| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.activemq.advisory; |
| |
| import java.util.EventObject; |
| |
| import javax.jms.Destination; |
| |
| import org.apache.activemq.command.ProducerId; |
| |
| /** |
| * An event when the number of producers on a given destination changes. |
| * |
| * |
| */ |
| public abstract class ProducerEvent extends EventObject { |
| private static final long serialVersionUID = 2442156576867593780L; |
| private final Destination destination; |
| private final ProducerId producerId; |
| private final int producerCount; |
| |
| public ProducerEvent(ProducerEventSource source, Destination destination, ProducerId producerId, int producerCount) { |
| super(source); |
| this.destination = destination; |
| this.producerId = producerId; |
| this.producerCount = producerCount; |
| } |
| |
| public ProducerEventSource getAdvisor() { |
| return (ProducerEventSource) getSource(); |
| } |
| |
| public Destination getDestination() { |
| return destination; |
| } |
| |
| /** |
| * Returns the current number of producers active at the time this advisory was sent. |
| * |
| */ |
| public int getProducerCount() { |
| return producerCount; |
| } |
| |
| public ProducerId getProducerId() { |
| return producerId; |
| } |
| |
| public abstract boolean isStarted(); |
| } |