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

Example 36 with GraphException

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

the class WorkflowHarvester method removeUnnecessaryNodes.

/**
 * @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) {
            throw new WorkflowRuntimeException(e);
        }
    }
}

Example 37 with GraphException

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

the class WorkflowHarvester method harvest.

public Workflow[] harvest(Workflow workflow, QName dataType) {
    LinkedList<Workflow> harvest = new LinkedList<Workflow>();
    LinkedList<Pair<String, String>> candidates = getCandidates(workflow, dataType);
    for (Pair<String, String> pair : candidates) {
        Workflow clone = workflow.clone();
        NodeImpl node = clone.getGraph().getNode(pair.getLeft());
        if (null == node) {
            throw new WorkflowRuntimeException("Specified node not found:" + pair.getLeft());
        }
        Port candidatePort = null;
        List<DataPort> inPorts = node.getInputPorts();
        for (DataPort dataPort : inPorts) {
            if (pair.getRight().equals(dataPort.getID())) {
                candidatePort = dataPort;
                break;
            }
        }
        if (null == candidatePort) {
            throw new WorkflowRuntimeException("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));
            // original
            if (clone.getGraph().getNodes().size() < workflow.getGraph().getNodes().size() && // 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);
                }
                harvest.add(clone);
            }
        }
    }
    return harvest.toArray(new Workflow[0]);
}

Example 38 with GraphException

use of org.apache.airavata.workflow.model.graph.GraphException 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);
        }
    }
}