/*
* Copyright 2002-2016 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.springframework.integration.core;
import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import org.springframework.core.task.AsyncTaskExecutor;
import org.springframework.core.task.SimpleAsyncTaskExecutor;
import org.springframework.core.task.support.TaskExecutorAdapter;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.core.MessagePostProcessor;
import org.springframework.util.Assert;
/**
* @author Mark Fisher
* @author Gary Russell
* @since 2.0
*/
public class AsyncMessagingTemplate extends MessagingTemplate implements AsyncMessagingOperations {
private volatile AsyncTaskExecutor executor = new SimpleAsyncTaskExecutor();
public void setExecutor(Executor executor) {
Assert.notNull(executor, "executor must not be null");
this.executor = (executor instanceof AsyncTaskExecutor) ?
(AsyncTaskExecutor) executor : new TaskExecutorAdapter(executor);
}
@Override
public Future<?> asyncSend(final Message<?> message) {
return this.executor.submit(() -> send(message));
}
@Override
public Future<?> asyncSend(final MessageChannel channel, final Message<?> message) {
return this.executor.submit(() -> send(channel, message));
}
@Override
public Future<?> asyncSend(final String channelName, final Message<?> message) {
return this.executor.submit(() -> send(channelName, message));
}
@Override
public Future<?> asyncConvertAndSend(final Object object) {
return this.executor.submit(() -> convertAndSend(object));
}
@Override
public Future<?> asyncConvertAndSend(final MessageChannel channel, final Object object) {
return this.executor.submit(() -> convertAndSend(channel, object));
}
@Override
public Future<?> asyncConvertAndSend(final String channelName, final Object object) {
return this.executor.submit(() -> convertAndSend(channelName, object));
}
@Override
public Future<Message<?>> asyncReceive() {
return this.executor.submit(() -> receive());
}
@Override
public Future<Message<?>> asyncReceive(final PollableChannel channel) {
return this.executor.submit(() -> receive(channel));
}
@Override
public Future<Message<?>> asyncReceive(final String channelName) {
return this.executor.submit(() -> receive(channelName));
}
@Override
@SuppressWarnings("unchecked")
public <R> Future<R> asyncReceiveAndConvert() {
return this.executor.submit(() -> (R) receiveAndConvert(null));
}
@Override
@SuppressWarnings("unchecked")
public <R> Future<R> asyncReceiveAndConvert(final PollableChannel channel) {
return this.executor.submit(() -> (R) receiveAndConvert(channel, null));
}
@Override
@SuppressWarnings("unchecked")
public <R> Future<R> asyncReceiveAndConvert(final String channelName) {
return this.executor.submit(() -> (R) receiveAndConvert(channelName, null));
}
@Override
public Future<Message<?>> asyncSendAndReceive(final Message<?> requestMessage) {
return this.executor.submit(() -> sendAndReceive(requestMessage));
}
@Override
public Future<Message<?>> asyncSendAndReceive(final MessageChannel channel, final Message<?> requestMessage) {
return this.executor.submit(() -> sendAndReceive(channel, requestMessage));
}
@Override
public Future<Message<?>> asyncSendAndReceive(final String channelName, final Message<?> requestMessage) {
return this.executor.submit(() -> sendAndReceive(channelName, requestMessage));
}
@Override
@SuppressWarnings("unchecked")
public <R> Future<R> asyncConvertSendAndReceive(final Object request) {
return this.executor.submit(() -> (R) convertSendAndReceive(request, null));
}
@Override
@SuppressWarnings("unchecked")
public <R> Future<R> asyncConvertSendAndReceive(final MessageChannel channel, final Object request) {
return this.executor.submit(() -> (R) convertSendAndReceive(channel, request, null));
}
@Override
@SuppressWarnings("unchecked")
public <R> Future<R> asyncConvertSendAndReceive(final String channelName, final Object request) {
return this.executor.submit(() -> (R) convertSendAndReceive(channelName, request, null));
}
@Override
@SuppressWarnings("unchecked")
public <R> Future<R> asyncConvertSendAndReceive(final Object request,
final MessagePostProcessor requestPostProcessor) {
return this.executor.submit(() -> (R) convertSendAndReceive(request, null, requestPostProcessor));
}
@Override
@SuppressWarnings("unchecked")
public <R> Future<R> asyncConvertSendAndReceive(final MessageChannel channel, final Object request,
final MessagePostProcessor requestPostProcessor) {
return this.executor.submit(() -> (R) convertSendAndReceive(channel, request, null, requestPostProcessor));
}
@Override
@SuppressWarnings("unchecked")
public <R> Future<R> asyncConvertSendAndReceive(final String channelName, final Object request,
final MessagePostProcessor requestPostProcessor) {
return this.executor.submit(() -> (R) convertSendAndReceive(channelName, request, null, requestPostProcessor));
}
}