/**
* Copyright 2007-2008 非也
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation。
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses. *
*/
package org.fireflow.engine.impl;
// Generated Feb 23, 2008 12:04:21 AM by Hibernate Tools 3.2.0.b9
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.fireflow.engine.EngineException;
import org.fireflow.engine.IProcessInstance;
import org.fireflow.engine.IRuntimeContextAware;
import org.fireflow.engine.ITaskInstance;
import org.fireflow.engine.IWorkItem;
import org.fireflow.engine.IWorkflowSession;
import org.fireflow.engine.IWorkflowSessionAware;
import org.fireflow.engine.RuntimeContext;
import org.fireflow.engine.definition.IDefinitionService;
import org.fireflow.engine.definition.WorkflowDefinition;
import org.fireflow.engine.persistence.IPersistenceService;
import org.fireflow.engine.taskinstance.DynamicAssignmentHandler;
import org.fireflow.engine.taskinstance.IAssignable;
import org.fireflow.engine.taskinstance.ITaskInstanceManager;
import org.fireflow.kernel.IActivityInstance;
import org.fireflow.kernel.KernelException;
import org.fireflow.model.Task;
import org.fireflow.model.WorkflowProcess;
import org.fireflow.model.net.Activity;
/**
* TaskInstance generated by hbm2java
*/
@SuppressWarnings("serial")
public class TaskInstance implements ITaskInstance, IAssignable, IRuntimeContextAware, IWorkflowSessionAware, java.io.Serializable {
private String id = null;
private String taskId = null;
private String activityId = null;
private String name = null;
private String displayName = null;
private Integer state = null;
private Boolean suspended = null;
private Date createdTime = null;
private Date startedTime = null;
private Date expiredTime = null;
private Date endTime = null;
private String assignmentStrategy = null;
private String processInstanceId = null;
private String processId = null;
private Integer version = null;
private String taskType = null;
private String targetActivityId = null;
private String fromActivityId = null;
private Integer stepNumber = null;
private Boolean canBeWithdrawn = true;
protected transient RuntimeContext rtCtx = null;
protected transient IWorkflowSession workflowSession = null;
private transient IProcessInstance processInsatance = null;
public void setRuntimeContext(RuntimeContext ctx) {
this.rtCtx = ctx;
}
public RuntimeContext getRuntimeContext() {
return this.rtCtx;
}
public String getTaskType() {
return taskType;
}
public void setTaskType(String taskType) {
this.taskType = taskType;
}
public TaskInstance() {
this.state = ITaskInstance.INITIALIZED;
this.suspended = false;
}
public TaskInstance(ProcessInstance workflowProcessInsatnce) {
this.state = ITaskInstance.INITIALIZED;
this.suspended = false;
this.processInsatance = workflowProcessInsatnce;
}
public String getId() {
return this.id;
}
public void setId(String id) {
this.id = id;
}
public String getTaskId() {
return this.taskId;
}
public void setTaskId(String taskId) {
this.taskId = taskId;
}
public String getActivityId() {
return this.activityId;
}
public void setActivityId(String activityId) {
this.activityId = activityId;
}
public String getName() {
return this.name;
}
public void setName(String name) {
this.name = name;
}
public String getDisplayName() {
return this.displayName;
}
public void setDisplayName(String label) {
this.displayName = label;
}
public Integer getState() {
return this.state;
}
public void setState(Integer state) {
this.state = state;
}
public Date getCreatedTime() {
return this.createdTime;
}
public void setCreatedTime(Date createdTime) {
this.createdTime = createdTime;
}
public Date getStartedTime() {
return this.startedTime;
}
public void setStartedTime(Date startedTime) {
this.startedTime = startedTime;
}
public Date getExpiredTime() {
return this.expiredTime;
}
public void setExpiredTime(Date expiredTime) {
this.expiredTime = expiredTime;
}
public Date getEndTime() {
return this.endTime;
}
public void setEndTime(Date endTime) {
this.endTime = endTime;
}
public String getAssignmentStrategy() {
return assignmentStrategy;
}
public void setAssignmentStrategy(String completionStrategy) {
this.assignmentStrategy = completionStrategy;
}
public Boolean isSuspended() {
return suspended;
}
public Boolean getSuspended(){
return suspended;
}
public void setSuspended(Boolean suspended) {
this.suspended = suspended;
}
/* (non-Javadoc)
* @see org.fireflow.engine.ITaskInstance#getAliveProcessInstance()
*/
public IProcessInstance getAliveProcessInstance() {
if (this.processInsatance==null){
if (this.rtCtx!=null){
IPersistenceService persistenceService = rtCtx.getPersistenceService();
this.processInsatance = persistenceService.findAliveProcessInstanceById(this.processInstanceId);
}
}
if (this.processInsatance != null) {
if (this.workflowSession!=null){
((IWorkflowSessionAware) this.processInsatance).setCurrentWorkflowSession(this.workflowSession);
}
if (this.rtCtx!=null){
((IRuntimeContextAware) this.processInsatance).setRuntimeContext(this.rtCtx);
}
}
return this.processInsatance;
}
/* (non-Javadoc)
* @see org.fireflow.engine.taskinstance.IAssignable#assignToActor(java.lang.String)
*/
public IWorkItem assignToActor(String id) throws EngineException, KernelException {
ITaskInstanceManager taskInstanceMgr = this.rtCtx.getTaskInstanceManager();
WorkItem wi = taskInstanceMgr.createWorkItem(this.workflowSession,this.getAliveProcessInstance(),this, id);
return wi;
}
/* (non-Javadoc)
* @see org.fireflow.engine.taskinstance.IAssignable#assignToActors(java.util.List)
*/
public List<IWorkItem> assignToActors(List<String> ids) throws EngineException, KernelException {
//task应该有一个标志(asignToEveryone)，表明asign的规则 (?)
