private void addStartedWorkItem(YWorkItem item, boolean inSequence) {
String caseIDStr = item.getCaseID().toString();
String taskID = item.getTaskID();
YSpecificationID specificationID = item.getSpecificationID();
YTask task = _engineClient.getTaskDefinition(specificationID, taskID);
String taskDescription = task.getDecompositionPrototype().getID();
if (null == taskDescription) {
taskDescription = taskID;
}
boolean allowsDynamicInstanceCreation = true;
try {
_engineClient.checkElegibilityToAddInstances(item.getIDString());
} catch (YAWLException e) {
allowsDynamicInstanceCreation = false;
}
_myActiveTasks.addRow(
caseIDStr + taskID,
new Object[] {
caseIDStr,
taskID,
taskDescription,
_formatter.format(item.getEnablementTime()),
_formatter.format(item.getFiringTime()),
_formatter.format(item.getStartTime()),
inSequence ? "Y" : "N",
new Boolean(allowsDynamicInstanceCreation),
item.getDataString(),
getOutputSkeletonXML(caseIDStr, taskID)
});
}
public String getOutputSkeletonXML(String caseID, String taskID) {
YParametersSchema params = _paramsDefinitions.getParamsForTask(taskID);
YWorkItem item = _engineClient.getWorkItem(caseID + ":" + taskID);
YSpecificationID specID = item.getSpecificationID();
YTask task = _engineClient.getTaskDefinition(specID, item.getTaskID());
return Marshaller.getOutputParamsInXML(
params, task.getDecompositionPrototype().getRootDataElementName());
}
private JPanel createTopPanel(YWorkItem item) {
JPanel topPanel = new JPanel(new BorderLayout());
topPanel.setBackground(YAdminGUI._apiColour);
JPanel leftPanel = new JPanel(new BorderLayout());
leftPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
JTextArea explanatoryText = new JTextArea();
explanatoryText.setText(
"The data you submitted for this work item was \n"
+ "validated against a schema (see below). For some reason the\n"
+ "this data did not succeed in passing the constrainst set\n"
+ "inside the schema.\n"
+ "Usage Note: If this is causing problems try using the Web server\n"
+ "version of YAWL, which supports automatic forms generation.\n"
+ "Otherwise you could copy the schema from this page and use it\n "
+ "to create a valid output document using an XML development tool.");
explanatoryText.setEditable(false);
explanatoryText.setFont(new Font("Arial", Font.BOLD, 12));
explanatoryText.setForeground(Color.DARK_GRAY);
explanatoryText.setBackground(YAdminGUI._apiColour);
leftPanel.add(explanatoryText);
topPanel.add(leftPanel, BorderLayout.WEST);
JPanel rightPanel = new JPanel(new GridLayout(4, 2));
rightPanel.setBackground(YAdminGUI._apiColour);
rightPanel.setBorder(
BorderFactory.createCompoundBorder(
BorderFactory.createTitledBorder(
BorderFactory.createEtchedBorder(), "Work Item Details"),
BorderFactory.createEmptyBorder(10, 10, 10, 10)));
YTask task =
YEngine.getInstance().getTaskDefinition(item.getSpecificationID(), item.getTaskID());
String taskName = task.getName();
String[] text = {
item.getSpecificationID().toString(), taskName, item.getIDString(), item.getStartTimeStr()
};
String[] labels = {"Specification ID", "Task Name", "WorkItem ID", "Task Started"};
for (int i = 0; i < text.length; i++) {
String s = text[i];
rightPanel.add(new JLabel(labels[i]));
JTextField t = new JTextField(s);
t.setEditable(false);
rightPanel.add(t);
}
topPanel.add(rightPanel, BorderLayout.CENTER);
return topPanel;
}
private void addFiredWorkItem(YWorkItem workItem, boolean inSequence) {
String caseIDStr = workItem.getCaseID().toString();
String taskID = workItem.getTaskID();
YSpecificationID specificationID = workItem.getSpecificationID();
