spring JmsHealthIndicator 源码
springboot JmsHealthIndicator 代码
文件路径：/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/jms/JmsHealthIndicator.java
/*
* Copyright 2012-2022 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.boot.actuate.jms;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import jakarta.jms.Connection;
import jakarta.jms.ConnectionFactory;
import jakarta.jms.JMSException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.boot.actuate.health.AbstractHealthIndicator;
import org.springframework.boot.actuate.health.Health;
import org.springframework.boot.actuate.health.HealthIndicator;
/**
* {@link HealthIndicator} for a JMS {@link ConnectionFactory}.
*
* @author Stephane Nicoll
* @since 2.0.0
*/
public class JmsHealthIndicator extends AbstractHealthIndicator {
private final Log logger = LogFactory.getLog(JmsHealthIndicator.class);
private final ConnectionFactory connectionFactory;
public JmsHealthIndicator(ConnectionFactory connectionFactory) {
super("JMS health check failed");
this.connectionFactory = connectionFactory;
}
@Override
protected void doHealthCheck(Health.Builder builder) throws Exception {
try (Connection connection = this.connectionFactory.createConnection()) {
new MonitoredConnection(connection).start();
builder.up().withDetail("provider", connection.getMetaData().getJMSProviderName());
}
}
private final class MonitoredConnection {
private final CountDownLatch latch = new CountDownLatch(1);
private final Connection connection;
MonitoredConnection(Connection connection) {
this.connection = connection;
}
void start() throws JMSException {
new Thread(() -> {
try {
if (!this.latch.await(5, TimeUnit.SECONDS)) {
JmsHealthIndicator.this.logger
.warn("Connection failed to start within 5 seconds and will be closed.");
closeConnection();
}
}
catch (InterruptedException ex) {
Thread.currentThread().interrupt();
}
}, "jms-health-indicator").start();
this.connection.start();
this.latch.countDown();
}
private void closeConnection() {
try {
this.connection.close();
}
catch (Exception ex) {
// Continue
}
}
}
}
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- 本文标签： Spring Boot Spring Java
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