spring CachedMessageConsumer 源码
spring CachedMessageConsumer 代码
文件路径：/spring-jms/src/main/java/org/springframework/jms/connection/CachedMessageConsumer.java
/*
* Copyright 2002-2017 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.connection;
import jakarta.jms.JMSException;
import jakarta.jms.Message;
import jakarta.jms.MessageConsumer;
import jakarta.jms.MessageListener;
import jakarta.jms.Queue;
import jakarta.jms.QueueReceiver;
import jakarta.jms.Topic;
import jakarta.jms.TopicSubscriber;
import org.springframework.lang.Nullable;
/**
* JMS MessageConsumer decorator that adapts all calls
* to a shared MessageConsumer instance underneath.
*
* @author Juergen Hoeller
* @since 2.5.6
*/
class CachedMessageConsumer implements MessageConsumer, QueueReceiver, TopicSubscriber {
protected final MessageConsumer target;
public CachedMessageConsumer(MessageConsumer target) {
this.target = target;
}
@Override
public String getMessageSelector() throws JMSException {
return this.target.getMessageSelector();
}
@Override
@Nullable
public Queue getQueue() throws JMSException {
return (this.target instanceof QueueReceiver ? ((QueueReceiver) this.target).getQueue() : null);
}
@Override
@Nullable
public Topic getTopic() throws JMSException {
return (this.target instanceof TopicSubscriber ? ((TopicSubscriber) this.target).getTopic() : null);
}
@Override
public boolean getNoLocal() throws JMSException {
return (this.target instanceof TopicSubscriber && ((TopicSubscriber) this.target).getNoLocal());
}
@Override
public MessageListener getMessageListener() throws JMSException {
return this.target.getMessageListener();
}
@Override
public void setMessageListener(MessageListener messageListener) throws JMSException {
this.target.setMessageListener(messageListener);
}
@Override
public Message receive() throws JMSException {
return this.target.receive();
}
@Override
public Message receive(long timeout) throws JMSException {
return this.target.receive(timeout);
}
@Override
public Message receiveNoWait() throws JMSException {
return this.target.receiveNoWait();
}
@Override
public void close() throws JMSException {
// It's a cached MessageConsumer...
}
@Override
public String toString() {
return "Cached JMS MessageConsumer: " + this.target;
}
}
相关信息
相关文章
spring CachedMessageProducer 源码
spring CachingConnectionFactory 源码
spring ChainedExceptionListener 源码
spring ConnectionFactoryUtils 源码
spring DelegatingConnectionFactory 源码
spring JmsTransactionManager 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