List<IWorkItem> workItemList = new ArrayList<IWorkItem>();
for (int i = 0; ids != null && i < ids.size(); i++) {
ITaskInstanceManager taskInstanceMgr = this.rtCtx.getTaskInstanceManager();
WorkItem wi = taskInstanceMgr.createWorkItem(this.workflowSession,this.getAliveProcessInstance(),this, ids.get(i));
wi.setCurrentWorkflowSession(workflowSession);
workItemList.add(wi);
}
return workItemList;
}
/* (non-Javadoc)
* @see org.fireflow.engine.ITaskInstance#getTask()
*/
public Task getTask() throws EngineException {
if (rtCtx==null)System.out.println("====Inside taskInstance rtCtx is null");
IDefinitionService definitionService = rtCtx.getDefinitionService();
if (definitionService==null)System.out.println("====Inside taskInstance definitionService is null");
WorkflowDefinition workflowDef = definitionService.getWorkflowDefinitionByProcessIdAndVersionNumber(this.getProcessId(), this.getVersion());
if (workflowDef == null) {
return null;
}
return (Task) workflowDef.getWorkflowProcess().findWFElementById(this.getTaskId());
}
/* (non-Javadoc)
* @see org.fireflow.engine.ITaskInstance#getActivity()
*/
public Activity getActivity() throws EngineException {
WorkflowDefinition workflowDef = rtCtx.getDefinitionService().getWorkflowDefinitionByProcessIdAndVersionNumber(this.getProcessId(), this.getVersion());
if (workflowDef == null) {
return null;
}
return (Activity) workflowDef.getWorkflowProcess().findWFElementById(this.getActivityId());
}
/* (non-Javadoc)
* @see org.fireflow.engine.ITaskInstance#getWorkflowProcess()
*/
public WorkflowProcess getWorkflowProcess() throws EngineException {
WorkflowDefinition workflowDef = rtCtx.getDefinitionService().getWorkflowDefinitionByProcessIdAndVersionNumber(this.getProcessId(), this.getVersion());
if (workflowDef == null) {
return null;
}
return workflowDef.getWorkflowProcess();
}
/**
*
* @throws EngineException
* @throws KernelException
*/
public final void start() throws EngineException, KernelException {
ITaskInstanceManager taskInstanceMgr = this.rtCtx.getTaskInstanceManager();
taskInstanceMgr.startTaskInstance(workflowSession, this.getAliveProcessInstance(), this);
// taskInstanceMgr.startTaskInstance(this);
}
/**
*
* @param targetActivityInstance
* @throws EngineException
* @throws KernelException
*/
public void complete(IActivityInstance targetActivityInstance) throws EngineException, KernelException {
ITaskInstanceManager taskInstanceMgr = this.rtCtx.getTaskInstanceManager();
taskInstanceMgr.completeTaskInstance(workflowSession, this.getAliveProcessInstance(), this, targetActivityInstance);
// taskInstanceMgr.completeTaskInstance(this, targetActivityInstance);
}
public IWorkflowSession getCurrentWorkflowSession() {
return this.workflowSession;
}
public void setCurrentWorkflowSession(IWorkflowSession session) {
this.workflowSession = session;
}
public String getProcessInstanceId() {
return this.processInstanceId;
}
public void setProcessInstanceId(String s) {
this.processInstanceId = s;
}
public String getProcessId() {
return this.processId;
}
public void setProcessId(String s) {
this.processId = s;
}
public Integer getVersion() {
return this.version;
}
public void setVersion(Integer v) {
this.version = v;
}
public String getTargetActivityId() {
return this.targetActivityId;
}
public void setTargetActivityId(String s) {
this.targetActivityId = s;
}
public Integer getStepNumber(){
return this.stepNumber;
}
public void setStepNumber(Integer i){
this.stepNumber = i;
}
public Boolean getCanBeWithdrawn() {
return canBeWithdrawn;
}
public void setCanBeWithdrawn(Boolean canBeWithdrawn) {
this.canBeWithdrawn = canBeWithdrawn;
}
public String getFromActivityId() {
return fromActivityId;
}
public void setFromActivityId(String fromActivityId) {
this.fromActivityId = fromActivityId;
}
/* (non-Javadoc)
* @see org.fireflow.engine.ITaskInstance#suspend()
*/
public void suspend() throws EngineException {
