spring SimpleJmsListenerEndpoint 源码
spring SimpleJmsListenerEndpoint 代码
文件路径：/spring-jms/src/main/java/org/springframework/jms/config/SimpleJmsListenerEndpoint.java
/*
* Copyright 2002-2021 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
*
* https://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.jms.config;
import jakarta.jms.MessageListener;
import org.springframework.jms.listener.MessageListenerContainer;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* A {@link JmsListenerEndpoint} simply providing the {@link MessageListener} to
* invoke to process an incoming message for this endpoint.
*
* @author Stephane Nicoll
* @since 4.1
*/
public class SimpleJmsListenerEndpoint extends AbstractJmsListenerEndpoint {
@Nullable
private MessageListener messageListener;
/**
* Set the {@link MessageListener} to invoke when a message matching
* the endpoint is received.
*/
public void setMessageListener(@Nullable MessageListener messageListener) {
this.messageListener = messageListener;
}
/**
* Return the {@link MessageListener} to invoke when a message matching
* the endpoint is received.
*/
@Nullable
public MessageListener getMessageListener() {
return this.messageListener;
}
@Override
protected MessageListener createMessageListener(MessageListenerContainer container) {
MessageListener listener = getMessageListener();
Assert.state(listener != null, "No MessageListener set");
return listener;
}
@Override
protected StringBuilder getEndpointDescription() {
return super.getEndpointDescription()
.append(" | messageListener='").append(this.messageListener).append('\'');
}
}
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