001    /*
002     * Copyright 2009 Red Hat, Inc.
003     * Red Hat licenses this file to you under the Apache License, version
004     * 2.0 (the "License"); you may not use this file except in compliance
005     * with the License.  You may obtain a copy of the License at
006     *    http://www.apache.org/licenses/LICENSE-2.0
007     * Unless required by applicable law or agreed to in writing, software
008     * distributed under the License is distributed on an "AS IS" BASIS,
009     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
010     * implied.  See the License for the specific language governing
011     * permissions and limitations under the License.
012     */
013    
014    package org.hornetq.api.core.management;
015    
016    /**
017     * A HornetQComponentControl is used to manage the life cycle of a HornetQ component.
018     *
019     * @author <a href="mailto:jmesnil@redhat.com">Jeff Mesnil</a>
020     */
021    public interface HornetQComponentControl
022    {
023       /**
024        * Returns {@code true} if this component is started, {@code false} else.
025        */
026       boolean isStarted();
027    
028       /**
029        * Starts this component.
030        */
031       void start() throws Exception;
032    
033       /**
034        * Stops this component.
035        */
036       void stop() throws Exception;
037    }