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    package org.apache.oozie.client.event.message;
019    
020    import java.util.Map;
021    
022    import javax.jms.JMSException;
023    import javax.jms.Message;
024    
025    import org.apache.oozie.client.event.Event;
026    import org.apache.oozie.client.event.Event.MessageType;
027    import org.apache.oozie.client.event.JobEvent.EventStatus;
028    import org.apache.oozie.client.event.jms.JMSHeaderConstants;
029    import org.apache.oozie.AppType;
030    import org.codehaus.jackson.annotate.JsonIgnore;
031    
032    /**
033     * Base class which holds attributes for event message
034     *
035     */
036    public abstract class EventMessage {
037    
038        private AppType appType;
039        private Event.MessageType messageType;
040    
041        /**
042         * Default constructor for constructing event
043         */
044        public EventMessage() {
045            //Required for jackson
046        }
047    
048        /**
049         * Constructs the event message using message type and app type
050         * @param messageType the message type
051         * @param appType the app type
052         */
053        protected EventMessage(MessageType messageType, AppType appType) {
054            this.messageType = messageType;
055            this.appType = appType;
056        }
057    
058        /**
059         * Sets the appType for a event
060         * @param appType
061         */
062        public void setAppType(AppType appType) {
063            this.appType = appType;
064        }
065    
066        /**
067         * Returns the appType for a event
068         * @return the AppType
069         */
070        @JsonIgnore
071        public AppType getAppType() {
072            return appType;
073        }
074    
075        /**
076         * Sets the message type for a event
077         * @param messageType
078         */
079        public void setMessageType(MessageType messageType) {
080            this.messageType = messageType;
081        }
082    
083        /**
084         * Returns the message type for a event
085         * @return the MessageType
086         */
087        @JsonIgnore
088        public MessageType getMessageType() {
089            return messageType;
090        }
091    
092        /**
093         * Set the JMS selector properties for message object
094         * @param message
095         * @throws JMSException
096         */
097        @JsonIgnore
098        public void setProperties(Message message) throws JMSException {
099            setAppType(AppType.valueOf(message.getStringProperty(JMSHeaderConstants.APP_TYPE)));
100            setMessageType(MessageType.valueOf(message.getStringProperty(JMSHeaderConstants.MESSAGE_TYPE)));
101        }
102    
103    }