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);
}
}
}
}
/** Send Token Signal */
public static Token sendTokenSignal(long tokenId, String transitionName)
throws WorkflowException {
log.debug("sendTokenSignal({}, {})", new Object[] {tokenId, transitionName});
JbpmContext jbpmContext = JBPMUtils.getConfig().createJbpmContext();
Token vo = new Token();
try {
org.jbpm.graph.exe.Token t = jbpmContext.getToken(tokenId);
if (transitionName != null && !transitionName.equals("")) {
t.signal(transitionName);
} else {
t.signal();
}
jbpmContext.getSession().flush();
vo = WorkflowUtils.copy(t);
// Avoid recursion
vo.setProcessInstance(WorkflowUtils.copy(t.getProcessInstance()));
} catch (JbpmException e) {
throw new WorkflowException(e.getMessage(), e);
} finally {
jbpmContext.close();
}
log.debug("sendTokenSignal: {}", vo);
return vo;
}
public static ScopeInstance create(Scope scope, Token token) {
EventInstance instance = new EventInstance(scope, token);
// normal processing is initial state
instance.setState(ActiveState.NORMAL_PROCESSING);
token
.getProcessInstance()
.getContextInstance()
.createVariable(Scope.VARIABLE_NAME, instance, token);
return instance;
}
/** Set Token Node */
public static void setTokenNode(long tokenId, String nodeName) throws WorkflowException {
log.debug("setTokenNode({}, {})", new Object[] {tokenId, nodeName});
JbpmContext jbpmContext = JBPMUtils.getConfig().createJbpmContext();
try {
org.jbpm.graph.exe.Token t = jbpmContext.getToken(tokenId);
org.jbpm.graph.def.Node node =
t.getProcessInstance().getProcessDefinition().getNode(nodeName);
t.setNode(node);
jbpmContext.getSession().flush();
} catch (JbpmException e) {
throw new WorkflowException(e.getMessage(), e);
} finally {
jbpmContext.close();
}
log.debug("setTokenNode: void");
}
/** Get Token */
public static Token getToken(long tokenId) throws WorkflowException {
log.debug("getToken({})", tokenId);
JbpmContext jbpmContext = JBPMUtils.getConfig().createJbpmContext();
Token vo = new Token();
try {
org.jbpm.graph.exe.Token t = jbpmContext.getToken(tokenId);
vo = WorkflowUtils.copy(t);
// Avoid recursion
vo.setProcessInstance(WorkflowUtils.copy(t.getProcessInstance()));
} catch (JbpmException e) {
throw new WorkflowException(e.getMessage(), e);
} finally {
jbpmContext.close();
}
log.debug("getToken: " + vo);
return vo;
}
/**
* 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 static void endOneTask(Token token) {
TaskMgmtInstance tmi = token.getProcessInstance().getTaskMgmtInstance();
TaskInstance taskInstance = (TaskInstance) tmi.getUnfinishedTasks(token).iterator().next();
taskInstance.end();
}
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"));
}