/*
* Copyright (c) 2010 Lockheed Martin Corporation
*
* 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 org.eurekastreams.server.action.execution;
import java.io.Serializable;
import java.util.Calendar;
import org.apache.commons.logging.Log;
import org.eurekastreams.commons.actions.TaskHandlerExecutionStrategy;
import org.eurekastreams.commons.actions.context.ActionContext;
import org.eurekastreams.commons.actions.context.TaskHandlerActionContext;
import org.eurekastreams.commons.logging.LogFactory;
import org.eurekastreams.server.persistence.mappers.db.DeleteOldStreamHashTagRecordsDbMapper;
/**
* Execution strategy to delete all stream hashtags older than a configurable time.
*/
public class DeleteOldStreamHashTagsExecution implements TaskHandlerExecutionStrategy<ActionContext>
{
/**
* Logger.
*/
private Log log = LogFactory.make();
/**
* Mapper to delete the old stream hashtags.
*/
private DeleteOldStreamHashTagRecordsDbMapper deleteMapper;
/**
* Number of minutes to keep activity hash tags.
*/
private Integer activityHashTagExpirationInMinutes;
/**
* Constructor.
*
* @param inDeleteMapper
* mapper to delete old stream hashtags
* @param inActivityHashTagExpirationInMinutes
* number of minutes to keep activity hash tags
*/
public DeleteOldStreamHashTagsExecution(final DeleteOldStreamHashTagRecordsDbMapper inDeleteMapper,
final Integer inActivityHashTagExpirationInMinutes)
{
deleteMapper = inDeleteMapper;
activityHashTagExpirationInMinutes = inActivityHashTagExpirationInMinutes;
}
/**
* Delete all StreamHashTags older than the configurable minutes.
*
* @param inActionContext
* not used
* @return true
*/
@Override
public Serializable execute(final TaskHandlerActionContext<ActionContext> inActionContext)
{
log.trace("Deleting StreamHashTag records older than " + activityHashTagExpirationInMinutes + " minutes.");
Calendar cal = Calendar.getInstance();
cal.add(Calendar.MINUTE, -activityHashTagExpirationInMinutes);
int numberOfDeletedRecords = deleteMapper.execute(cal.getTime());
log.trace("Deleted " + numberOfDeletedRecords + " stream hashtag records.");
return true;
}
}