private FieldIndex findFieldIndex(final int index) {
for (FieldIndex node = this.hashedFieldIndexes.getFirst();
node != null;
node = node.getNext()) {
if (node.getIndex() == index) {
return node;
}
}
return null;
}
public void byPassModifyToBetaNode(
final InternalFactHandle factHandle,
final ModifyPreviousTuples modifyPreviousTuples,
final PropagationContext context,
final InternalWorkingMemory workingMemory) {
final Object object = factHandle.getObject();
// We need to iterate in the same order as the assert
if (this.hashedFieldIndexes != null) {
// Iterate the FieldIndexes to see if any are hashed
for (FieldIndex fieldIndex = this.hashedFieldIndexes.getFirst();
fieldIndex != null;
fieldIndex = fieldIndex.getNext()) {
if (!fieldIndex.isHashed()) {
continue;
}
// this field is hashed so set the existing hashKey and see if there is a sink for it
final AlphaNode sink = (AlphaNode) this.hashedSinkMap.get(new HashKey(fieldIndex, object));
if (sink != null) {
// only alpha nodes are hashable
sink.getObjectSinkPropagator()
.byPassModifyToBetaNode(factHandle, modifyPreviousTuples, context, workingMemory);
}
}
}
// propagate unhashed
if (this.hashableSinks != null) {
for (ObjectSinkNode sink = this.hashableSinks.getFirst();
sink != null;
sink = sink.getNextObjectSinkNode()) {
// only alpha nodes are hashable
((AlphaNode) sink)
.getObjectSinkPropagator()
.byPassModifyToBetaNode(factHandle, modifyPreviousTuples, context, workingMemory);
}
}
if (this.otherSinks != null) {
// propagate others
for (ObjectSinkNode sink = this.otherSinks.getFirst();
sink != null;
sink = sink.getNextObjectSinkNode()) {
// compound alpha, lianode or betanode
sink.byPassModifyToBetaNode(factHandle, modifyPreviousTuples, context, workingMemory);
}
}
}
public ObjectSink[] getSinks() {
if (this.sinks != null) {
return sinks;
}
ObjectSink[] sinks = new ObjectSink[size()];
int at = 0;
if (this.hashedFieldIndexes != null) {
// Iterate the FieldIndexes to see if any are hashed
for (FieldIndex fieldIndex = this.hashedFieldIndexes.getFirst();
fieldIndex != null;
fieldIndex = fieldIndex.getNext()) {
if (!fieldIndex.isHashed()) {
continue;
}
// this field is hashed so set the existing hashKey and see if there is a sink for it
final int index = fieldIndex.getIndex();
final Iterator it = this.hashedSinkMap.newIterator();
for (ObjectEntry entry = (ObjectEntry) it.next();
entry != null;
entry = (ObjectEntry) it.next()) {
HashKey hashKey = (HashKey) entry.getKey();
if (hashKey.getIndex() == index) {
sinks[at++] = (ObjectSink) entry.getValue();
}
}
}
}
if (this.hashableSinks != null) {
for (ObjectSinkNode sink = this.hashableSinks.getFirst();
sink != null;
sink = sink.getNextObjectSinkNode()) {
sinks[at++] = sink;
}
}
if (this.otherSinks != null) {
for (ObjectSinkNode sink = this.otherSinks.getFirst();
sink != null;
sink = sink.getNextObjectSinkNode()) {
sinks[at++] = sink;
}
}
this.sinks = sinks;
return sinks;
}
public void propagateModifyObject(
final InternalFactHandle factHandle,
final ModifyPreviousTuples modifyPreviousTuples,
final PropagationContext context,
final InternalWorkingMemory workingMemory) {
final Object object = factHandle.getObject();
// Iterates the FieldIndex collection, which tells you if particularly field is hashed or not
// if the field is hashed then it builds the hashkey to return the correct sink for the current
// objects slot's
// value, one object may have multiple fields indexed.
if (this.hashedFieldIndexes != null) {
// Iterate the FieldIndexes to see if any are hashed
for (FieldIndex fieldIndex = this.hashedFieldIndexes.getFirst();
fieldIndex != null;
fieldIndex = fieldIndex.getNext()) {
if (!fieldIndex.isHashed()) {
continue;
}
// this field is hashed so set the existing hashKey and see if there is a sink for it
final AlphaNode sink = (AlphaNode) this.hashedSinkMap.get(new HashKey(fieldIndex, object));
if (sink != null) {
// go straight to the AlphaNode's propagator, as we know it's true and no need to retest
sink.getObjectSinkPropagator()
.propagateModifyObject(factHandle, modifyPreviousTuples, context, workingMemory);
}
}
}
// propagate unhashed
if (this.hashableSinks != null) {
for (ObjectSinkNode sink = this.hashableSinks.getFirst();
sink != null;
sink = sink.getNextObjectSinkNode()) {
doPropagateModifyObject(factHandle, modifyPreviousTuples, context, workingMemory, sink);
}
}
if (this.otherSinks != null) {
// propagate others
for (ObjectSinkNode sink = this.otherSinks.getFirst();
sink != null;
sink = sink.getNextObjectSinkNode()) {
doPropagateModifyObject(factHandle, modifyPreviousTuples, context, workingMemory, sink);
}
}
}
