/*
* (non-Javadoc)
*
* @see org.apache.oodt.cas.workflow.engine.WorkflowEngine#getWorkflowInstanceMetadata(java.lang.String)
*/
public Metadata getWorkflowInstanceMetadata(String workflowInstId) {
// okay, try and look up that worker thread in our hash map
IterativeWorkflowProcessorThread worker =
(IterativeWorkflowProcessorThread) workerMap.get(workflowInstId);
if (worker == null) {
// try and get the metadata
// from the workflow instance repository (as it was persisted)
try {
WorkflowInstance inst = instRep.getWorkflowInstanceById(workflowInstId);
return inst.getSharedContext();
} catch (InstanceRepositoryException e) {
LOG.log(
Level.FINEST,
"WorkflowEngine: Attempt to get metadata "
+ "for workflow instance id: "
+ workflowInstId
+ ", however, this engine is "
+ "not tracking its execution and the id: ["
+ workflowInstId
+ "] "
+ "was never persisted to "
+ "the instance repository");
e.printStackTrace();
return new Metadata();
}
}
return worker.getWorkflowInstance().getSharedContext();
}
private synchronized void persistWorkflowInstance(WorkflowInstance wInst) throws EngineException {
try {
if (wInst.getId() == null || (wInst.getId() != null && wInst.getId().equals(""))) {
// we have to persist it by adding it
// rather than updating it
instRep.addWorkflowInstance(wInst);
} else {
// persist by update
instRep.updateWorkflowInstance(wInst);
}
} catch (InstanceRepositoryException e) {
e.printStackTrace();
throw new EngineException(e.getMessage());
}
}
@Test
public void testGetWorkflowInstanceMetadata() {
try {
repo.addWorkflowInstance(testWrkInst);
} catch (InstanceRepositoryException e) {
fail(e.getMessage());
}
String testWrkInstId = testWrkInst.getId();
assertNotNull(testWrkInstId);
// get workflow instance from instance id
WorkflowInstance WInst = null;
try {
WInst = repo.getWorkflowInstanceById(testWrkInstId);
} catch (InstanceRepositoryException e) {
fail(e.getMessage());
}
assertNotNull(WInst);
// get Metadata for the workflow instance
Metadata met;
met = WInst.getSharedContext();
assertNotNull(met);
assertNotNull(met.getMap());
assertEquals(2, met.getMap().keySet().size());
assertNotNull(met.getAllMetadata("key1"));
assertEquals(3, met.getAllMetadata("key1").size());
assertNotNull(met.getAllMetadata("key2"));
assertEquals(2, met.getAllMetadata("key2").size());
// check key-values for key1
boolean checkVal1 = false, checkVal2 = false, checkVal3 = false;
for (String val : met.getAllMetadata("key1")) {
if (val.equals("val1")) {
checkVal1 = true;
} else if (val.equals("val2")) {
checkVal2 = true;
} else if (val.equals("val3")) {
checkVal3 = true;
}
}
assert (checkVal1 && checkVal2 && checkVal3);
// check key-values for key2
boolean checkVal4 = false, checkVal5 = false;
for (String val : met.getAllMetadata("key2")) {
if (val.equals("val4")) {
checkVal4 = true;
} else if (val.equals("val5")) {
checkVal5 = true;
}
}
assertTrue(checkVal4 && checkVal5);
}