hunt.stomp.simp.broker.BrokerAvailabilityEvent source code

1 /*
2  * Copyright 2002-2018 the original author or authors.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 module hunt.stomp.simp.broker.BrokerAvailabilityEvent;
18 
19 import hunt.util.ApplicationEvent;
20 import std.conv;
21 
22 /**
23  * Event raised when a broker's availability changes.
24  *
25  * @author Andy Wilkinson
26  */
27 class BrokerAvailabilityEvent : ApplicationEvent {
28 
29 	private bool brokerAvailable;
30 
31 
32 	/**
33 	 * Creates a new {@code BrokerAvailabilityEvent}.
34 	 *
35 	 * @param brokerAvailable {@code true} if the broker is available, {@code}
36 	 * false otherwise
37 	 * @param source the component that is acting as the broker, or as a relay
38 	 * for an external broker, that has changed availability. Must not be {@code
39 	 * null}.
40 	 */
41 	this(bool brokerAvailable, Object source) {
42 		super(source);
43 		this.brokerAvailable = brokerAvailable;
44 	}
45 
46 	bool isBrokerAvailable() {
47 		return this.brokerAvailable;
48 	}
49 
50 	override
51 	string toString() {
52 		return "BrokerAvailabilityEvent[available=" ~ this.brokerAvailable.to!string()
53 			 ~ ", " ~ getSource().toString() ~ "]";
54 	}
55 
56 }