Examples of de.danet.an.workflow.api.ProcessMgr

de.danet.an.workflow.api.ProcessMgr
Interface ProcessMgr adds some functions to the {@link WfProcessMgr OMG process manager}.
The meta information returned by contextSignature and resultSignature defined in WfProcessMgr uses Java classes to represents primitive types, as specified for {@link de.danet.an.workflow.omgcore.ProcessDataInfo ProcessDataInfo}. In addition the type of a data item can be indicated as

org.w3c.dom.Element.class

denotes XML with unknown structure. Values of this type are represented as instances of SAXEventBuffer.

an instance of SAXEventBuffer

denotes XML with the known structure represented by the XML in the event buffer. Values of this type are represented as instances of SAXEventBuffer.

an instance of ExternalReference

denotes the type as specified in the process definition. If a Java type is specified as fully qualified Java class name in the localtion attribute, "java:" is prepended as protocol and values are of the specified type. Else values of this type are represented as instances of SAXEventBuffer.

    /**
     * Test initial values of process data.
     * @exception Exception if an error occurs
     */
    public void testData() throws Exception {
  ProcessMgr mgr = defDir.processMgr("SystemTest_full", "full");
  WfProcess proc = mgr.createProcess(requester);
  ProcessData data = proc.processContext();
  assertTrue(((Boolean)data.get("packageBooleanData")).booleanValue());
  assertTrue(((String)data.get("testString")).equals("WfMOpen"));
  assertTrue((((String)data.get("packageStringData")) == null));
  assertTrue(((Long)data.get("packageIntegerData")).intValue() == 3);


  // Test access to context info via activity
  assertTrue(proc.steps().size() > 0);
  WfActivity act = (WfActivity)proc.steps().toArray()[0];
  data = act.processContext();
  assertTrue(((Boolean)data.get("packageBooleanData")).booleanValue());
  assertTrue(((String)data.get("testString")).equals("WfMOpen"));
  assertTrue((((String)data.get("packageStringData")) == null) 
       || (((String)data.get("packageStringData")).equals("")));
  assertTrue(((Long)data.get("packageIntegerData")).intValue() == 3);  


  procDir.removeProcess(proc);


  mgr = defDir.processMgr("SystemTest_minimal", "minimal");
  proc = mgr.createProcess(requester);
  assertTrue(proc.processContext().isEmpty());
  procDir.removeProcess(proc);
    }

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    /**
     * Test modification of process data.
     * @exception Exception if an error occurs
     */
    public void modifyData() throws Exception {
  ProcessMgr mgr = defDir.processMgr("SystemTest_full", "full");
  WfProcess proc = mgr.createProcess(requester);
  ProcessData data = proc.processContext();
  
  assertTrue(((Boolean)data.get("packageBooleanData")).booleanValue());
  assertTrue(((String)data.get("testString")).equals("WfMOpen"));
  assertTrue((((String)data.get("packageStringData")) == null)); 
  assertTrue(((Long)data.get("packageIntegerData")).intValue() == 3);
  data.put("", null);
  // Illegal empty entry
  boolean invalidData = false;
  try {
      proc.setProcessContext(data);
  } catch (InvalidDataException exc) {
      invalidData = true;    
  }
  assertTrue(invalidData);
  data.remove("");
  data.put("teststring", "illegal");
  data.put("packageIntegerData", "5");
  // Misspelled teststring and wrong data type for Integer
  invalidData = false;
  try {
      proc.setProcessContext(data);
  } catch (InvalidDataException exc) {
      invalidData = true;    
  }
  data.remove("teststring");
  Iterator it = data.keySet().iterator();
  // Still wrong data type for Integer
  invalidData = false;
  try {
      proc.setProcessContext(data);
  } catch (InvalidDataException exc) {
      invalidData = true;    
  }
  data.put("packageIntegerData", new Integer("5"));


  proc.setProcessContext(data);
  ProcessDataInfo ctxInfo = mgr.contextSignature();
  // Fetch data to check modifications
  data = proc.processContext();
  assertTrue(((Long)data.get("packageIntegerData")).intValue() == 5);


  procDir.removeProcess(proc);


  mgr = defDir.processMgr("SystemTest_minimal", "minimal");
  proc = mgr.createProcess(requester);
  data = proc.processContext();
  assertTrue(data.isEmpty());
  proc.setProcessContext(data);
  data.put("", null);
  invalidData = false;

