dbschedulerservice.java

jBpm是一个灵活可扩展的工作流管理系统。作为jBpm运行时server输入的业务流程使用简单强大的语言表达并打包在流程档案中

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jbpm.scheduler.db;

import org.jbpm.JbpmContext;
import org.jbpm.JbpmException;
import org.jbpm.db.SchedulerSession;
import org.jbpm.graph.exe.ProcessInstance;
import org.jbpm.graph.exe.Token;
import org.jbpm.scheduler.SchedulerService;
import org.jbpm.scheduler.exe.Timer;

public class DbSchedulerService implements SchedulerService {

  private static final long serialVersionUID = 1L;
  
  SchedulerSession schedulerSession = null;
  
  public DbSchedulerService() {
    this.schedulerSession = JbpmContext.getCurrentJbpmContext().getSchedulerSession();
  }
  
  public void createTimer(Timer timer) {
    // this wont work cause the process instance is not yet saved
    schedulerSession.saveTimer(timer);
  }

  public void cancelTimersByName(String timerName, Token token) {
    schedulerSession.cancelTimersByName(timerName, token);
  }

  public void cancelTimersByProcessInstance(ProcessInstance processInstance) {
    if (processInstance==null) {
      throw new JbpmException("couldn't cancel timers for null process instance");
    }
    schedulerSession.cancelTimersForProcessInstance(processInstance);
  }

  public void suspendTimers(Token token) {
    schedulerSession.suspendTimersForProcessInstance(token);
  }

  public void resumeTimers(Token token) {
    schedulerSession.resumeTimersForProcessInstance(token);
  }

  public void close() {
  }
}