org.jasig.portlet.ClassifiedsPortlet.service.AdGroomer.java Source code

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Here is the source code for org.jasig.portlet.ClassifiedsPortlet.service.AdGroomer.java

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/**
 * Licensed to Jasig under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Jasig 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.jasig.portlet.ClassifiedsPortlet.service;

import org.jasig.portlet.ClassifiedsPortlet.service.AdService;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class AdGroomer extends Thread {
    private int hourToCheck = 0;
    private int minuteToCheck = 0;
    private int checkInterval = 0; // seconds
    private long maxCheckIntervalMillis = 0L; // 12 hours
    /*
    private int hourToCheck = 11;  
    private int minuteToCheck = 0;
    private int checkInterval = 60;    // seconds
    private long maxCheckIntervalMillis = 43200000L;   // 12 hours
    */

    private boolean bRun;

    public void setHourToCheck(int hourToCheck) {
        this.hourToCheck = hourToCheck;
    }

    public void setMinuteToCheck(int minuteToCheck) {
        this.minuteToCheck = minuteToCheck;
    }

    public void setCheckInterval(int checkInterval) {
        this.checkInterval = checkInterval;
    }

    public void setmaxCheckIntervalMillis(long maxCheckIntervalMillis) {
        this.maxCheckIntervalMillis = maxCheckIntervalMillis;
    }

    @Autowired
    private AdService adService;

    private static Log log = LogFactory.getLog(AdGroomer.class);

    AdGroomer() {
        this.setDaemon(true);
        log.info("Ad groomer starting...");
        bRun = true;
    }

    public void endThread() {
        bRun = false;
        log.info("Ad groomer stopping...");
        this.interrupt();
    }

    @Override
    public void run() {
        Date now;
        Calendar nowCal = new GregorianCalendar();
        long lastCheckTime = System.currentTimeMillis();
        boolean firstCheck = true;

        while (bRun) {
            now = new Date();
            nowCal.setTime(now);

            if (nowCal.get(Calendar.HOUR_OF_DAY) == hourToCheck
                    && nowCal.get(Calendar.MINUTE) <= (minuteToCheck + 1)
                    && (firstCheck || System.currentTimeMillis() > (lastCheckTime + maxCheckIntervalMillis))) {

                log.info("Ad groomer to delete expired ads at " + now.toString());
                adService.deleteExpiredAds();
                lastCheckTime = System.currentTimeMillis();
                firstCheck = false;
            }
            try {
                log.debug("Ad groomer Waiting to see if we should check the time...");
                sleep(checkInterval * 1000);
            } catch (InterruptedException e) {
                break;
            }
        }
    }
}