Package org.apache.roller.business.runnable

Source Code of org.apache.roller.business.runnable.ResetHitCountsTask

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
*  contributor license agreements.  The ASF 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.  For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/

package org.apache.roller.business.runnable;

import java.util.Date;
import java.util.Properties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.roller.RollerException;
import org.apache.roller.business.RollerFactory;
import org.apache.roller.business.WeblogManager;


/**
* Reset weblog hit counts.
*/
public class ResetHitCountsTask extends RollerTask {
   
    private static Log log = LogFactory.getLog(ResetHitCountsTask.class);
   
    // a String description of when to start this task
    private String startTimeDesc = "startOfDay";
   
    // interval at which the task is run, default is 1 day
    private int interval = 1440;
   
    // lease time given to task lock, default is 30 minutes
    private int leaseTime = 30;
   
   
    public String getName() {
        return "ResetHitCountsTask";
    }
   
    public Date getStartTime(Date currentTime) {
        return getAdjustedTime(currentTime, startTimeDesc);
    }
   
    public int getInterval() {
        return this.interval;
    }
   
    public int getLeaseTime() {
        return this.leaseTime;
    }
   
   
    public void init() throws RollerException {
       
        // get relevant props
        Properties props = this.getTaskProperties();
       
        // extract start time
        String startTimeStr = props.getProperty("startTime");
        if(startTimeStr != null) {
            this.startTimeDesc = startTimeStr;
        }
       
        // extract interval
        String intervalStr = props.getProperty("interval");
        if(intervalStr != null) {
            try {
                this.interval = Integer.parseInt(intervalStr);
            } catch (NumberFormatException ex) {
                log.warn("Invalid interval: "+intervalStr);
            }
        }
       
        // extract lease time
        String leaseTimeStr = props.getProperty("leaseTime");
        if(leaseTimeStr != null) {
            try {
                this.leaseTime = Integer.parseInt(leaseTimeStr);
            } catch (NumberFormatException ex) {
                log.warn("Invalid leaseTime: "+leaseTimeStr);
            }
        }
    }
   
   
    /**
     * Execute the task.
     */
    public void runTask() {
       
        try {
            log.info("task started");
           
            WeblogManager mgr = RollerFactory.getRoller().getWeblogManager();
            mgr.resetAllHitCounts();
            RollerFactory.getRoller().flush();
           
            log.info("task completed");
           
        } catch (RollerException e) {
            log.error("Error while checking for referer turnover", e);
        } catch (Exception ee) {
            log.error("unexpected exception", ee);
        } finally {
            // always release
            RollerFactory.getRoller().release();
        }
       
    }
   
   
    /**
     * Main method so that this task may be run from outside the webapp.
     */
    public static void main(String[] args) throws Exception {
        try {
            TurnoverReferersTask task = new TurnoverReferersTask();
            task.init();
            task.run();
            System.exit(0);
        } catch (RollerException ex) {
            ex.printStackTrace();
            System.exit(-1);
        }
    }
   
}
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