com.hazelcast.cluster.PostJoinOperation Maven / Gradle / Ivy
/*
* 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;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.spi.AbstractOperation;
import com.hazelcast.spi.NodeEngine;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.OperationAccessor;
import com.hazelcast.spi.OperationService;
import com.hazelcast.spi.PartitionAwareOperation;
import com.hazelcast.spi.UrgentSystemOperation;
import com.hazelcast.spi.impl.ResponseHandlerFactory;
import java.io.IOException;
import java.util.Arrays;
public class PostJoinOperation extends AbstractOperation implements UrgentSystemOperation, JoinOperation {
private Operation[] operations;
public PostJoinOperation() {
}
public PostJoinOperation(final Operation... ops) {
for (Operation op : ops) {
if (op == null) {
throw new NullPointerException();
}
if (op instanceof PartitionAwareOperation) {
throw new IllegalArgumentException("Post join operation can not be a PartitionAwareOperation!");
}
}
// we may need to do array copy!
operations = ops;
}
@Override
public void beforeRun() throws Exception {
if (operations != null && operations.length > 0) {
final NodeEngine nodeEngine = getNodeEngine();
final int len = operations.length;
for (int i = 0; i < len; i++) {
final Operation op = operations[i];
op.setNodeEngine(nodeEngine)
.setResponseHandler(ResponseHandlerFactory.createEmptyResponseHandler());
OperationAccessor.setCallerAddress(op, getCallerAddress());
OperationAccessor.setConnection(op, getConnection());
operations[i] = op;
}
}
}
@Override
public void run() throws Exception {
if (operations != null && operations.length > 0) {
final OperationService operationService = getNodeEngine().getOperationService();
for (final Operation op : operations) {
operationService.runOperationOnCallingThread(op);
}
}
}
@Override
public boolean returnsResponse() {
return true;
}
@Override
public boolean validatesTarget() {
return false;
}
@Override
protected void writeInternal(final ObjectDataOutput out) throws IOException {
final int len = operations != null ? operations.length : 0;
out.writeInt(len);
if (len > 0) {
for (Operation op : operations) {
out.writeObject(op);
}
}
}
@Override
protected void readInternal(final ObjectDataInput in) throws IOException {
final int len = in.readInt();
operations = new Operation[len];
for (int i = 0; i < len; i++) {
operations[i] = in.readObject();
}
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("PostJoinOperation{");
sb.append("operations=").append(Arrays.toString(operations));
sb.append('}');
return sb.toString();
}
}