Examples with Node org.apache.airavata.workflow.model.graph.Node used on opensource projects

Example 56 with Node

use of org.apache.airavata.workflow.model.graph.Node in project airavata by apache.

the class JythonScript method writeOutput.

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
    // already, but it's OK.
    this.executingNodes.remove(fromNode);
    pw.println();
}

Example 57 with Node

use of org.apache.airavata.workflow.model.graph.Node in project airavata by apache.

the class JythonScript method writeWaitAll.

/**
 * @param pw
 */
private void writeWaitAll(PrintWriter pw) {
    pw.println(TAB + "# Wait all executing services.");
    for (Node node : this.executingNodes) {
        writeWait(node, pw);
    }
    pw.println();
}

Example 58 with Node

use of org.apache.airavata.workflow.model.graph.Node in project airavata by apache.

the class JythonScript method writeInvocations.

/**
 * @param pw
 * @throws GraphException
 */
private void writeInvocations(PrintWriter pw) throws GraphException {
    Collection<Node> nextNodes = getNextNodes();
    while (nextNodes.size() > 0) {
        // If there are more than one nodes to invoke, they can run
        // concurrently using threads.
        boolean thread = (nextNodes.size() > 1);
        for (Node node : nextNodes) {
            if (node instanceof WSNode) {
                WSNode wsNode = (WSNode) node;
                writeInvocation(wsNode, thread, pw);
            } else {
            // TODO conditions, loops might come here.
            }
            this.notYetInvokedNodes.remove(node);
        }
        nextNodes = getNextNodes();
    }
}

Example 59 with Node

use of org.apache.airavata.workflow.model.graph.Node in project airavata by apache.

the class WorkflowModifier method createDifference.

/**
 * @return The workflow that needs to be executed.
 * @throws GraphException
 * @throws MonitorException
 */
public Workflow createDifference() throws GraphException, MonitorException {
    WSGraph originalGraph = this.modifiedWorkflow.getGraph();
    Workflow workflow = this.modifiedWorkflow.clone();
    String name = workflow.getName();
    name += " (diff)";
    workflow.setName(name);
    WSGraph graph = workflow.getGraph();
    // Remove the finished node.
    removeFinishedNodes(originalGraph, graph);
    Set<WSPort> originalFromPorts = getFinalOutputPorts(originalGraph, graph);
    // Create input nodes for unconnected input ports.
    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 WorkflowRuntimeException(originalFromNode.getClass().getName());
        }
        Port originalToPort = originalFromPort.getToPorts().get(0);
        PortImpl toPort = graph.getPort(originalToPort.getID());
        InputNode inputNode = (InputNode) toPort.getFromNode();
        inputNode.setDefaultValue(output);
    }
    return workflow;
}

Example 60 with Node

use of org.apache.airavata.workflow.model.graph.Node in project airavata by apache.

the class WorkflowHarvester method cleanLeftOverInputNodes.

/**
 * @param clone
 */
private void cleanLeftOverInputNodes(Workflow clone) {
    List<NodeImpl> nodes = clone.getGraph().getNodes();
    LinkedList<Node> removeList = new LinkedList<Node>();
    for (Node nodeImpl : nodes) {
        if (nodeImpl instanceof InputNode) {
            if (nodeImpl.getOutputPort(0).getToNodes().size() == 0) {
                removeList.add(nodeImpl);
            }
        }
    }
    for (Node node : removeList) {
        try {
            clone.removeNode(node);
        } catch (GraphException e) {
            throw new WorkflowRuntimeException(e);
        }
    }
}