/*
* Copyright (c) 2008-2017, 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.client.impl.protocol.task;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.core.ExecutionCallback;
import com.hazelcast.core.ICompletableFuture;
import com.hazelcast.instance.Node;
import com.hazelcast.nio.Address;
import com.hazelcast.nio.Connection;
import com.hazelcast.spi.ExecutionService;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.impl.operationexecutor.impl.PartitionOperationThread;
import java.util.concurrent.Executor;
/**
* AbstractAddressMessageTask
*/
public abstract class AbstractAddressMessageTask<P>
extends AbstractMessageTask<P>
implements ExecutionCallback, Executor {
protected AbstractAddressMessageTask(ClientMessage clientMessage, Node node, Connection connection) {
super(clientMessage, node, connection);
}
/**
* Called on node side, before starting any operation.
*/
protected void beforeProcess() {
}
/**
* Called on node side, after process is run and right before sending the response to the client.
*/
protected void beforeResponse() {
}
/**
* Called on node side, after sending the response to the client.
*/
protected void afterResponse() {
}
@Override
public final void processMessage() {
beforeProcess();
Operation op = prepareOperation();
op.setCallerUuid(endpoint.getUuid());
ICompletableFuture f = nodeEngine.getOperationService()
.createInvocationBuilder(getServiceName(), op, getAddress())
.setResultDeserialized(false)
.invoke();
f.andThen(this, this);
}
protected abstract Address getAddress();
protected abstract Operation prepareOperation();
@Override
public void execute(Runnable command) {
if (Thread.currentThread().getClass() == PartitionOperationThread.class) {
// instead of offloading it to another thread, we run on the partition thread. This will speed up throughput.
command.run();
} else {
ExecutionService executionService = nodeEngine.getExecutionService();
Executor executor = executionService.getExecutor(ExecutionService.ASYNC_EXECUTOR);
executor.execute(command);
}
}
@Override
public void onResponse(Object response) {
beforeResponse();
sendResponse(response);
afterResponse();
}
@Override
public void onFailure(Throwable t) {
beforeResponse();
handleProcessingFailure(t);
afterResponse();
}
}