void submitVariables() {
TaskController taskController = (task != null ? task.getTaskController() : null);
// if there is a task controller,
if (taskController != null) {
// the task controller is responsible for copying variables back into the process
taskController.submitParameters(this);
// if there is no task controller
} else if ((token != null) && (token.getProcessInstance() != null)) {
// the default behaviour is that all task-local variables are flushed to the process
if (variableInstances != null) {
ContextInstance contextInstance = token.getProcessInstance().getContextInstance();
Iterator iter = variableInstances.values().iterator();
while (iter.hasNext()) {
VariableInstance variableInstance = (VariableInstance) iter.next();
log.debug(
"flushing variable '"
+ variableInstance.getName()
+ "' from task '"
+ name
+ "' to process variables");
TokenVariableMap tokenVariableMap = contextInstance.getOrCreateTokenVariableMap(token);
variableInstance.setTokenVariableMap(tokenVariableMap);
tokenVariableMap.addVariableInstance(variableInstance);
}
}
}
}
/* (non-Javadoc)
* @see org.jbpm.graph.def.ActionHandler#execute(org.jbpm.graph.exe.ExecutionContext)
*/
@Override
public void execute(ExecutionContext executionContext) throws Exception {
/*
* 通过总经理审批
*/
ContextInstance ci = executionContext.getContextInstance();
String user = (String) ci.getVariable("initiator");
Integer money = (Integer) ci.getVariable("money");
System.out.println(new Date() + " 员工 " + user + " 借款 " + money + " 元, 通过总经理审批");
}
/* (non-Javadoc)
* @see org.jbpm.taskmgmt.def.AssignmentHandler#assign(org.jbpm.taskmgmt.exe.Assignable, org.jbpm.graph.exe.ExecutionContext)
*/
@Override
public void assign(Assignable assignable, ExecutionContext executionContext) throws Exception {
/*
* 将审批任务分配给流程发起人的部门领导
*/
ContextInstance ci = executionContext.getContextInstance();
String user = (String) ci.getVariable("initiator");
String manager = getDepartmentManagerByUser(user);
ci.setVariable("manager", manager);
assignable.setActorId(manager);
}
protected List<TaskInstance> getTasksInstancesBySubmittingUser(
long companyId,
long userId,
Boolean completed,
int start,
int end,
OrderByComparator orderByComparator) {
List<TaskInstance> taskInstances = new ArrayList<TaskInstance>();
try {
Criteria criteria = _session.createCriteria(TaskInstance.class);
criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
if (completed != null) {
if (completed.booleanValue()) {
criteria.add(Restrictions.isNotNull("end"));
} else {
criteria.add(Restrictions.isNull("end"));
}
}
addOrder(criteria, orderByComparator);
for (TaskInstance taskInstance : (List<TaskInstance>) criteria.list()) {
ProcessInstance processInstance = taskInstance.getProcessInstance();
ContextInstance contextInstance = processInstance.getContextInstance();
long taskInstanceUserId =
GetterUtil.getLong((String) contextInstance.getVariable("userId"));
if (userId == taskInstanceUserId) {
taskInstances.add(taskInstance);
}
}
} catch (Exception e) {
throw new JbpmException(e);
}
if ((end != QueryUtil.ALL_POS) && (taskInstances.size() > end)) {
taskInstances = ListUtil.subList(taskInstances, start, end);
}
return taskInstances;
}
public ActionForward insertPayment(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws AppException {
String forwardPage = "";
Inform inf = new Inform();
Workflow workflow = (Workflow) form;
