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

Example 6 with WSNode

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

the class BPELScript method getWSDLs.

/**
 * Returns the WSDLs of components in the workflow.
 *
 * @return The WSDLs of components.
 */
public Collection<XmlElement> getWSDLs() {
    Collection<XmlElement> wsdls = new ArrayList<XmlElement>();
    for (Node node : this.graph.getNodes()) {
        if (node instanceof WSNode) {
            WSNode wsNode = (WSNode) node;
            WSComponent component = wsNode.getComponent();
            wsdls.add(component.toXML());
        }
    }
    return wsdls;
}

Example 7 with WSNode

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

the class BPELScript method removeUnnecessaryNodes.

// private GpelSequence createMainSequence() throws GraphException {
// GpelSequence sequence = new GpelSequence(this.bpelNS);
// 
// // Remove InputNodes and MemoNodes.
// removeUnnecessaryNodes(this.remainNodes);
// 
// addInitialReceive(sequence);
// 
// addBlock(this.remainNodes, sequence);
// 
// addFinalReply(sequence);
// 
// if (this.remainNodes.size() > 0) {
// throw new GraphException("Some node(s) are not connected.");
// }
// 
// return sequence;
// }
// 
// private void addInitialReceive(GpelSequence sequence) {
// // Create a partner link
// String partnerLinkName = WORKFLOW_PARTNER_LINK;
// XmlNamespace partnerLinkTypeNS = this.workflowWSDL.getTargetNamespace();
// String partnerLinkTypeName = this.workflowPrefix + PARTNER_LINK_TYPE_SUFFIX;
// String myRollName = this.workflowPrefix + MY_ROLE_SUFFIX;
// 
// this.process.addPartnerLink(partnerLinkName, partnerLinkTypeNS, partnerLinkTypeName, myRollName, null);
// this.workflowWSDL.addPartnerLinkTypeAndRoll(partnerLinkTypeName, myRollName,
// this.workflowWSDL.getPortTypeQName());
// 
// // Create a variable
// this.process.addMessageVariable(WORKFLOW_INPUT_NAME, this.targetNamespace,
// this.workflowWSDL.getWorkflowInputMessageName());
// 
// GpelReceive receive = new GpelReceive(this.bpelNS, WORKFLOW_PARTNER_LINK, this.workflowWSDL.getPortTypeQName(),
// this.workflowWSDL.getWorkflowOperationName());
// receive.setGpelVariableName(WORKFLOW_INPUT_NAME);
// sequence.addActivity(receive);
// }
// 
// private void addFinalReply(GpelSequence sequence) throws GraphException {
// // Create a variable
// this.process.addMessageVariable(WORKFLOW_OUTPUT_NAME, this.targetNamespace,
// this.workflowWSDL.getWorkflowOutputMessageName());
// 
// List<GpelAssignCopy> copies = new ArrayList<GpelAssignCopy>();
// List<OutputNode> outputNodes = GraphUtil.getNodes(this.graph, OutputNode.class);
// this.remainNodes.removeAll(outputNodes);
// for (OutputNode outputNode : outputNodes) {
// Port port = outputNode.getPort();
// GpelAssignCopyFrom from = createAssignCopyFrom(port);
// GpelAssignCopyTo to = createAssignCopyTo(port, false);
// 
// copies.add(new GpelAssignCopy(this.bpelNS, from, to));
// }
// 
// if (copies.size() != 0) {
// // When there is no outputs, we don't create assign.
// GpelAssign assign = new GpelAssign(this.bpelNS, copies);
// sequence.addActivity(assign);
// }
// 
// GpelReply reply = new GpelReply(this.bpelNS, WORKFLOW_PARTNER_LINK, this.workflowWSDL.getPortTypeQName(),
// this.workflowWSDL.getWorkflowOperationName());
// reply.setVariableName(WORKFLOW_OUTPUT_NAME);
// sequence.addActivity(reply);
// }
// 
// /**
// * @param block
// * @param sequence
// * @throws GraphException
// */
// private void addBlock(Collection<Node> block, GpelSequence sequence) throws GraphException {
// List<Node> nextNodes = getNextExecutableNodes(block);
// while (nextNodes.size() > 0) {
// block.removeAll(nextNodes);
// removeUnnecessaryNodes(nextNodes);
// if (nextNodes.size() == 0) {
// // Everything was uncessary nodes (constants, etc.). Move on.
// } else if (nextNodes.size() == 1) {
// addSingle(nextNodes.get(0), block, sequence);
// } else if (nextNodes.size() > 1) {
// // XXX The algorithm used here is not efficient. It introduces
// // unnessary barriers.
// addFlow(nextNodes, block, sequence);
// } else {
// // Should not happen.
// throw new WorkflowRuntimeException("nextNodes.size(): " + nextNodes.size());
// }
// nextNodes = getNextExecutableNodes(block);
// }
// }
// 
// private void addFlow(List<Node> nextNodes, Collection<Node> block, GpelSequence sequence) throws GraphException {
