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ActiveMQ example source code file (RemoveInfo.java)

This example ActiveMQ source code file (RemoveInfo.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

basecommand, data_structure_type, data_structure_type, datastructure, datastructure, exception, io, ioexception, removeinfo, removeinfo, response, response, unknown

The ActiveMQ RemoveInfo.java source code

/**
 * 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.command;

import java.io.IOException;

import org.apache.activemq.state.CommandVisitor;

/**
 * Removes a consumer, producer, session or connection.
 * 
 * @openwire:marshaller code="12"
 * 
 */
public class RemoveInfo extends BaseCommand {

    public static final byte DATA_STRUCTURE_TYPE = CommandTypes.REMOVE_INFO;

    protected DataStructure objectId;
    protected long lastDeliveredSequenceId;

    public RemoveInfo() {
    }

    public RemoveInfo(DataStructure objectId) {
        this.objectId = objectId;
    }

    public byte getDataStructureType() {
        return DATA_STRUCTURE_TYPE;
    }

    /**
     * @openwire:property version=1 cache=true
     */
    public DataStructure getObjectId() {
        return objectId;
    }

    public void setObjectId(DataStructure objectId) {
        this.objectId = objectId;
    }

    /**
     * @openwire:property version=5 cache=false
     */
    public long getLastDeliveredSequenceId() {
        return lastDeliveredSequenceId;
    }

    public void setLastDeliveredSequenceId(long lastDeliveredSequenceId) {
        this.lastDeliveredSequenceId = lastDeliveredSequenceId;
    }

    public Response visit(CommandVisitor visitor) throws Exception {
        switch (objectId.getDataStructureType()) {
        case ConnectionId.DATA_STRUCTURE_TYPE:
            return visitor.processRemoveConnection((ConnectionId)objectId, lastDeliveredSequenceId);
        case SessionId.DATA_STRUCTURE_TYPE:
            return visitor.processRemoveSession((SessionId)objectId, lastDeliveredSequenceId);
        case ConsumerId.DATA_STRUCTURE_TYPE:
            return visitor.processRemoveConsumer((ConsumerId)objectId, lastDeliveredSequenceId);
        case ProducerId.DATA_STRUCTURE_TYPE:
            return visitor.processRemoveProducer((ProducerId)objectId);
        default:
            throw new IOException("Unknown remove command type: " + objectId.getDataStructureType());
        }
    }

    /**
     * Returns true if this event is for a removed connection
     */
    public boolean isConnectionRemove() {
        return objectId.getDataStructureType() == ConnectionId.DATA_STRUCTURE_TYPE;
    }

    /**
     * Returns true if this event is for a removed session
     */
    public boolean isSessionRemove() {
        return objectId.getDataStructureType() == SessionId.DATA_STRUCTURE_TYPE;
    }

    /**
     * Returns true if this event is for a removed consumer
     */
    public boolean isConsumerRemove() {
        return objectId.getDataStructureType() == ConsumerId.DATA_STRUCTURE_TYPE;
    }

    /**
     * Returns true if this event is for a removed producer
     */
    public boolean isProducerRemove() {
        return objectId.getDataStructureType() == ProducerId.DATA_STRUCTURE_TYPE;
    }

}

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