JDBCProducer.java

/**
 * Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. 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.synapse.message.store.impl.jdbc;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.MessageContext;
import org.apache.synapse.SynapseException;
import org.apache.synapse.message.MessageProducer;

/**
 * JDBC Store Producer
 */
public class JDBCProducer implements MessageProducer {

    /**
     * Logger for the class
     */
    private static final Log logger = LogFactory.getLog(JDBCProducer.class.getName());

    /**
     * Store for the producer
     */
    private JDBCMessageStore store;

    /**
     * Id of the producer
     */
    private String producerId;

    /**
     * Initialize producer
     *
     * @param store - JDBC message store
     */
    public JDBCProducer(JDBCMessageStore store) {
        this.store = store;
    }

    /**
     * Add a message to the end of the table. If fetching success return true else false
     *
     * @param synCtx message to insert
     * @return -  success/failure of fetching
     */
    @Override
    public boolean storeMessage(MessageContext synCtx) {
        boolean success = false;
        try {
            success = store.store(synCtx);
            store.enqueued();
        } catch (SynapseException e) {
            logger.error("Error while storing message : " + synCtx.getMessageID(), e);
        }
        return success;
    }

    /**
     * Cleanup the producer
     *
     * @return true Since no producer specific things
     */
    @Override
    public boolean cleanup() {
        return true;
    }

    /**
     * Set producer id
     *
     * @param id ID
     */
    @Override
    public void setId(int id) {
        producerId = "[" + store.getName() + "-P-" + id + "]";
    }

    /**
     * Get producer id
     *
     * @return producerId - Producer identifier
     */
    @Override
    public String getId() {
        if (producerId == null) {
            return "[unknown-producer]";
        }
        return producerId;
    }
}