HumanTaskCleanupSchedulerServiceComponent.java

/*
*  Copyright (c) 2005-2010, 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.wso2.carbon.humantask.cleanup.scheduler.internal;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.osgi.service.component.ComponentContext;
import org.wso2.carbon.humantask.cleanup.scheduler.util.TaskCleanupSchedulerUtil;
import org.wso2.carbon.humantask.core.HumanTaskEngineService;
import org.wso2.carbon.humantask.core.HumanTaskServer;
import org.wso2.carbon.ntask.core.service.TaskService;

/**
 * @scr.component name="org.wso2.carbon.humantask.HumanTaskCleanupSchedulerServiceComponent" immediate="true"
 * @scr.reference name="humantask.engine"
 * interface="org.wso2.carbon.humantask.core.HumanTaskEngineService"
 * cardinality="1..1" policy="dynamic" bind="setHumanTaskServer" unbind="unsetHumanTaskServer"
 * @scr.reference name="ntask.component" interface="org.wso2.carbon.ntask.core.service.TaskService"
 * cardinality="1..1" policy="dynamic" bind="setTaskService" unbind="unsetTaskService"
 */

public class HumanTaskCleanupSchedulerServiceComponent {

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



    protected void activate(ComponentContext ctxt) {
        try {
            log.info("Starting HumanTaskCleanupSchedulerServiceComponent");
            TaskCleanupSchedulerUtil.initTaskCleanupJob();
            log.debug("Started HumanTaskCleanupSchedulerServiceComponent");
        } catch (Throwable t) {
            log.error("Failed to activate the HumanTaskCleanupSchedulerServiceComponent", t);
        }
    }

    protected void setHumanTaskServer(HumanTaskEngineService humantaskEngineService) {
        if (log.isDebugEnabled()) {
            log.debug("HumanTaskEngineService bound to the HumanTask Cleanup component");
        }
        HumanTaskCleanupSchedulerContentHolder.getInstance().setHumanTaskServer(humantaskEngineService);
    }

    protected void unsetHumanTaskServer(
            HumanTaskEngineService humantaskEngineService) {
        if (log.isDebugEnabled()) {
            log.debug("HumanTaskServerService unbound from the HumanTask cleanup component");
        }
        HumanTaskCleanupSchedulerContentHolder.getInstance().setHumanTaskServer(null);
    }

    public static HumanTaskServer getHumanTaskServer() {
        return HumanTaskCleanupSchedulerContentHolder.getInstance().getHumanTaskServer();
    }

    protected void setTaskService(TaskService taskService) {
        if (log.isDebugEnabled()) {
            log.debug("Setting the Task Service for Humantask Cleanup component");
        }
        HumanTaskCleanupSchedulerContentHolder.getInstance().setTaskService(taskService);
    }

    protected void unsetTaskService(TaskService taskService) {

        if (log.isDebugEnabled()) {
            log.debug("Unsetting the Task Service for Humantask Cleanup component");
        }
        HumanTaskCleanupSchedulerContentHolder.getInstance().setTaskService(null);
    }

    public static TaskService getTaskService() {
        return HumanTaskCleanupSchedulerContentHolder.getInstance().getTaskService();
    }

}