Package org.apache.airavata.xbaya.graph

Examples of org.apache.airavata.xbaya.graph.Node

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            if (null == candidatePort) {
                throw new XBayaRuntimeException("Specifies Port was not found:" + pair.getRight());
            }
            if (!(candidatePort.getFromNode() instanceof InputNode)) {
                removeUnnecessaryNodes(node, candidatePort, clone);
                Node input = clone.addNode(new InputComponent());
                input.setPosition(new Point(Math.max(0, node.getPosition().x - 150), node.getPosition().y));

                // the returned workflows size should be less than that of the
                // original
                if (clone.getGraph().getNodes().size() < workflow.getGraph().getNodes().size()
                // if the sizes the different its a candidate, but need
                // to make sure
                // its not the same as one already harvested
                        && !isWorkflowAlreadyHarvested(harvest, clone)) {
                    try {
                        clone.getGraph().addEdge(input.getOutputPort(0), candidatePort);
                        cleanLeftOverInputNodes(clone);
                    } catch (GraphException e) {
                        throw new RuntimeException(e);
                    }
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     * @param pair
     * @param clone
     */
    private void removeUnnecessaryNodes(Node node, Port candidatePort, Workflow workflow) {
        if (candidatePort.getFromPort().getEdges().size() == 1) {
            Node fromNode = candidatePort.getFromNode();
            try {
                List<DataPort> inputPorts = fromNode.getInputPorts();
                for (DataPort dataPort : inputPorts) {
                    removeUnnecessaryNodes(fromNode, dataPort, workflow);
                }
                workflow.removeNode(fromNode);
            } catch (GraphException e) {
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        createInputNodes(graph, originalFromPorts);

        // Set default values.
        for (WSPort originalFromPort : originalFromPorts) {
            // TODO handle the case that node is not WSNode.
            Node originalFromNode = originalFromPort.getNode();
            String fromNodeID = originalFromNode.getID();
            String output;
            if (originalFromNode instanceof InputNode) {
                // notification that includes the input of the workflow.
                output = getWorkflowInput(fromNodeID);
            } else if (originalFromNode instanceof WSNode) {
                // Retrieve input value from notification.
                WSComponent component = ((WSNode) originalFromNode).getComponent();
                String messageName = component.getOutputTypeName();
                String parameterName = originalFromPort.getComponentPort().getName();
                output = getOutput(fromNodeID, messageName, parameterName);
            } else {
                // This should not happen.
                throw new XBayaRuntimeException(originalFromNode.getClass().getName());
            }
            Port originalToPort = originalFromPort.getToPorts().get(0);
            PortImpl toPort = graph.getPort(originalToPort.getID());
            InputNode inputNode = (InputNode) toPort.getFromNode();
            inputNode.setDefaultValue(output);
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            if (NodeState.FINISHED.color.equals(color)) {
                finishedNodes.add(node);
            }
        }
        for (Node finishedNode : finishedNodes) {
            Node node = graph.getNode(finishedNode.getID());
            graph.removeNode(node);
        }
    }
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    public void graphCanvasChanged(GraphCanvasEvent event) {
        GraphCanvasEventType type = event.getType();
        GraphCanvas graphCanvas = event.getGraphCanvas();
        switch (type) {
        case NODE_SELECTED:
            Node node = graphCanvas.getSelectedNode();
            if (node == null) {
                setComponent(null);
            } else {
                setComponent(node.getComponent());
            }
            break;
        case GRAPH_LOADED:
        case NAME_CHANGED:
        case INPUT_PORT_SELECTED:
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        // Input ports need to be connected.
        Collection<Port> inputPorts = GraphUtil.getPorts(this.graph, Port.Kind.DATA_IN);
        for (Port inputPort : inputPorts) {
            Collection<Port> fromPorts = inputPort.getFromPorts();
            if (fromPorts.size() == 0) {
                Node node = inputPort.getNode();
                String message = node.getID() + " has an unconnected input " + inputPort.getName();
                warnings.add(message);
            }
        }

        // Input nodes need to be connected.
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        // Ports
        for (Port port : node.getInputPorts()) {
            String portName = port.getName();
            String value;
            Node fromNode = port.getFromNode();
            if (fromNode instanceof InputNode) {
                value = PROPERTIES_VARIABLE + "." + GET_PROPERTY_METHOD + "('" + fromNode.getID() + "')";
            } else {
                Port fromPort = port.getFromPort();
                value = "" + fromNode.getID() + INVOKER_SUFFIX + "." + GET_OUTPUT_METHOD + "('" + fromPort.getName()
                        + "')";

                // This might try to remove a node that has been removed
                // already, but it's OK.
                this.executingNodes.remove(fromNode);
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    private void writeOutput(OutputNode node, PrintWriter pw) throws GraphException {
        String id = node.getID();
        Port port = node.getPort();

        Node fromNode = port.getFromNode();
        if (fromNode == null) {
            throw new GraphException("Output parameter has to be connected to some node.");
        }
        Port fromPort = port.getFromPort();
        if (fromNode instanceof InputNode) {
            // The OutputNode is directly connected to an InputNode.
            pw.println(TAB + id + VALUE_SUFFIX + " = " + PROPERTIES_VARIABLE + "." + GET_PROPERTY_METHOD + "('"
                    + fromNode.getID() + "')");
        } else {
            pw.println(TAB + "# Wait output " + id);
            pw.println(TAB + id + VALUE_SUFFIX + " = " + fromNode.getID() + INVOKER_SUFFIX + "." + GET_OUTPUT_METHOD
                    + "('" + fromPort.getName() + "')");
        }
        pw.println(TAB + "print '" + id + " = ', " + id + VALUE_SUFFIX);

        // This might try to remove a node that has been removed
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    }

    private void handleEvent(MonitorEvent 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);
        } else if (type == MonitorUtil.EventType.WORKFLOW_TERMINATED) {
            workflowFinished(graph, forward);
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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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Related Classes of org.apache.airavata.xbaya.graph.Node

  • org.apache.airavata.xbaya.component.gui.ComponentViewer
  • org.apache.airavata.xbaya.datadriven.WorkflowHarvester
  • org.apache.airavata.xbaya.gpel.script.BPELScript
  • org.apache.airavata.xbaya.graph.amazon.InstanceNode
  • org.apache.airavata.xbaya.graph.amazon.ResourceNode
  • org.apache.airavata.xbaya.graph.dynamic.gui.DynamicNodeWindow
  • org.apache.airavata.xbaya.graph.gui.GraphCanvas
  • org.apache.airavata.xbaya.graph.impl.NodeImpl
  • org.apache.airavata.xbaya.graph.system.gui.DifferedInputHandler
  • org.apache.airavata.xbaya.graph.ws.WSGraph
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