// GpelFlow flow = new GpelFlow(this.bpelNS);
// for (Node node : nextNodes) {
// GpelSequence childSequence = new GpelSequence(this.bpelNS);
// flow.addActivity(childSequence);
// addSingle(node, block, childSequence);
// }
// sequence.addActivity(flow);
// }
// 
// // TODO: Add xml to BPEL
// private void addSingle(Node node, Collection<Node> block, GpelSequence sequence) throws GraphException {
// logger.debug("Processing + " + node.getID());
// if (node instanceof WSNode) {
// addInvoke((WSNode) node, sequence);
// } else if (node instanceof ConstantNode) {
// // nothing
// } else if (node instanceof ForEachNode) {
// addForEach((ForEachNode) node, block, sequence);
// } else if (node instanceof EndForEachNode) {
// // nothing.
// } else if (node instanceof IfNode) {
// addIf((IfNode) node, block, sequence);
// } else if (node instanceof EndifNode) {
// // nothing
// } else if (node instanceof ReceiveNode) {
// addReceive((ReceiveNode) node, sequence);
// } else if (node instanceof BlockNode) {
// addBlock((BlockNode) node, block, sequence);
// } else if (node instanceof EndBlockNode) {
// // nothing
// } else if (node instanceof StreamSourceNode) {
// addStreamSource((StreamSourceNode) node, sequence);
// } else if (node instanceof ExitNode) {
// addExit((ExitNode) node, sequence);
// } else if (node instanceof ResourceNode) {
// // nothing
// } else {
// 
// throw new GraphException(node.getClass().getName() + " is not supported.");
// }
// }
// 
// /**
// * @param node
// * @param sequence
// */
// private void addStreamSource(StreamSourceNode node, GpelSequence sequence) {
// GpelFlow flow = new GpelFlow(this.bpelNS);
// new GpelSequence(this.bpelNS);
// sequence.addActivity(flow);
// 
// }
// 
// /**
// * @param node
// * @param sequence
// */
// private void addExit(ExitNode node, GpelSequence sequence) {
// sequence.xml().addElement(this.bpelNS, "exit");
// }
// 
// private void addInvoke(WSNode node, GpelSequence sequence) throws GraphException {
// String id = node.getID();
// 
// WSComponent wsdlComponent = node.getComponent();
// String operation = wsdlComponent.getOperationName();
// 
// QName portTypeQName = wsdlComponent.getPortTypeQName();
// XmlNamespace namespace = XMLUtil.declareNamespaceIfNecessary(id.toLowerCase(), portTypeQName.getNamespaceURI(),
// false, this.process.xml());
// 
// // Variable
// String inputVariableName = id + INPUT_SUFFIX;
// this.process.addMessageVariable(inputVariableName, namespace, portTypeQName.getLocalPart());
// String outputVariableName = id + OUTPUT_SUFFIX;
// this.process.addMessageVariable(outputVariableName, namespace, portTypeQName.getLocalPart());
// 
// // Assign
// List<GpelAssignCopy> copies = new ArrayList<GpelAssignCopy>();
// for (Port port : node.getInputPorts()) {
// Port fromPort = port.getFromPort();
// if (fromPort == null) {
// // optional input
// continue;
// }
// GpelAssignCopyFrom from = createAssignCopyFrom(port);
// GpelAssignCopyTo to = createAssignCopyTo(port, true);
// 
// GpelAssignCopy copy = new GpelAssignCopy(this.bpelNS, from, to);
// copies.add(copy);
// }
// 
// GpelAssign assign = new GpelAssign(this.bpelNS, copies);
// sequence.addActivity(assign);
// 
// PartnerLinkRole partnerRoll = this.workflowWSDL.getPartnerRoll(portTypeQName);
// if (partnerRoll == null) {
// String partnerLinkTypeName = id + PARTNER_LINK_TYPE_SUFFIX;
// String partnerRollName = id + PARTNER_ROLE_SUFFIX;
// partnerRoll = this.workflowWSDL.addPartnerLinkTypeAndRoll(partnerLinkTypeName, partnerRollName,
// portTypeQName);
// }
// PartnerLinkType partnerLinkType = partnerRoll.getPartnerLinkType();
// 
// // partnerLink
// String partnerLinkName = createPartnerLinkName(id);
// XmlNamespace partnerLinkTypeNS = this.targetNamespace;
// this.process.addPartnerLink(partnerLinkName, partnerLinkTypeNS, partnerLinkType.getName(), null,
// partnerRoll.getName());
// 
// // Invoke
// GpelInvoke invoke = new GpelInvoke(this.bpelNS, partnerLinkName, namespace, portTypeQName.getLocalPart(),
// operation);
// invoke.setName(INVOKE_NAME_PREFIX + id);
// invoke.setInputVariableName(inputVariableName);
// invoke.setOutputVariableName(outputVariableName);
// 
// sequence.addActivity(invoke);
// }
// /**
// * Creates BpelAssignCopyFrom for a specified port.
// *
// * @param port
// * @return The BpelAssignCopyFrom created
// * @throws GraphException
// */
