public static Integer[] getNumberOfInputsForForEachNode(
final ForEachNode forEachNode, Map<Node, Invoker> invokerMap) throws WorkflowException {
List<DataPort> inputPorts = forEachNode.getInputPorts();
Integer[] inputNumbers = new Integer[inputPorts.size()];
for (DataPort forEachInputPort : inputPorts) {
// if input node for for-each is WSNode
Node forEachInputNode = forEachInputPort.getFromNode();
int index = 0;
Object returnValForProvenance = null;
if (forEachInputNode instanceof InputNode) {
returnValForProvenance = InterpreterUtil.findInputFromPort(forEachInputPort, invokerMap);
if (null == returnValForProvenance) {
throw new WorkFlowInterpreterException(
"Unable to find input for the node:" + forEachNode.getID());
}
String[] vals = StringUtil.getElementsFromString(returnValForProvenance.toString());
inputNumbers[inputPorts.indexOf(forEachInputPort)] = vals.length;
} 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) {
index++;
}
}
} 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) {
index++;
}
}
}
}
inputNumbers[inputPorts.indexOf(forEachInputPort)] = index;
} else if (workflowInvoker instanceof SystemComponentInvoker) {
int portIndex =
forEachInputNode
.getOutputPorts()
.indexOf(forEachInputPort.getEdge(0).getFromPort());
String outputName = "";
if (forEachInputNode.getInputPort(portIndex) instanceof SystemDataPort) {
outputName =
((SystemDataPort) forEachInputNode.getInputPort(portIndex))
.getWSComponentPort()
.getName();
} else if (forEachInputNode.getInputPort(portIndex) instanceof WSPort) {
outputName =
((WSPort) forEachInputNode.getInputPort(portIndex)).getComponentPort().getName();
}
returnValForProvenance = workflowInvoker.getOutput(outputName);
XmlElement msgElmt =
XmlConstants.BUILDER.parseFragmentFromString(
"<temp>" + returnValForProvenance + "</temp>");
Iterator valItr = msgElmt.children().iterator();
while (valItr.hasNext()) {
Object object2 = valItr.next();
if (object2 instanceof XmlElement) {
index++;
}
}
inputNumbers[inputPorts.indexOf(forEachInputPort)] = index;
}
} else {
throw new WorkFlowInterpreterException("Did not find inputs from WS to foreach");
}
}
}
return inputNumbers;
}
/**
* This method returns the input values for given foreach node
*
* @param forEachNode
* @param listOfValues
* @param invokerMap
* @return
* @throws WorkflowException
*/
public static Object getInputsForForEachNode(
final ForEachNode forEachNode,
final LinkedList<String> listOfValues,
Map<Node, Invoker> invokerMap)
throws WorkflowException {
List<DataPort> inputPorts = forEachNode.getInputPorts();
Object returnValForProvenance = null;
for (DataPort inputPort : inputPorts) {
Node inputNode = inputPort.getFromNode();
// if input node for for-each is WSNode
if (inputNode instanceof InputNode) {
// for (DataPort dataPort : forEachNode.getInputPorts()) {
returnValForProvenance = InterpreterUtil.findInputFromPort(inputPort, invokerMap);
if (null == returnValForProvenance) {
throw new WorkFlowInterpreterException(
"Unable to find input for the node:" + forEachNode.getID());
}
String[] vals = StringUtil.getElementsFromString(returnValForProvenance.toString());
listOfValues.addAll(Arrays.asList(vals));
// }
} else {
Invoker workflowInvoker = invokerMap.get(inputNode);
if (workflowInvoker != null) {
if (workflowInvoker instanceof GenericInvoker) {
String outputName = inputNode.getOutputPort(0).getName();
returnValForProvenance = workflowInvoker.getOutput(outputName);
Iterator children = null;
if (returnValForProvenance instanceof org.xmlpull.v1.builder.XmlElement) {
org.xmlpull.v1.builder.XmlElement msgElmt =
(org.xmlpull.v1.builder.XmlElement) returnValForProvenance;
children = msgElmt.children();
} else {
XmlElement msgElmt =
XmlConstants.BUILDER.parseFragmentFromString(
"<temp>" + returnValForProvenance + "</temp>");
children = msgElmt.children().iterator();
}
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());
}
}
}
if (object instanceof XmlElement) {
listOfValues.add(((XmlElement) object).children().iterator().next().toString());
}
if (object instanceof String) {
listOfValues.add(object.toString());
}
}
} else if (workflowInvoker instanceof SystemComponentInvoker) {
int index = inputNode.getOutputPorts().indexOf(inputPort.getEdge(0).getFromPort());
String outputName = "";
if (inputNode.getInputPort(index) instanceof SystemDataPort) {
outputName =
((SystemDataPort) inputNode.getInputPort(index)).getWSComponentPort().getName();
} else if (inputNode.getInputPort(index) instanceof WSPort) {
outputName =
((SystemDataPort)
inputNode.getInputPort(
inputNode
.getOutputPorts()
.indexOf(inputPort.getEdge(0).getFromPort())))
.getWSComponentPort()
.getName();
}
returnValForProvenance = workflowInvoker.getOutput(outputName);
XmlElement msgElmt =
XmlConstants.BUILDER.parseFragmentFromString(
"<temp>" + returnValForProvenance + "</temp>");
Iterator valItr = msgElmt.children().iterator();
while (valItr.hasNext()) {
Object object2 = valItr.next();
if (object2 instanceof XmlElement) {
listOfValues.add(((XmlElement) object2).children().iterator().next().toString());
}
}
}
} else {
throw new WorkFlowInterpreterException("Did not find inputs from WS to foreach");
}
}
}
return returnValForProvenance;
}
/**
* @param inputPort
* @param invokerMap
* @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 DifferedInputNode
&& ((DifferedInputNode) fromNode).isConfigured()) {
outputVal = ((DifferedInputNode) fromNode).getDefaultValue();
} else if (fromNode instanceof EndifNode
|| fromNode instanceof DoWhileNode
|| fromNode instanceof EndDoWhileNode) {
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 = "";
if (inputPort instanceof SystemDataPort) {
outputName = ((SystemDataPort) inputPort).getWSComponentPort().getName();
} else if (inputPort instanceof WSPort) {
outputName =
((SystemDataPort)
fromNode.getInputPort(
fromNode.getOutputPorts().indexOf(inputPort.getEdge(0).getFromPort())))
.getWSComponentPort()
.getName();
}
XmlElement msgElmt =
XmlConstants.BUILDER.parseFragmentFromString(
"<temp>" + workflowInvoker.getOutput(outputName) + "</temp>");
Iterator valItr = msgElmt.children().iterator();
while (valItr.hasNext()) {
Object object2 = valItr.next();
if (object2 instanceof XmlElement) {
if (((XmlElement) object2).children().iterator().hasNext()) {
outputVal =
outputVal
+ StringUtil.DELIMETER
+ StringUtil.quoteString(
((XmlElement) object2).children().iterator().next().toString());
}
}
}
if (((String) outputVal).length() == 0) {
throw new WorkflowException("Empty Output Generated");
}
outputVal = ((String) outputVal).substring(1, ((String) outputVal).length());
} else {
Invoker fromInvoker = invokerMap.get(fromNode);
try {
if (fromInvoker != null)
outputVal = fromInvoker.getOutput(inputPort.getFromPort().getName());
} catch (Exception e) {
// if the value is still null look it up from the inputport name
// because the value is set to the input port name at some point
// there is no harm in doing this
if (null == outputVal) {
outputVal = fromInvoker.getOutput(inputPort.getName());
}
}
}
return outputVal;
}