Package org.apache.airavata.workflow.model.graph

Examples of org.apache.airavata.workflow.model.graph.Node$NodeObserver


    }

    private void handleEvent(EventData event, boolean forward, Graph graph) {
        EventType type = event.getType();
        String nodeID = event.getNodeID();
        Node node = graph.getNode(nodeID);

        if (type == MonitorUtil.EventType.WORKFLOW_INVOKED) {
            workflowStarted(graph, forward);
            //todo ideally experimentID and workflowInstanceID has to be different
            workflowStatusUpdater.saveWorkflowData(event.getExperimentID(), event.getExperimentID(),
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    private void finishPredecessorNodes(Node node) {
        for (Port inputPort : node.getInputPorts()) {
            for (Edge edge : inputPort.getEdges()) {
                Port fromPort = edge.getFromPort();
                if (!(fromPort instanceof EPRPort)) {
                    Node fromNode = fromPort.getNode();
                    finishNode(fromNode);
                    finishPredecessorNodes(fromNode);
                }
            }
        }
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      this.getWorkflow().setExecutionState(WorkflowExecutionState.RUNNING);
      ArrayList<Node> inputNodes = this.getInputNodesDynamically();
      Object[] values = new Object[inputNodes.size()];
      String[] keywords = new String[inputNodes.size()];
      for (int i = 0; i < inputNodes.size(); ++i) {
        Node node = inputNodes.get(i);
        node.setState(NodeExecutionState.FINISHED);
        notifyViaInteractor(WorkflowExecutionMessage.NODE_STATE_CHANGED, null);
        keywords[i] = ((InputNode) node).getName();
        values[i] = ((InputNode) node).getDefaultValue();
                //Saving workflow input Node data before running the workflow
                WorkflowNodeType workflowNodeType = new WorkflowNodeType();
                workflowNodeType.setNodeType(WorkflowNodeType.WorkflowNode.INPUTNODE);
                WorkflowInstanceNode workflowInstanceNode = new WorkflowInstanceNode(new WorkflowExecution(getConfig().getTopic(),
                        getConfig().getTopic()), node.getID());
                this.getConfig().getConfiguration().getAiravataAPI().getProvenanceManager().setWorkflowInstanceNodeInput(workflowInstanceNode, keywords[i] + "=" + (String) values[i]);
                this.getConfig().getConfiguration().getAiravataAPI().getProvenanceManager().setWorkflowNodeType(workflowInstanceNode, workflowNodeType);
      }
      this.config.getNotifier().workflowStarted(values, keywords);
      while (this.getWorkflow().getExecutionState() != WorkflowExecutionState.STOPPED) {
        if (getRemainNodesDynamically() == 0) {
          notifyViaInteractor(WorkflowExecutionMessage.EXECUTION_STATE_CHANGED, WorkflowExecutionState.PAUSED);
        }
        // ok we have paused sleep
        while (this.getWorkflow().getExecutionState() == WorkflowExecutionState.PAUSED) {
          try {
            Thread.sleep(400);
          } catch (InterruptedException e) {
            e.printStackTrace();
          }
        }
        // get task list and execute them
        ArrayList<Node> readyNodes = this.getReadyNodesDynamically();
        for (Node node : readyNodes) {
          if (node.isBreak()) {
            this.notifyPause();
            break;
          }
          if (this.getWorkflow().getExecutionState() == WorkflowExecutionState.PAUSED
              || this.getWorkflow().getExecutionState() == WorkflowExecutionState.STOPPED) {
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      /*
       * Set type after get input value, and override inputValue if output
       * type is array
       */
      Node fromNode = dataPort.getFromNode();
      QName type = null;
      if (fromNode instanceof InputNode) {
        type = BasicTypeMapping.STRING_QNAME;
      } else if (fromNode instanceof ConstantNode) {
        type = ((ConstantNode) fromNode).getType();
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      throw new WorkFlowInterpreterException("Only one node allowed inside foreach");
    }
    Iterator<Node> iterator = repeatNodes.iterator();
    if (iterator.hasNext()) {

