net.duckling.ddl.service.resource.PageUnlockJobWorker.java Source code

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Here is the source code for net.duckling.ddl.service.resource.PageUnlockJobWorker.java

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/*
 * Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
 * 
 * This file is part of Duckling project.
 *
 * 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 net.duckling.ddl.service.resource;

import java.util.Date;
import java.util.List;

import org.apache.commons.lang.time.DateFormatUtils;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;

import net.duckling.ddl.common.DDLFacade;
import net.duckling.ddl.service.draft.Draft;
import net.duckling.ddl.service.draft.IDraftService;
import net.duckling.ddl.service.jobmaster.JobmasterService;
import net.duckling.ddl.service.resource.impl.PageLockProvider;
import net.duckling.ddl.service.timer.JobTask;

/**
 * @date 2011-7-19
 * @author Clive Lee
 */
public class PageUnlockJobWorker implements JobTask {
    private static final Logger LOG = Logger.getLogger(PageUnlockJobWorker.class);
    @Autowired
    private PageLockProvider provider;
    @Autowired
    private JobmasterService jobmaster;

    public void execute(Date scheduledDate) {
        if (jobmaster.take(buildJobName(scheduledDate))) {
            cleanTimeoutLock();
        }
    }

    private void cleanTimeoutLock() {
        List<PageLock> timeoutLocks = provider.getTimeoutLocks();
        for (PageLock lock : timeoutLocks) {
            Draft draft = DDLFacade.getBean(IDraftService.class).getManualSaveDraft(lock.getTid(), lock.getRid(),
                    lock.getUid());
            if (draft != null) {
                try {
                    DDLFacade.getBean(ResourceOperateService.class).publishManualSaveDraft(lock.getMaxVersion(),
                            draft);
                } catch (Exception e) {
                    LOG.error("??", e);
                }
            }
        }
        provider.clearTimeoutLock(timeoutLocks);
    }

    private String buildJobName(Date currentDay) {
        return "pageUnlockJob" + DateFormatUtils.format(currentDay, "yyyy-MM-dd HH:mm");
    }

}