com.dateofrock.aws.simplesqs.JobProducer.java Source code

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Here is the source code for com.dateofrock.aws.simplesqs.JobProducer.java

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/*
 *   Copyright 2012 Takehito Tanabe (dateofrock at gmail dot com)
 *
 *   Licensed 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 com.dateofrock.aws.simplesqs;

import java.util.Date;

import com.amazonaws.services.sqs.AmazonSQS;
import com.amazonaws.services.sqs.model.GetQueueUrlRequest;
import com.amazonaws.services.sqs.model.GetQueueUrlResult;
import com.amazonaws.services.sqs.model.SendMessageRequest;
import com.dateofrock.simpledbmapper.SimpleDBMapper;

/**
 * 
 * @author Takehito Tanabe (dateofrock at gmail dot com)
 */
public class JobProducer {

    protected SimpleDBMapper sdbMapper;
    protected AmazonSQS sqs;
    protected Reflector reflector;

    public JobProducer(SimpleDBMapper sdbMapper, AmazonSQS sqs) {
        super();
        this.sdbMapper = sdbMapper;
        this.sqs = sqs;
        this.reflector = new Reflector();
    }

    public void put(AbstractJobTicket jobTicket) {
        String queueName = this.reflector.findQueueName(jobTicket.getClass());

        try {
            jobTicket.prepare();
        } catch (Exception e) {
            throw new SimpleSQSException(e);
        }

        Date now = new Date();

        if (jobTicket.createdAt == null) {
            jobTicket.createdAt = now;
        }
        jobTicket.updatedAt = now;
        jobTicket.status = Status.WAITING.getValue();
        this.sdbMapper.save(jobTicket);

        GetQueueUrlResult result = this.sqs.getQueueUrl(new GetQueueUrlRequest(queueName));
        String queueUrl = result.getQueueUrl();
        this.sqs.sendMessage(new SendMessageRequest(queueUrl, jobTicket.id));
    }

}