      Node middleNode = iterator.next();

      // forEachNode should point to a WSNode and should have only one
      // output
      if ((!(middleNode instanceof WSNode)) && (!(middleNode instanceof SubWorkflowNode))) {
        throw new WorkFlowInterpreterException("Encountered Node inside foreach that is not a WSNode" + middleNode);
      } else if (middleNode instanceof SubWorkflowNode) {
        /* Get the EndforEach Node of the Subworkflow */
        Iterator<Node> subWorkflowOut = middleNode.getOutputPort(0).getToNodes().iterator();
        while (subWorkflowOut.hasNext()) {
          Node node2 = subWorkflowOut.next();
          if (node2 instanceof EndForEachNode) {
            endForEachNode = (EndForEachNode) node2;
          }
        }

        final LinkedList<String> listOfValues = new LinkedList<String>();
        InterpreterUtil.getInputsForForEachNode(forEachNode, listOfValues, this.invokerMap);
        final Integer[] inputNumbers = InterpreterUtil.getNumberOfInputsForForEachNode(forEachNode, this.invokerMap);
        Workflow workflow1 = ((SubWorkflowNode) middleNode).getWorkflow();
        List<NodeImpl> nodes = workflow1.getGraph().getNodes();
        List<Node> wsNodes = new ArrayList<Node>();
        /* Take the List of WSNodes in the subworkflow */
        for (NodeImpl subWorkflowNode : nodes) {
          if (subWorkflowNode instanceof WSNode) {
            wsNodes.add(subWorkflowNode);
          }
        }

        for (int i = 0; i < wsNodes.size(); i++) {
          final WSNode node1 = (WSNode) wsNodes.get(i);
          SystemComponentInvoker systemInvoker = null;
          List<DataPort> outputPorts1 = node1.getOutputPorts();
          List<Node> endForEachNodes = new ArrayList<Node>();
          for (DataPort port : outputPorts1) {
            Iterator<Node> endForEachNodeItr1 = port.getToNodes().iterator();
            while (endForEachNodeItr1.hasNext()) {
              Node node2 = endForEachNodeItr1.next();
              if (node2 instanceof EndForEachNode) {
                endForEachNodes.add(node2);
              } else if (node2 instanceof OutputNode) {
                // intentionally left noop
              } else {
                throw new WorkFlowInterpreterException("Found More than one node inside foreach");
              }

            }
          }
          final List<Node> finalEndForEachNodes = endForEachNodes;

          Iterator<Node> endForEachNodeItr1 = node1.getOutputPort(0).getToNodes().iterator();
          while (endForEachNodeItr1.hasNext()) {
            Node node2 = endForEachNodeItr1.next();
            // Start reading input came for foreach node
            int parallelRuns = listOfValues.size() * node1.getOutputPorts().size();
            if (listOfValues.size() > 0) {
              forEachNode.setState(NodeExecutionState.EXECUTING);
              node1.setState(NodeExecutionState.EXECUTING);
              List<DataPort> outputPorts = node1.getOutputPorts();
              final AtomicInteger counter = new AtomicInteger();
              for (Node endFor : endForEachNodes) {
                systemInvoker = new SystemComponentInvoker();
                this.invokerMap.put(endFor, systemInvoker);
              }
              final Map<Node, Invoker> finalMap = this.invokerMap;
              new Thread() {
                @Override
                public void run() {
                  try {
                    runInThread(listOfValues, forEachNode, node1, finalEndForEachNodes, finalMap, counter, inputNumbers);
                  } catch (WorkflowException e) {

                    WorkflowInterpreter.this.config.getGUI().getErrorWindow().error(e);
                  }
                }

              }.start();

              while (counter.intValue() < parallelRuns) {
                try {
                  Thread.sleep(100);
                } catch (InterruptedException e) {
                  Thread.currentThread().interrupt();
                }

