spring BrokerAvailabilityEvent 源码
spring BrokerAvailabilityEvent 代码
文件路径：/spring-messaging/src/main/java/org/springframework/messaging/simp/broker/BrokerAvailabilityEvent.java
/*
* Copyright 2002-2018 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.messaging.simp.broker;
import org.springframework.context.ApplicationEvent;
/**
* Event raised when a broker's availability changes.
*
* @author Andy Wilkinson
*/
public class BrokerAvailabilityEvent extends ApplicationEvent {
private static final long serialVersionUID = -8156742505179181002L;
private final boolean brokerAvailable;
/**
* Creates a new {@code BrokerAvailabilityEvent}.
*
* @param brokerAvailable {@code true} if the broker is available, {@code}
* false otherwise
* @param source the component that is acting as the broker, or as a relay
* for an external broker, that has changed availability. Must not be {@code
* null}.
*/
public BrokerAvailabilityEvent(boolean brokerAvailable, Object source) {
super(source);
this.brokerAvailable = brokerAvailable;
}
public boolean isBrokerAvailable() {
return this.brokerAvailable;
}
@Override
public String toString() {
return "BrokerAvailabilityEvent[available=" + this.brokerAvailable + ", " + getSource() + "]";
}
}
相关信息
相关文章
spring AbstractBrokerMessageHandler 源码
spring AbstractSubscriptionRegistry 源码
spring DefaultSubscriptionRegistry 源码
spring OrderedMessageChannelDecorator 源码
spring SimpleBrokerMessageHandler 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