JbpmContext jbpmContext = JbpmUtil.getJbpmContext();
try {
String issueperson = "user1";
// 设置当前用户为user1
jbpmContext.setActorId(issueperson);
ProcessDefinition pd = jbpmContext.getGraphSession().findLatestProcessDefinition("payment");
ProcessInstance processInstance = pd.createProcessInstance();
ContextInstance contextInstance = processInstance.getContextInstance();
//
contextInstance.setVariable("issueperson", issueperson);
// 创建开始节点的TaskInstance
TaskInstance taskInstance = processInstance.getTaskMgmtInstance().createStartTaskInstance();
// 向任务实例当中写入相关变量
taskInstance.setVariable("title", workflow.getTitle());
taskInstance.setVariable("moneyCount", workflow.getMoneyCount());
taskInstance.setVariable("remark", workflow.getRemark());
// 结束任务实例，token进入部门经理审批
taskInstance.end();
inf.setMessage("报销申请提交成功");
} catch (Exception e) {
e.printStackTrace();
inf.setMessage("异常信息：" + e.getMessage());
} finally {
jbpmContext.close();
}
return forwardInformPage(inf, mapping, request);
}
public Object resolveVariable(String name) throws ELException {
ExecutionContext executionContext = ExecutionContext.currentExecutionContext();
Object value = null;
if ("taskInstance".equals(name)) {
value = executionContext.getTaskInstance();
} else if ("processInstance".equals(name)) {
value = executionContext.getProcessInstance();
} else if ("processDefinition".equals(name)) {
value = executionContext.getProcessDefinition();
} else if ("token".equals(name)) {
value = executionContext.getToken();
} else if ("taskMgmtInstance".equals(name)) {
value = executionContext.getTaskMgmtInstance();
} else if ("contextInstance".equals(name)) {
value = executionContext.getContextInstance();
} else if ((executionContext.getTaskInstance() != null)
&& (executionContext.getTaskInstance().hasVariableLocally(name))) {
value = executionContext.getTaskInstance().getVariable(name);
} else {
ContextInstance contextInstance = executionContext.getContextInstance();
TaskMgmtInstance taskMgmtInstance = executionContext.getTaskMgmtInstance();
Token token = executionContext.getToken();
if ((contextInstance != null) && (contextInstance.hasVariable(name))) {
value = contextInstance.getVariable(name, token);
} else if ((contextInstance != null) && (contextInstance.hasTransientVariable(name))) {
value = contextInstance.getTransientVariable(name);
} else if ((taskMgmtInstance != null)
&& (taskMgmtInstance.getSwimlaneInstances() != null)
&& (taskMgmtInstance.getSwimlaneInstances().containsKey(name))) {
SwimlaneInstance swimlaneInstance = taskMgmtInstance.getSwimlaneInstance(name);
value = (swimlaneInstance != null ? swimlaneInstance.getActorId() : null);
} else if ((contextInstance != null) && (contextInstance.hasTransientVariable(name))) {
value = contextInstance.getTransientVariable(name);
} else if (JbpmConfiguration.Configs.hasObject(name)) {
value = JbpmConfiguration.Configs.getObject(name);
}
}
return value;
}
protected VariableContainer getParentVariableContainer() {
ContextInstance contextInstance = getContextInstance();
return (contextInstance != null ? contextInstance.getOrCreateTokenVariableMap(token) : null);
}
/**
* extract the list of information from the process variables and make them available locally.
* Note that if no task instance variables are specified, the full process variables scope will be
* visible (that means that the user did not specify a special task instance scope).