if (this.state==ITaskInstance.COMPLETED || this.state==ITaskInstance.CANCELED){
throw new EngineException(this.getAliveProcessInstance(),this.getTask(),"The task instance can not be suspended,the state of this task instance is "+this.state);
}
if (this.isSuspended()){
return;
}
this.setSuspended(Boolean.TRUE);
IPersistenceService persistenceService = this.rtCtx.getPersistenceService();
persistenceService.saveOrUpdateTaskInstance(this);
}
/* (non-Javadoc)
* @see org.fireflow.engine.ITaskInstance#restore()
*/
public void restore() throws EngineException {
if (this.state==ITaskInstance.COMPLETED || this.state==ITaskInstance.CANCELED){
throw new EngineException(this.getAliveProcessInstance(),this.getTask(),"The task instance can not be restored,the state of this task instance is "+this.state);
}
if (!this.isSuspended()){
return;
}
this.setSuspended(Boolean.FALSE);
IPersistenceService persistenceService = this.rtCtx.getPersistenceService();
persistenceService.saveOrUpdateTaskInstance(this);
}
/* (non-Javadoc)
* @see org.fireflow.engine.ITaskInstance#abort()
*/
public void abort() throws EngineException, KernelException {
abort(null);
}
/* (non-Javadoc)
* @see org.fireflow.engine.ITaskInstance#abort(java.lang.String)
*/
public void abort(String targetActivityId)
throws EngineException, KernelException {
abort(targetActivityId,null);
}
/* (non-Javadoc)
* @see org.fireflow.engine.ITaskInstance#abort(java.lang.String, org.fireflow.engine.taskinstance.DynamicAssignmentHandler)
*/
public void abort(String targetActivityId,
DynamicAssignmentHandler dynamicAssignmentHandler)
throws EngineException, KernelException {
if (this.workflowSession==null){
new EngineException(this.getProcessInstanceId(),
this.getWorkflowProcess(),this.getTaskId(),
"The current workflow session is null.");
}
if (this.rtCtx==null){
new EngineException(this.getProcessInstanceId(),
this.getWorkflowProcess(),this.getTaskId(),
"The current runtime context is null.");
}
if ((this.getState().intValue() == ITaskInstance.COMPLETED ) ||
(this.getState().intValue()==ITaskInstance.CANCELED)) {
throw new EngineException(this.getProcessInstanceId(), this.getWorkflowProcess(),
this.getTaskId(),
"Abort task instance failed . The state of the task instance [id=" + this.getId() + "] is " + this.getState());
}
if (dynamicAssignmentHandler!=null){
this.workflowSession.setDynamicAssignmentHandler(dynamicAssignmentHandler);
}
ITaskInstanceManager taskInstanceMgr = this.rtCtx.getTaskInstanceManager();
taskInstanceMgr.abortTaskInstance(this.workflowSession, this.getAliveProcessInstance(), this, targetActivityId);
}
/* (non-Javadoc)
* @see org.fireflow.engine.ITaskInstance#abortEx(java.lang.String, org.fireflow.engine.taskinstance.DynamicAssignmentHandler)
*/
public void abortEx(String targetActivityId,DynamicAssignmentHandler dynamicAssignmentHandler) throws EngineException,KernelException{
if (this.workflowSession==null){
new EngineException(this.getProcessInstanceId(),
this.getWorkflowProcess(),this.getTaskId(),
"The current workflow session is null.");
}
if (this.rtCtx==null){
new EngineException(this.getProcessInstanceId(),
this.getWorkflowProcess(),this.getTaskId(),
"The current runtime context is null.");
}
if ((this.getState().intValue() == ITaskInstance.COMPLETED ) ||
(this.getState().intValue()==ITaskInstance.CANCELED)) {
throw new EngineException(this.getProcessInstanceId(), this.getWorkflowProcess(),
this.getTaskId(),
"Abort task instance failed . The state of the task instance [id=" + this.getId() + "] is " + this.getState());
}
if (dynamicAssignmentHandler!=null){
this.workflowSession.setDynamicAssignmentHandler(dynamicAssignmentHandler);
}
ITaskInstanceManager taskInstanceMgr = this.rtCtx.getTaskInstanceManager();
taskInstanceMgr.abortTaskInstanceEx(this.workflowSession, this.getAliveProcessInstance(), this, targetActivityId);
}
}