001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *      http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.apache.oozie.client.event.message;
020
021import java.util.Map;
022
023import javax.jms.JMSException;
024import javax.jms.Message;
025
026import org.apache.oozie.client.event.Event;
027import org.apache.oozie.client.event.Event.MessageType;
028import org.apache.oozie.client.event.JobEvent.EventStatus;
029import org.apache.oozie.client.event.jms.JMSHeaderConstants;
030import org.apache.oozie.AppType;
031import org.codehaus.jackson.annotate.JsonIgnore;
032
033/**
034 * Base class which holds attributes for event message
035 *
036 */
037public abstract class EventMessage {
038
039    private AppType appType;
040    private Event.MessageType messageType;
041
042    /**
043     * Default constructor for constructing event
044     */
045    public EventMessage() {
046        //Required for jackson
047    }
048
049    /**
050     * Constructs the event message using message type and app type
051     * @param messageType the message type
052     * @param appType the app type
053     */
054    protected EventMessage(MessageType messageType, AppType appType) {
055        this.messageType = messageType;
056        this.appType = appType;
057    }
058
059    /**
060     * Sets the appType for a event
061     * @param appType
062     */
063    public void setAppType(AppType appType) {
064        this.appType = appType;
065    }
066
067    /**
068     * Returns the appType for a event
069     * @return the AppType
070     */
071    @JsonIgnore
072    public AppType getAppType() {
073        return appType;
074    }
075
076    /**
077     * Sets the message type for a event
078     * @param messageType
079     */
080    public void setMessageType(MessageType messageType) {
081        this.messageType = messageType;
082    }
083
084    /**
085     * Returns the message type for a event
086     * @return the MessageType
087     */
088    @JsonIgnore
089    public MessageType getMessageType() {
090        return messageType;
091    }
092
093    /**
094     * Set the JMS selector properties for message object
095     * @param message
096     * @throws JMSException
097     */
098    @JsonIgnore
099    public void setProperties(Message message) throws JMSException {
100        setAppType(AppType.valueOf(message.getStringProperty(JMSHeaderConstants.APP_TYPE)));
101        setMessageType(MessageType.valueOf(message.getStringProperty(JMSHeaderConstants.MESSAGE_TYPE)));
102    }
103
104}