp != null) {
postJoinOp.setNodeEngine(nodeEngine);
OperationAccessor.setCallerAddress(postJoinOp, getCallerAddress());
OperationAccessor.setConnection(postJoinOp, getConnection());
postJoinOp.setResponseHandler(ResponseHandlerFactory.createEmptyResponseHandler());
operationService.runOperationOnCallingThread(postJoinOp);
}
if (calls != null) {
FutureUtil.waitWithDeadline(calls, Math.min(calls.size(), FINALIZE_JOIN_MAX_TIMEOUT), TimeUnit.SECONDS,
new FinalizeJoinExceptionHandler());
}
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
boolean hasPJOp = postJoinOp != null;
out.writeBoolean(hasPJOp);
if (hasPJOp) {
postJoinOp.writeData(out);
}
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
boolean hasPJOp = in.readBoolean();
if (hasPJOp) {
postJoinOp = new PostJoinOperation();
postJoinOp.readData(in);
}
}
private class FinalizeJoinExceptionHandler implements FutureUtil.ExceptionHandler {
@Override
public void handleException(Throwable throwable) {
if (throwable instanceof ExecutionException) {
ILogger logger = getLogger();
if (logger.isFinestEnabled()) {
logger.finest("Error while executing post-join operations -> "
+ throwable.getClass().getSimpleName() + "[" + throwable.getMessage() + "]", throwable);
}
}
}
}
}