              }
              if (!(node2 instanceof OutputNode)) {
                listOfValues.removeAll(listOfValues);
                String output = (String) systemInvoker.getOutput(node1.getOutputPort(0).getName());
                XmlElement xmlElement = XMLUtil.stringToXmlElement("<result>" + output + "</result>");
                Iterator iterator1 = xmlElement.children().iterator();
                while (iterator1.hasNext()) {
                  Object next1 = iterator1.next();
                  if (next1 instanceof XmlElement) {
                    listOfValues.add((String) ((XmlElement) next1).children().iterator().next());
                  }
                }
              }
            }
          }
        }
        // we have finished execution so end foreach is finished
        // todo this has to be done in a separate thread
        endForEachNode.setState(NodeExecutionState.FINISHED);
        middleNode.setState(NodeExecutionState.FINISHED);
        node.setState(NodeExecutionState.FINISHED);

      } else {

        // First node after foreach should end with EndForEachNode
        List<DataPort> outputPorts1 = middleNode.getOutputPorts();
        List<Node> endForEachNodes = new ArrayList<Node>();
        for (DataPort port : outputPorts1) {
          Iterator<Node> endForEachNodeItr1 = port.getToNodes().iterator();
          while (endForEachNodeItr1.hasNext()) {
            Node node2 = endForEachNodeItr1.next();
            if (node2 instanceof EndForEachNode) {
              endForEachNodes.add(node2);
            } else if (node2 instanceof OutputNode) {
              // intentionally left noop
            } else {
              throw new WorkFlowInterpreterException("Found More than one node inside foreach");
            }

          }
        }
        final List<Node> finalEndForEachNodes = endForEachNodes;
        final Node foreachWSNode = middleNode;
        final LinkedList<String> listOfValues = new LinkedList<String>();

        // Start reading input came for foreach node
        InterpreterUtil.getInputsForForEachNode(forEachNode, listOfValues, this.invokerMap);
        final Integer[] inputNumbers = InterpreterUtil.getNumberOfInputsForForEachNode(forEachNode, this.invokerMap);

        int parallelRuns = createInputValues(listOfValues, inputNumbers).size() * outputPorts1.size();
        if (listOfValues.size() > 0) {

          forEachNode.setState(NodeExecutionState.EXECUTING);
          foreachWSNode.setState(NodeExecutionState.EXECUTING);
          List<DataPort> outputPorts = middleNode.getOutputPorts();
          final AtomicInteger counter = new AtomicInteger();
          for (Node endFor : endForEachNodes) {
            final SystemComponentInvoker systemInvoker = new SystemComponentInvoker();
            this.invokerMap.put(endFor, systemInvoker);
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          Object inputVal = InterpreterUtil.findInputFromPort(port, this.invokerMap);

          /*
           * Handle ForEachNode
           */
          Node fromNode = port.getFromNode();
          // if (fromNode instanceof ForEachNode) {
          inputVal = WorkflowInputUtil.parseValue((WSComponentPort) port.getComponentPort(), input);
          // }

          if (null == inputVal) {
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    for (DataPort port : inputPorts) {
      Object inputVal = InterpreterUtil.findInputFromPort(port, this.invokerMap);
      /*
       * Handle ForEachNode
       */
      Node fromNode = port.getFromNode();
      if (fromNode instanceof ForEachNode) {
        inputVal = inputArray[index++];
      }

      if (null == inputVal) {
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        window.show();
  }
   
    public static Object getInputsForForEachNode(final ForEachNode forEachNode,
      final LinkedList<String> listOfValues, Map<Node, Invoker> invokerMap) throws WorkflowException {
    Node forEachInputNode = forEachNode.getInputPort(0).getFromNode();
    // if input node for for-each is WSNode
    Object returnValForProvenance = null;
    if (forEachInputNode instanceof InputNode) {
      for (DataPort dataPort : forEachNode.getInputPorts()) {
        returnValForProvenance = XBayaUtil
            .findInputFromPort(dataPort, invokerMap);
        if (null == returnValForProvenance) {
          throw new WorkFlowInterpreterException(
              "Unable to find input for the node:"
                  + forEachNode.getID());
        }
        String[] vals = returnValForProvenance.toString().split(",");
        listOfValues.addAll(Arrays.asList(vals));
      }
    } else {
      Invoker workflowInvoker = invokerMap
          .get(forEachInputNode);
      if (workflowInvoker != null) {
        if (workflowInvoker instanceof GenericInvoker) {

          returnValForProvenance = ((GenericInvoker) workflowInvoker)
              .getOutputs();
          String message = returnValForProvenance.toString();

