instancetablemanager.java

一个工作流的原型

/*
 * InstanceTableManager.java
 *
 * Created on 2004年12月29日, 下午10:04
 */

package workflow.xwfbox.instanceTable;

import workflow.xwfbox.engine.InstanceBinding;

import java.util.Vector;
import java.util.Iterator;

/**
 *
 * @author  Administrator
 */
public class InstanceTableManager {
    String InstanceMappingTableBinding = "file:///D:/xwfbox-v3/Source/xml/mapping/InstanceTableMapping.xml";
    String InstanceMappingTable = "D:/xwfbox-v3/Source/xml/instances/InstanceTable.xml";
    InstanceTable _instanceTable = null;
    /** Creates a new instance of InstanceTableManager */
    public InstanceTableManager() {
        _instanceTable = (InstanceTable)InstanceBinding.getXMLInfo(InstanceMappingTable, InstanceMappingTableBinding);
        if (_instanceTable == null) {
            _instanceTable = new InstanceTable();
        }
    }
    
    public InstanceTable getInstanceTable() {
        return _instanceTable;
    }
    
    public void setInstanceTable(InstanceTable instanceTable) {
        _instanceTable = instanceTable;
    }
    
    public void updateInstanceTable() {
        InstanceBinding.putXMLInfo(_instanceTable, InstanceMappingTable, InstanceMappingTableBinding);
    }
    
    public String getInstanceLocation(String instanceId) {
        Vector instanceRecs = _instanceTable.getInstanceRecs();
        Iterator it = instanceRecs.iterator();
        while (it.hasNext()) {
            InstanceRec instanceRec = (InstanceRec)it.next();
            if (instanceRec.getInstanceId().equals(instanceId)) {
                return instanceRec.getInstanceLoc();
            }
        }
        return null;
    }
    
    public String getPackageLocation(String instanceId) {
        Vector instanceRecs = _instanceTable.getInstanceRecs();
        Iterator it = instanceRecs.iterator();
        while (it.hasNext()) {
            InstanceRec instanceRec = (InstanceRec)it.next();
            if (instanceRec.getInstanceId().equals(instanceId)) {
                return instanceRec.getPackageLoc();
            }
        }
        return null;
    }
    
    public String getProcessId(String instanceId) {
        Vector instanceRecs = _instanceTable.getInstanceRecs();
        Iterator it = instanceRecs.iterator();
        while (it.hasNext()) {
            InstanceRec instanceRec = (InstanceRec)it.next();
            if (instanceRec.getInstanceId().equals(instanceId)) {
                return instanceRec.getProcessId();
            }
        }
        return null;
    }
}