*/
public void initializeVariables(TaskInstance taskInstance) {
ClassLoader surroundingClassLoader = Thread.currentThread().getContextClassLoader();
try {
// set context class loader correctly for delegation class
// (https://jira.jboss.org/jira/browse/JBPM-1448)
Thread.currentThread()
.setContextClassLoader(
JbpmConfiguration.getProcessClassLoader(
taskInstance.getTask().getProcessDefinition()));
if (taskControllerDelegation != null) {
TaskControllerHandler taskControllerHandler =
(TaskControllerHandler) taskControllerDelegation.instantiate();
ProcessInstance processInstance = taskInstance.getTaskMgmtInstance().getProcessInstance();
ContextInstance contextInstance =
(processInstance != null ? processInstance.getContextInstance() : null);
Token token = taskInstance.getToken();
if (UserCodeInterceptorConfig.userCodeInterceptor != null) {
UserCodeInterceptorConfig.userCodeInterceptor.executeTaskControllerInitialization(
taskControllerHandler, taskInstance, contextInstance, token);
} else {
taskControllerHandler.initializeTaskVariables(taskInstance, contextInstance, token);
}
} else {
Token token = taskInstance.getToken();
ProcessInstance processInstance = token.getProcessInstance();
ContextInstance contextInstance = processInstance.getContextInstance();
if (variableAccesses != null) {
Iterator iter = variableAccesses.iterator();
while (iter.hasNext()) {
VariableAccess variableAccess = (VariableAccess) iter.next();
String mappedName = variableAccess.getMappedName();
if (variableAccess.isReadable()) {
String variableName = variableAccess.getVariableName();
Object value = contextInstance.getVariable(variableName, token);
log.debug(
"creating task instance variable '"
+ mappedName
+ "' from process variable '"
+ variableName
+ "', value '"
+ value
+ "'");
taskInstance.setVariableLocally(mappedName, value);
} else {
log.debug(
"creating task instance local variable '"
+ mappedName
+ "'. initializing with null value.");
taskInstance.setVariableLocally(mappedName, null);
}
}
}
}
} finally {
Thread.currentThread().setContextClassLoader(surroundingClassLoader);
}
}
/** update the process variables from the the task-instance variables. */
public void submitParameters(TaskInstance taskInstance) {
ClassLoader surroundingClassLoader = Thread.currentThread().getContextClassLoader();
try {
// set context class loader correctly for delegation class
// (https://jira.jboss.org/jira/browse/JBPM-1448)
Thread.currentThread()
.setContextClassLoader(
JbpmConfiguration.getProcessClassLoader(
taskInstance.getTask().getProcessDefinition()));
if (taskControllerDelegation != null) {
TaskControllerHandler taskControllerHandler =
(TaskControllerHandler) taskControllerDelegation.instantiate();
ProcessInstance processInstance = taskInstance.getTaskMgmtInstance().getProcessInstance();
ContextInstance contextInstance =
(processInstance != null ? processInstance.getContextInstance() : null);
Token token = taskInstance.getToken();
if (UserCodeInterceptorConfig.userCodeInterceptor != null) {
UserCodeInterceptorConfig.userCodeInterceptor.executeTaskControllerSubmission(
taskControllerHandler, taskInstance, contextInstance, token);
} else {
taskControllerHandler.submitTaskVariables(taskInstance, contextInstance, token);
}
} else {
Token token = taskInstance.getToken();
ProcessInstance processInstance = token.getProcessInstance();
ContextInstance contextInstance = processInstance.getContextInstance();
if (variableAccesses != null) {
String missingTaskVariables = null;
Iterator iter = variableAccesses.iterator();
while (iter.hasNext()) {
VariableAccess variableAccess = (VariableAccess) iter.next();
String mappedName = variableAccess.getMappedName();
// first check if the required variableInstances are present
if ((variableAccess.isRequired()) && (!taskInstance.hasVariableLocally(mappedName))) {
if (missingTaskVariables == null) {
missingTaskVariables = mappedName;
} else {
missingTaskVariables += ", " + mappedName;
}
}
}