YTask task = _engineClient.getTaskDefinition(specificationID, taskID);
String taskDescription = task.getDecompositionPrototype().getID();
if (null == taskDescription) {
taskDescription = taskID;
}
_availableWork.addRow(
caseIDStr + taskID,
new Object[] {
caseIDStr,
taskID,
taskDescription,
"Fired",
_formatter.format(workItem.getEnablementTime()),
_formatter.format(workItem.getFiringTime()),
inSequence ? "Y" : "N"
});
}
private void updateSelf() {
boolean inSequence = false;
Set availableWorkItems = _engineClient.getAvailableWorkItems();
for (Iterator iterator = availableWorkItems.iterator(); iterator.hasNext(); ) {
YWorkItem item = (YWorkItem) iterator.next();
if (inSequenceWorkitemIDs.contains(item.getTaskID())) {
inSequence = true;
} else {
inSequence = false;
}
if (item.getStatus().equals(YWorkItemStatus.statusEnabled)) {
addEnabledWorkItem(item, inSequence);
} else if (item.getStatus().equals(YWorkItemStatus.statusFired)) {
addFiredWorkItem(item, inSequence);
}
}
Set allWorkItems = _engineClient.getAllWorkItems();
for (Iterator iterator = allWorkItems.iterator(); iterator.hasNext(); ) {
YWorkItem item = (YWorkItem) iterator.next();
if (inSequenceWorkitemIDs.contains(item.getTaskID())) {
inSequence = true;
} else {
inSequence = false;
}
if (item.getStatus().equals(YWorkItemStatus.statusExecuting)) {
addStartedWorkItem(item, inSequence);
}
if (_paramsDefinitions.getParamsForTask(item.getTaskID()) == null) {
YTask task = _engineClient.getTaskDefinition(item.getSpecificationID(), item.getTaskID());
String paramsAsXML = task.getInformation();
TaskInformation taskInfo = Marshaller.unmarshalTaskInformation(paramsAsXML);
YParametersSchema paramsForTask = taskInfo.getParamSchema();
_paramsDefinitions.setParamsForTask(item.getTaskID(), paramsForTask);
}
}
}
/**
* Innermost method for a reduction rule. Implementation of the abstract method from superclass.
*
* @net YNet to perform reduction
* @element an for consideration. returns a reduced YNet or null if a given net cannot be reduced.
*/
public YNet reduceElement(YNet net, YExternalNetElement nextElement) {
YNet reducedNet = net;
if (nextElement instanceof YCondition) {
YCondition condition = (YCondition) nextElement;
Set postSet = condition.getPostsetElements();
Set preSet = condition.getPresetElements();
// \pre{p} = 1, \post{p} = 1
if (preSet.size() == 1 && postSet.size() == 1) {
YTask t = (YTask) preSet.toArray()[0];
YTask u = (YTask) postSet.toArray()[0];
Set preSetOfu = u.getPresetElements();
Set postSetOfu = u.getPostsetElements();
// t,u and p are not reset
// u does not have reset arcs
Set postSetOft = new HashSet(t.getPostsetElements());
postSetOft.retainAll(postSetOfu);
if (t.getSplitType() == YTask._AND
&& u.getSplitType() == YTask._AND
&& preSetOfu.size() == 1
&& u.getRemoveSet().isEmpty()
&& t.getCancelledBySet().isEmpty()
&& u.getCancelledBySet().isEmpty()
&& condition.getCancelledBySet().isEmpty()
&& (!checkReset(postSetOfu))
&& postSetOft.isEmpty()) {
// set postflows from u to t
Iterator postFlowIter = postSetOfu.iterator();
while (postFlowIter.hasNext()) {
YExternalNetElement next = (YExternalNetElement) postFlowIter.next();
t.addPostset(new YFlow(t, next));
}
// remove condition from postset of t
t.removePostsetFlow(new YFlow(condition, t));
reducedNet.removeNetElement(condition);
reducedNet.removeNetElement(u);
t.addToYawlMappings(condition);
t.addToYawlMappings(condition.getYawlMappings());
t.addToYawlMappings(u);
t.addToYawlMappings(u.getYawlMappings());
return reducedNet;
} // if nested
} // if - size 1
} // endif - condition
return null;
}