Android RabbitMQ监听断开
时间: 2023-07-04 16:16:13 浏览: 229
RabbitMQ for Android
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在Android中,监听RabbitMQ的连接状态并进行重新连接的方法有很多种,这里介绍其中一种:
1. 创建一个RabbitMQ连接监听器类,继承自ConnectionListener接口,实现其中的onClosed和onDisconnected方法,用于监听连接关闭和连接断开的事件。
2. 在你的RabbitMQ连接类中,添加对应的ConnectionListener,用于监听连接状态的变化。
3. 在onDisconnected方法中,判断连接是否是因为网络原因而断开,如果是,则进行重连操作,否则不做处理。
4. 在onClosed方法中,进行资源释放等清理操作。
下面是一个示例代码:
```java
public class RabbitMQConnectionListener implements ConnectionListener {
private final static String TAG = "RabbitMQConnectionListener";
private ConnectionFactory mConnectionFactory;
private Connection mConnection;
private Channel mChannel;
public RabbitMQConnectionListener(ConnectionFactory connectionFactory) {
mConnectionFactory = connectionFactory;
}
@Override
public void onConnected(Connection connection) {
Log.d(TAG, "RabbitMQ connected");
}
@Override
public void onDisconnected(Connection connection, Throwable throwable) {
if (throwable != null && throwable instanceof IOException) {
// 网络原因导致连接断开,进行重连操作
connect();
} else {
Log.d(TAG, "RabbitMQ disconnected");
}
}
@Override
public void onClosed(Connection connection) {
Log.d(TAG, "RabbitMQ closed");
release();
}
private void connect() {
try {
mConnection = mConnectionFactory.newConnection();
mChannel = mConnection.createChannel();
} catch (Exception e) {
Log.e(TAG, "RabbitMQ connect error: " + e.getMessage());
}
}
private void release() {
try {
if (mChannel != null) {
mChannel.close();
}
if (mConnection != null) {
mConnection.close();
}
} catch (Exception e) {
Log.e(TAG, "RabbitMQ release error: " + e.getMessage());
} finally {
mChannel = null;
mConnection = null;
}
}
}
```
在你的RabbitMQ连接类中,添加对应的ConnectionListener:
```java
ConnectionFactory connectionFactory = new ConnectionFactory();
// 设置RabbitMQ服务器地址、用户名和密码等参数
connectionFactory.setHost("localhost");
connectionFactory.setUsername("guest");
connectionFactory.setPassword("guest");
RabbitMQConnectionListener connectionListener = new RabbitMQConnectionListener(connectionFactory);
// 添加连接监听器
connectionFactory.setConnectionListener(connectionListener);
// 进行连接
connectionListener.connect();
```
这样就可以实现在Android中监听RabbitMQ连接状态,并进行重新连接的操作。
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