// if there are missing, required parameters, throw an
// IllegalArgumentException
if (missingTaskVariables != null) {
throw new IllegalArgumentException("missing task variables: " + missingTaskVariables);
}
iter = variableAccesses.iterator();
while (iter.hasNext()) {
VariableAccess variableAccess = (VariableAccess) iter.next();
String mappedName = variableAccess.getMappedName();
String variableName = variableAccess.getVariableName();
if (variableAccess.isWritable()) {
Object value = taskInstance.getVariable(mappedName);
if (value != null) {
log.debug(
"submitting task variable '"
+ mappedName
+ "' to process variable '"
+ variableName
+ "', value '"
+ value
+ "'");
contextInstance.setVariable(variableName, value, token);
}
}
}
}
}
} finally {
Thread.currentThread().setContextClassLoader(surroundingClassLoader);
}
}
public void testTimerInCombinationWithAsyncNode() throws Throwable {
ProcessDefinition subDefinition =
ProcessDefinition.parseXmlString(
"<process-definition name='sub'>"
+ " <start-state name='start'>"
+ " <transition to='decision'/>"
+ " </start-state>"
+ " <decision name='decision'>"
+ " <handler class='org.jbpm.scenarios.AsyncTimerAndSubProcessDbTest$ToTimedDecisionHandler' />"
+ " <transition name='default' to='task' />"
+ " </decision>"
+ " <task-node name='task'>"
+ " <task name='do stuff'>"
+ " <controller>"
+ " <variable name='a' access='read' />"
+ " </controller>"
+ " <assignment actor-id='victim' />"
+ " </task>"
+ " <transition to='end'/>"
+ " </task-node>"
+ " <end-state name='end' />"
+ "</process-definition>");
jbpmContext.deployProcessDefinition(subDefinition);
newTransaction();
ProcessDefinition superDefinition =
ProcessDefinition.parseXmlString(
"<process-definition name='super'>"
+ " <start-state name='start'>"
+ " <transition to='decision'/>"
+ " </start-state>"
+ " <decision name='decision'>"
+ " <handler class='org.jbpm.scenarios.AsyncTimerAndSubProcessDbTest$ToTimedDecisionHandler' />"
+ " <transition name='default' to='timed' />"
+ " </decision>"
+ " <state name='timed'>"
+ " <timer name='reminder' "
+ " duedate='0 seconds' "
+ " transition='timer fires' />"
+ " <transition name='timer fires' to='async'/>"
+ " <transition name='normal continuation' to='end'/>"
+ " </state>"
+ " <node name='async' async='true'>"
+ " <transition to='subprocess'/>"
+ " </node>"
+ " <process-state name='subprocess'>"
+ " <sub-process name='sub' />"
+ " <variable name='a'/>"
+ " <variable name='b'/>"
+ " <transition to='decision' />"
+ " </process-state>"
+ " <end-state name='end' />"
+ "</process-definition>");
jbpmContext.deployProcessDefinition(superDefinition);
newTransaction();
ProcessInstance superInstance = jbpmContext.newProcessInstanceForUpdate("super");
ContextInstance superContext = superInstance.getContextInstance();
superContext.setVariable("a", "value a");
superContext.setVariable("b", "value b");
superInstance.signal();
processJobs(5000);
superInstance = jbpmContext.loadProcessInstance(superInstance.getId());
assertEquals("subprocess", superInstance.getRootToken().getNode().getName());
List taskInstances = taskMgmtSession.findTaskInstances("victim");
assertEquals(1, taskInstances.size());
TaskInstance taskInstance = (TaskInstance) taskInstances.get(0);
taskInstance.setVariable("a", "value a updated");
taskInstance.setVariable("b", "value b updated");
taskInstance.end();
jbpmContext.save(taskInstance);
long taskInstanceId = taskInstance.getId();
long tokenId = taskInstance.getToken().getId();
newTransaction();
taskInstance = jbpmContext.loadTaskInstance(taskInstanceId);
assertEquals("value a updated", taskInstance.getVariable("a"));
assertEquals("value b updated", taskInstance.getVariable("b"));
Token token = jbpmContext.loadToken(tokenId);
ContextInstance subContextInstance = token.getProcessInstance().getContextInstance();
assertEquals("value a", subContextInstance.getVariable("a"));
assertEquals("value b updated", subContextInstance.getVariable("b"));
}
