/*
* public HashMap getLeafElements() { HashMap map = new HashMap(); Object[]
* elts = dataElements.values().toArray(); for (int j=0; j<elts.length; j++)
* { PDMDataElement data = (PDMDataElement) elts[j];
* map.put(data.getID(),data); } Object[] ops =
* operations.values().toArray(); for (int i=0; i<ops.length; i++){
* PDMOperation op = (PDMOperation) ops[i]; if
* (!(op.getInputElements().isEmpty())){ HashMap outs =
* op.getOutputElements(); Object[] outArray = outs.values().toArray(); for
* (int j=0; j<outArray.length; j++) { PDMDataElement d = (PDMDataElement)
* outArray[j]; map.remove(d.getID()); } } } return map; }
*/
public HashMap getLeafElements() {
HashMap result = new HashMap();
HashSet leafOps = getLeafOperations();
if (!(leafOps.isEmpty())) {
Iterator it = leafOps.iterator();
while (it.hasNext()) {
PDMOperation op = (PDMOperation) it.next();
PDMDataElement data = op.getOutputElement();
result.put(data.getID(), data);
}
} else {
Object[] elts = dataElements.values().toArray();
for (int j = 0; j < elts.length; j++) {
PDMDataElement data = (PDMDataElement) elts[j];
result.put(data.getID(), data);
}
Object[] ops = operations.values().toArray();
for (int i = 0; i < ops.length; i++) {
PDMOperation op = (PDMOperation) ops[i];
HashMap outs = op.getOutputElements();
Object[] outArray = outs.values().toArray();
for (int j = 0; j < outArray.length; j++) {
PDMDataElement d = (PDMDataElement) outArray[j];
result.remove(d.getID());
}
}
}
return result;
}
/**
* Returns a HashSet with the operations that have data element 'data' as output element.
*
* @param data PDMDataElement
* @return HashSet
*/
public HashSet getOperationsWithOutputElement(PDMDataElement data) {
HashSet opso = new HashSet();
Object[] ops = operations.values().toArray();
for (int i = 0; i < ops.length; i++) {
PDMOperation op = (PDMOperation) ops[i];
HashMap outputs = op.getOutputElements();
if (outputs.containsValue(data)) {
opso.add(op);
}
}
return opso;
}
/**
* Returns a HashMap with the preceeding data elements of data element 'data'
*
* @param data PDMDataElement
* @return HashMap
*/
public HashMap getPrecedingElements(PDMDataElement data) {
HashMap precs = new HashMap();
Object[] ops = operations.values().toArray();
for (int i = 0; i < ops.length; i++) {
PDMOperation op = (PDMOperation) ops[i];
if (op.getOutputElements().containsValue(data)) {
HashMap ins = op.getInputElements();
Object[] inputs = ins.values().toArray();
for (int j = 0; j < inputs.length; j++) {
PDMDataElement el = (PDMDataElement) inputs[j];
precs.put(el.getID(), el);
}
}
}
return precs;
}