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    public void checkWSIFToolInvocation() throws Exception {
  // create the process
  ProcessDefinitionDirectory pdd 
      = workflowService().processDefinitionDirectory();
  // dynamic invoke WSIF with WSDL definition as DOM tree.
  ProcessMgr pmgr = pdd.processMgr("st-testWSIF", "testWSIF1");
  WfProcess process = pmgr.createProcess(defaultRequester());
   process.start();
  checkResult(process);
  // dynamic invoke WSIF with WSDL definition retrieved from URL.
  ProcessMgr pmgr2 = pdd.processMgr("st-testWSIF", "testWSIF2");
  WfProcess process2 = pmgr2.createProcess(defaultRequester());
   process2.start();
  checkResult(process2);
    }

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     * Test a soap tool invocation which returns a complex data type of JDOM 
     * element. 
     * @exception Exception if an error occurs
     */
    public void googleSearch() throws Exception {
  ProcessMgr pmgr3 = pdd.processMgr("st-testWSIF", "testWSIF3");
  WfProcess process3 = pmgr3.createProcess(defaultRequester());
   process3.start();
  Thread.sleep(30000); 
   Map map = (Map)process3.result();
  for (Iterator it2 = map.keySet().iterator(); it2.hasNext();) {
      String name = (String) it2.next();

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     */
    protected Process createProcess (String pkgId, String prcId)
        throws Exception {
  ProcessDefinitionDirectory pdd 
      = workflowService().processDefinitionDirectory();
  ProcessMgr pmgr = pdd.processMgr(pkgId, prcId);
  Process process = (Process) pmgr.createProcess (defaultRequester());
  return process;
    }

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    public void testEnabled() throws Exception {
  boolean gotException = false;
  // test default setting
  assertTrue(defDir.isEnabled("SystemTest_minimal", "minimal"));
  defDir.setEnabled("SystemTest_minimal", "minimal", false);
  ProcessMgr mgr = defDir.processMgr("SystemTest_minimal", "minimal");
  int noprocs = mgr.processes().size();
  //WfProcess proc = null;
  WrappedProcess proc = null;
  // Make sure that default is "disabled"
  assertTrue(mgr.processMgrState() == WfProcessMgr.DISABLED);
  // Test that process creation is not possible
  try {
      //proc = mgr.createProcess(requester);
      proc = new WrappedProcess(mgr.createProcess(requester)); 
  } catch (NotEnabledException exc) {
      gotException = true;
  }
  assertTrue(gotException);
  // Enable now and make sure that process can be created
  mgr.setProcessMgrState(WfProcessMgr.ENABLED);
  assertTrue(mgr.processes().size() == noprocs);
  proc = new WrappedProcess(mgr.createProcess(requester));
  createdProcs.add (proc);
  assertTrue(mgr.processes().size() == noprocs+1);
    }

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     * Test creating a process, passing through and (automatically) removing.
     * @exception Exception if an error occurs
     */
    public void testRun() throws Exception {
  List msgList = importProcessDefinition("/process/minimal.xml");
  ProcessMgr mgr = defDir.processMgr("SystemTest", "stopOnStart");
  WfProcess proc = mgr.createProcess(requester);
  String procKey = proc.key();
  proc.start();
  assertTrue(stateReached(proc, "open.running.running",
        "open.not_running.suspended.suspended"));
  Activity act = (Activity)proc.steps().toArray()[0];
  act.resume();
  assertTrue(stateReached(proc, "closed.completed",
        "closed.completed"));
  // Assure that process has to be removed manually
  assertTrue(mgr.processByKey(procKey) != null);
  procDir.removeProcess(proc);
  boolean processRemoved = false;
  try {
      mgr.processByKey(procKey);
  } catch (InvalidKeyException exc) {
      processRemoved = true;
  }
  assertTrue(processRemoved);
  
  mgr = defDir.processMgr("SystemTest", "stopOnFinish");
  proc = mgr.createProcess(requester);
  procKey = proc.key();
  proc.start();
  assertTrue(stateReached(proc, "open.running.running",
        "open.not_running.suspended.suspended"));
  act = (Activity)proc.steps().toArray()[0];
  act.resume();
  assertTrue(stateReached(proc, "closed.completed",
        "closed.completed"));
  // Assure that process has to be removed manually
  assertTrue(mgr.processByKey(procKey) != null);
  procDir.removeProcess(proc);
  processRemoved = false;
  try {
      mgr.processByKey(procKey);
  } catch (InvalidKeyException exc) {
      processRemoved = true;
  }
  assertTrue(processRemoved);