          XmlElement msgElmt = XmlConstants.BUILDER
              .parseFragmentFromString(message);
          Iterator children = msgElmt.children().iterator();
          while (children.hasNext()) {
            Object object = children.next();
            // foreachWSNode.getInputPort(0).getType()
            if (object instanceof XmlElement) {
              listOfValues.add(XmlConstants.BUILDER
                  .serializeToString(object));
              // TODO fix for simple type - Done
            }
          }
        } else if (workflowInvoker instanceof WorkflowInvokerWrapperForGFacInvoker) {
          String outputName = forEachInputNode.getOutputPort(0)
              .getName();
          returnValForProvenance = workflowInvoker
              .getOutput(outputName);
          org.xmlpull.v1.builder.XmlElement msgElmt = (org.xmlpull.v1.builder.XmlElement) returnValForProvenance;
          Iterator children = msgElmt.children();
          while (children.hasNext()) {
            Object object = children.next();
            if (object instanceof org.xmlpull.v1.builder.XmlElement) {
              org.xmlpull.v1.builder.XmlElement child = (org.xmlpull.v1.builder.XmlElement) object;
              Iterator valItr = child.children();
              if (valItr.hasNext()) {
                Object object2 = valItr.next();
                if (object2 instanceof String) {
                  listOfValues.add(object2.toString());
                }
              }
            }
          }
        } else if (workflowInvoker instanceof SystemComponentInvoker) {
          String outputName = forEachInputNode.getOutputPort(0)
              .getName();
          returnValForProvenance = workflowInvoker
              .getOutput(outputName);
          XmlElement msgElmt = XmlConstants.BUILDER
              .parseFragmentFromString("<temp>"
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     * @return
     * @throws WorkflowException
     */
  public static Object findInputFromPort(DataPort inputPort, Map<Node, Invoker>  invokerMap) throws WorkflowException {
    Object outputVal = null;
    Node fromNode = inputPort.getFromNode();
    if (fromNode instanceof InputNode) {
      outputVal = ((InputNode) fromNode).getDefaultValue();
    } else if (fromNode instanceof ConstantNode) {
      outputVal = ((ConstantNode) fromNode).getValue();
    } else if (fromNode instanceof EndifNode) {
      Invoker fromInvoker = invokerMap.get(fromNode);
      outputVal = fromInvoker.getOutput(inputPort.getFromPort().getID());
    } else if (fromNode instanceof InstanceNode) {
      return ((InstanceNode) fromNode).getOutputInstanceId();
    } else if (fromNode instanceof EndForEachNode) {
      outputVal = "";
      Invoker workflowInvoker = invokerMap.get(fromNode);
      String outputName = fromNode.getOutputPort(0).getName();
      XmlElement msgElmt = XmlConstants.BUILDER
          .parseFragmentFromString("<temp>"
              + workflowInvoker.getOutput(outputName) + "</temp>");
      Iterator valItr = msgElmt.children().iterator();
      while (valItr.hasNext()) {
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    Collection<Node> toNodes = node.getOutputPort(0).getToNodes();
    if(toNodes.size() != 1){
      throw new WorkflowRuntimeException("ForEach output does not contain single out-edge");
    }
    Node middleNode = toNodes.iterator().next();
    List<DataPort> outputPorts = middleNode.getOutputPorts();
    for (DataPort dataPort : outputPorts) {
      if(dataPort.getToNodes().size() == 1){
        Node possibleEndForEachNode = dataPort.getToNodes().get(0);
        if(possibleEndForEachNode instanceof EndForEachNode){
          return possibleEndForEachNode;
        }
      }
    }
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