worklistmanager.java

一个工作流的原型

/*
 * WorkListManager.java
 *
 * Created on 2004年12月24日, 上午11:24
 */

package workflow.xwfbox.worklist;

import workflow.xwfbox.engine.InstanceBinding;

import java.util.Date;
import java.util.Calendar;
import java.util.Vector;
import java.util.Iterator;

/**
 *
 * @author  Administrator
 */
public class WorkListManager {
    String inxml;
    String mp = "file:///D:/xwfbox-v3/source/xml/mapping/WorkListMapping.xml";
    WorkList _WorkList = null;
    /** Creates a new instance of WorkListManager */
    public WorkListManager(String participantId, String worklistPath) {
        inxml = worklistPath + participantId + "WorkList.xml";
        _WorkList = (WorkList)InstanceBinding.getXMLInfo(inxml, mp);
    }

    public void pushWorkItem(String TaskId, String TaskName, String InstanceId) {
        if (_WorkList == null) {
            _WorkList = new WorkList();
        }
        WorkItem wi = new WorkItem();
        wi.setTaskId(TaskId);
        wi.setTaskName(TaskName);
        wi.setInstanceId(InstanceId);
        Calendar rightNow = Calendar.getInstance();
        Date time = rightNow.getTime();
        wi.setArrival(time);
        wi.setState("START");
        _WorkList.getWorkItems().addElement(wi);
        int ret = InstanceBinding.putXMLInfo(_WorkList, inxml, mp);
    }
    
    public Vector getWorkItems() {
        if (_WorkList != null) return _WorkList.getWorkItems();
        else return null;
    }
    
    public WorkItem getWorkItem(String workItemId) {
        Iterator it = _WorkList.getWorkItems().iterator();
        while (it.hasNext()) {
            WorkItem wi = (WorkItem)it.next();
            if (wi.getTaskId().equals(workItemId)) {
                return wi;
            }
        }
        return null;
    }
    
    public void setWorkItemState(String workItemId, String state) {
        WorkItem wi = getWorkItem(workItemId);
        wi.setState(state);
    }
    
    public void setWorkItemFinishTime(String workItemId, Date time) {
        WorkItem wi = getWorkItem(workItemId);
        wi.setFinished(time);
    }
    
    public void update() {
        int ret = InstanceBinding.putXMLInfo(_WorkList, inxml, mp);
    }
}