// private GpelAssignCopyFrom createAssignCopyFrom(Port port) throws GraphException {
// GpelAssignCopyFrom from = new GpelAssignCopyFrom(this.bpelNS);
// 
// Port fromPort = port.getFromPort();
// Node fromNode = fromPort.getNode();
// if (fromNode instanceof InputNode) {
// from.setVariable(WORKFLOW_INPUT_NAME);
// from.setPart(WorkflowWSDL.INPUT_PART_NAME);
// from.setQuery("/" + this.typesNamespace.getPrefix() + ":"
// + this.workflowWSDL.getWorkflowInputMessageElelmentName() + "/" + fromNode.getID());
// } else if (fromNode instanceof ConstantNode) {
// ConstantNode constNode = (ConstantNode) fromNode;
// Object value = constNode.getValue();
// // The namaspace and name of the literal element will be set
// // correctly in from.setLiteral().
// XmlElement literalElement = XMLUtil.BUILDER.newFragment(GpelAssignCopyFrom.LITERAL_EL);
// literalElement.addChild(value);
// from.setLiteral(literalElement);
// } else if (fromNode instanceof WSNode) {
// String fromID = fromNode.getID();
// WSComponent fromWsdlComponent = (WSComponent) fromNode.getComponent();
// 
// WSComponentPort fromWsdlPort = (WSComponentPort) fromPort.getComponentPort();
// 
// from.setVariable(fromID + OUTPUT_SUFFIX);
// from.setPart(fromWsdlComponent.getOutputPartName());
// 
// if (fromWsdlPort.isSchemaUsed()) {
// String typesTargetNamespace = fromWsdlPort.getTargetNamespace();
// XmlNamespace namespace = XMLUtil.declareNamespaceIfNecessary(fromID.toLowerCase() + TYPENS_SUFFIX,
// typesTargetNamespace, false, this.process.xml());
// 
// from.setQuery("/" + namespace.getPrefix() + ":" + fromWsdlComponent.getOutputTypeName() + "/"
// + fromWsdlPort.getName());
// } else {
// // No query needed?
// }
// } else if (fromNode instanceof ForEachNode) {
// from.setVariable(fromNode.getID() + FOREACH_VALUE_SUFFIX);
// } else if (fromNode instanceof EndForEachNode) {
// from.setVariable(fromNode.getID() + ARRAY_SUFIX);
// } else if (fromNode instanceof EndifNode) {
// // endif has multiple outputs, so we use port ID here.
// from.setVariable(fromPort.getID() + OUTPUT_SUFFIX);
// } else if (fromNode instanceof ReceiveNode) {
// if (fromPort instanceof EPRPort) {
// from.setPartnerLink(fromNode.getID() + PARTNER_LINK_NAME_SUFFIX);
// from.setEndpointReference("myRole");
// } else {
// from.setVariable(fromNode.getID() + INPUT_SUFFIX);
// }
// } else if (fromNode instanceof InstanceNode) {
// // no op
// } else {
// throw new GraphException("Unexpected node," + fromNode.getClass().getName() + " is connected");
// }
// return from;
// }
// 
// /**
// * Creates BpelAssignCopyFrom for a specified port.
// *
// * @param toPort
// * @param input
// * @return The GpelAssignCopyTo created
// */
// private GpelAssignCopyTo createAssignCopyTo(Port toPort, boolean input) {
// GpelAssignCopyTo to = new GpelAssignCopyTo(this.bpelNS);
// 
// Node toNode = toPort.getNode();
// if (toNode instanceof OutputNode) {
// to.setVariable(WORKFLOW_OUTPUT_NAME);
// to.setPart(WorkflowWSDL.OUTPUT_PART_NAME);
// to.setQuery("/" + this.typesNamespace.getPrefix() + ":"
// + this.workflowWSDL.getWorkflowOutputMessageElementName() + "/" + toNode.getID());
// } else {
// WSComponentPort toComponentPort = (WSComponentPort) toPort.getComponentPort();
// 
// String toID = toNode.getID();
// WSComponent toWSComponent = (WSComponent) toNode.getComponent();
// to.setVariable(toID + INPUT_SUFFIX);
// to.setPart(toWSComponent.getInputPartName());
// 
// if (toComponentPort.isSchemaUsed()) {
// // Normal case.
// // e.g. <part name="name" type="typens:fooType">
// String typesTargetNamespace = toComponentPort.getTargetNamespace();
// XmlNamespace namespace = XMLUtil.declareNamespaceIfNecessary(toID.toLowerCase() + TYPENS_SUFFIX,
// typesTargetNamespace, false, this.process.xml());
// 
// String typeName = input ? toWSComponent.getInputTypeName() : toWSComponent.getOutputTypeName();
// to.setQuery("/" + namespace.getPrefix() + ":" + typeName + "/" + toComponentPort.getName());
// } else {
// // e.g. <part name="name" type="xsd:string">
// // No query is needed?
// }
// }
// return to;
// }
private void removeUnnecessaryNodes(List<Node> block) {
    List<Node> unnecessaryNodes = new ArrayList<Node>();
    for (Node node : block) {
        if (node instanceof InputNode || node instanceof MemoNode || node instanceof ConstantNode) {
            unnecessaryNodes.add(node);
        }
    }
    block.removeAll(unnecessaryNodes);
}

