[英]Sending object using spring boot JMS
我做了2个课程:1个发送和1个接收。 目前,我只能发送一个基本字符串,并且效果很好
寄件人
@Component
public class Sender {
@Autowired
private JmsTemplate jmsTemplate;
//Script must be serializable
public void testSend(/*Script*/String message)
{
jmsTemplate.convertAndSend("my-destination", message);
}
}
接收器
@Component
public class Receiver {
@Autowired
private ConfigurableApplicationContext context;
@JmsListener(destination = "my-destination")
public void receive(String message) {
System.out.println(message);
try {
Thread.sleep(4000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
context.close();
}
}
我不能在这里实现适当的代码,如果有人可以告诉我该怎么做,我将不胜感激
除了发送复杂的Java对象(可序列化)外,我几乎会做同样的事情。 并且接收器类应该能够识别对象的类。
您可以直接创建一个ByteMessage并序列化您的对象(该对象必须可序列化):
this.jmsTemplate.send("my-destination", new MessageCreator() {
public Message createMessage(Session session) throws JMSException {
final ByteArrayOutputStream bOut = new ByteArrayOutputStream();
final ObjectOutputStream oOut = new ObjectOutputStream(bOut);
oOut.writeObject(_object); // where object is the object to serialize
bytes[] data = bOut.toByteArray();
return session.createByteMessage(data);
}
});
和
@JmsListener(destination = "my-destination")
public void receive(Message message) {
final BytesMessage message = (BytesMessage) _message;
final byte[] array = new byte[Long.valueOf(message.getBodyLength()).intValue()];
message.readBytes(array);
final ByteArrayInputStream bIn = new ByteArrayInputStream(_bytes);
final ObjectInputStream oIn = new ObjectInputStream(bIn);
Object obj = oIn.readObject(); // the deserialized object
}
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