/*
* Copyright 2015-2016 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
*
* http://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.integration.ip.tcp.connection;
import org.springframework.integration.ip.event.IpIntegrationEvent;
import org.springframework.util.Assert;
/**
* {@link IpIntegrationEvent} emitted when a server begins listening. Useful
* when the configured port is zero and the operating system chooses the port.
* Also useful to avoid polling the {@code isListening()} if you need to wait
* before starting some other process to connect to the socket.
*
* @author Gary Russell
* @since 4.3
*/
@SuppressWarnings("serial")
public class TcpConnectionServerListeningEvent extends IpIntegrationEvent {
private final int port;
public TcpConnectionServerListeningEvent(TcpServerConnectionFactory connectionFactory, int port) {
super(connectionFactory);
Assert.notNull(connectionFactory, "'connectionFactory' cannot be null");
this.port = port;
}
public int getPort() {
return this.port;
}
}