Example 8 with WSNode

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

the class GraphUtil method validateConnection.

/**
 * @param edge
 * @throws GraphException
 */
public static void validateConnection(Edge edge) throws GraphException {
    Port fromPort = edge.getFromPort();
    Port toPort = edge.getToPort();
    if (edge instanceof ControlEdge) {
        if (!(fromPort instanceof ControlPort && toPort instanceof ControlPort)) {
            throw new GraphException(MessageConstants.UNEXPECTED_ERROR);
        }
    } else if (edge instanceof DataEdge) {
        if (fromPort instanceof EPRPort) {
            // TODO
            return;
        }
        if (!(fromPort instanceof DataPort || fromPort instanceof EPRPort) || !(toPort instanceof DataPort)) {
            throw new GraphException(MessageConstants.UNEXPECTED_ERROR);
        }
        DataPort fromDataPort = (DataPort) fromPort;
        DataPort toDataPort = (DataPort) toPort;
        DataType fromType = fromDataPort.getType();
        DataType toType = toDataPort.getType();
        if (toDataPort.getEdges().size() > 1) {
            throw new GraphException(MessageConstants.MORE_THAN_ONE_CONNECTIONS);
        }
        // ok
        if (fromPort.getNode() instanceof WSNode) {
            if ("registerStream".equals(((WSNode) fromPort.getNode()).getOperationName())) {
                return;
            }
        }
        if (!(fromType == null || fromType.equals(WSConstants.XSD_ANY_TYPE) || fromType.equals(new QName(WSConstants.XSD_NS_URI, "anyType")) || toType == null || toType.equals(WSConstants.XSD_ANY_TYPE) || toType.equals(new QName(WSConstants.XSD_NS_URI, "anyType")) || fromType.equals(toType)) && (fromType == null || fromType.equals(WSConstants.LEAD_ANY_TYPE) || fromType.equals(new QName(WSConstants.LEAD_NS_URI, "anyType")) || toType == null || toType.equals(WSConstants.LEAD_ANY_TYPE) || toType.equals(new QName(WSConstants.LEAD_NS_URI, "anyType")) || fromType.equals(toType))) {
            throw new GraphException("Cannot connect ports with different types:" + " \nfrom=\t" + fromType + " \nto=\t" + toType + "");
        }
    }
}

Example 9 with WSNode

use of org.apache.airavata.workflow.model.graph.ws.WSNode 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 10 with WSNode

use of org.apache.airavata.workflow.model.graph.ws.WSNode 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;
}