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package com.vci.server.workflow.server.service;
 
import java.util.Set;
 
import org.jbpm.api.task.Task;
 
import com.vci.corba.common.VCIError;
import com.vci.server.base.persistence.dao.HibernateSessionFactory;
import com.vci.server.workflow.common.resouce.WorkflowProperties;
import com.vci.server.workflow.server.JbpmEngine;
import com.vci.server.workflow.server.interfaces.PLMWorkItemInterface;
 
public class WorkFlowService {
 
    private static WorkFlowService instance = null;
    private PLMWorkItemInterface pwService = null;
 
    private WorkFlowService() {
 
    }
 
    public static WorkFlowService getInstance() {
        if (instance == null) {
            instance = new WorkFlowService();
        }
 
        return instance;
    }
 
    /**
     * 获取当前执行task所在流程实例关联的对象
     * 
     * @param task
     * @return
     */
    public Object getWorkFlowRelatedObjs(Task task) {
        Object objs = JbpmEngine.getProcessEngine().getTaskService().getVariable(task.getId(), "objId");
 
        return objs;
    }
 
    private String getWorkitemHandlerClassName() {
        String workitemClass = WorkflowProperties.getStringProperty("workflow.plmworkitem");
 
        return workitemClass;
    }
 
    public void saveForComplete_v1(String[] userNames, String[] objectOids, Task task, String btmType, String btmDesc,
            String processName, String nextTaskId, int m, String[] objectProperty, String[][] objectPropertyValues)
            throws VCIError, InstantiationException, IllegalAccessException, ClassNotFoundException {
        Object obj = JbpmEngine.getProcessEngine().getTaskService().getVariable(task.getId(), "objectPropertyValues");
        if (obj != null && obj instanceof String[][]) {
            objectPropertyValues = (String[][]) obj;
        }
 
        String userName = userNames[m];
        getWorkItemService().saveForComplete_v1(userName, objectOids, task, btmType, btmDesc, processName, nextTaskId,
                HibernateSessionFactory.getVciSessionInfo().userName, objectProperty, objectPropertyValues);
    }
 
    public void saveForCompleteAndSaveOpinion_v1(String[] userNames, String[] objectOids, Task task, String btmType,
            String btmDesc, String processName, String nextTaskId, int m, String[] objectProperty,
            String[][] allObjectPropertyValues, String outcome, String approvalNote, Set<String> selecedOidSet)
            throws VCIError, InstantiationException, IllegalAccessException, ClassNotFoundException {
        String userName = userNames[m];
        getWorkItemService().saveForCompleteAndSaveOpinion_v1(userName, objectOids, task, btmType, btmDesc, processName,
                nextTaskId, HibernateSessionFactory.getVciSessionInfo().userName, objectProperty,
                allObjectPropertyValues, outcome, approvalNote, selecedOidSet);
    }
 
    private PLMWorkItemInterface getWorkItemService() throws VCIError {
        if (pwService != null) {
            return pwService;
        }
 
        try {
            pwService = (PLMWorkItemInterface) (Class.forName(getWorkitemHandlerClassName()).newInstance());
        } catch (Throwable e) {
            e.printStackTrace();
            throw new VCIError("", new String[] { e.getMessage() });
        }
 
        return pwService;
    }
}