  mgr = defDir.processMgr("SystemTest", "completeNoRemoval");
  proc = mgr.createProcess(requester);
  procKey = proc.key();
  proc.start();
  assertTrue(stateReached(proc, "closed.completed",
        "closed.completed"));
  // Assure that process has to be removed manually
  assertTrue(mgr.processByKey(procKey) != null);
  procDir.removeProcess(proc);
  processRemoved = false;
  try {
      mgr.processByKey(procKey);
  } catch (InvalidKeyException exc) {
      processRemoved = true;
  }
  assertTrue(processRemoved);


  mgr = defDir.processMgr("SystemTest", "completeRemoval");
  proc = mgr.createProcess(requester);
  procKey = proc.key();
  proc.start();
  // Assure that process has been removed automatically
  processRemoved = false;
  int maxRetries = 5;
  boolean test = true;
  while (test){
      if (maxRetries-- > 0) {
    try {
        mgr.processByKey(procKey);
        Thread.sleep(1000);
    } catch (InvalidKeyException exc) {
        processRemoved = true;
        test = false;
    }

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  } catch (InvalidKeyException exc) {
      gotException = true;
  }
  assertTrue(gotException);    
  // Try correct identifier
  ProcessMgr mgr = defDir.processMgr("SystemTest_minimal", "minimal");
  int noprocs = mgr.processes().size();
  //WfProcess proc = mgr.createProcess(requester);
  WrappedProcess proc = new WrappedProcess(mgr.createProcess(requester));
  assertTrue(mgr.processes().size() == noprocs+1);
  createdProcs.add (proc);
    }

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     * Test the transition path when executing processes.
     * @exception Exception if an error occurs
     */
    public void testPath() throws Exception {
  List msgList = importProcessDefinition("/process/transition1.xml");
  ProcessMgr mgr = defDir.processMgr("SystemTest", "simplePath");
  WfProcess proc = mgr.createProcess(requester);
  proc.start();
  // Wait for completion
  assertTrue(stateReached(proc, "closed.completed",
        "closed.completed"));
  ProcessData data = proc.processContext();
  assertTrue(((String)data.get("TransitionPath"))
       .equals("PATH:act1:act2:act3"));
  procDir.removeProcess(proc);


  mgr = defDir.processMgr("SystemTest", "block_2_in_2_out");
  proc = mgr.createProcess(requester);
  proc.start();
  // Wait for completion
  assertTrue("Process not completed in time",
       stateReached(proc, "closed.completed",
        "closed.completed"));

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     * Test all accessible attributes of process manager and process
     * (except process data and process context information).
     * @exception Exception if an error occurs
     */
    public void testProcAttributes() throws Exception {
  ProcessMgr mgrMin = defDir.processMgr("SystemTest_minimal", "minimal");
  ProcessMgr mgrFull = defDir.processMgr("SystemTest_full", "full");


  // Test attributes of process manager
  assertTrue(mgrMin.category() == null);
  assertTrue(mgrMin.description() == null);
  assertTrue(mgrMin.version() == null);
  assertTrue(mgrMin.name().equals("SystemTest_minimal/minimal"));
  assertTrue(mgrFull.category().equals("System Test (procdef)"));
  assertTrue(mgrFull.description()
       .equals("Description for test of all accessible attributes"));
  
  assertTrue(mgrFull.version().equals("beta 1"));
  assertTrue(mgrFull.name().equals("SystemTest_full/full"));


//   WfProcess proc1 = mgrMin.createProcess(requester);
//   WfProcess proc2 = mgrFull.createProcess(requester);
//   WfProcess proc3 = mgrFull.createProcess(requester);
  WrappedProcess proc1 
      = new WrappedProcess(mgrMin.createProcess(requester));
  WrappedProcess proc2 
      = new WrappedProcess(mgrFull.createProcess(requester));
  WrappedProcess proc3 
      = new WrappedProcess(mgrFull.createProcess(requester));
  // Test attributes of processes without existing process definition
  defDir.removeProcessDefinition("SystemTest_minimal", "minimal");
  defDir.removeProcessDefinition("SystemTest_full", "full");
  boolean procdefRemoved = false;
  try {

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