public void updateSink(
final ObjectSink sink,
final PropagationContext context,
final InternalWorkingMemory workingMemory) {
// @todo
// JBRULES-612: the cache MUST be invalidated when a new node type is added to the network, so
// iterate and reset all caches.
final ObjectTypeNode node = (ObjectTypeNode) sink;
final ObjectType newObjectType = node.getObjectType();
InternalWorkingMemoryEntryPoint wmEntryPoint =
(InternalWorkingMemoryEntryPoint)
workingMemory.getWorkingMemoryEntryPoint(this.entryPoint.getEntryPointId());
for (ObjectTypeConf objectTypeConf :
wmEntryPoint.getObjectTypeConfigurationRegistry().values()) {
if (newObjectType.isAssignableFrom(
objectTypeConf.getConcreteObjectTypeNode().getObjectType())) {
objectTypeConf.resetCache();
ObjectTypeNode sourceNode = objectTypeConf.getConcreteObjectTypeNode();
Iterator it =
((ObjectTypeNodeMemory) workingMemory.getNodeMemory(sourceNode)).memory.iterator();
for (ObjectEntry entry = (ObjectEntry) it.next();
entry != null;
entry = (ObjectEntry) it.next()) {
sink.assertObject((InternalFactHandle) entry.getValue(), context, workingMemory);
}
}
}
}
public void dispose() {
if (dynamicFacts != null) {
// first we check for facts that were inserted into the working memory
// using the old API and setting a per instance dynamic flag and remove the
// session from the listeners list in the bean
for (InternalFactHandle handle : dynamicFacts) {
removePropertyChangeListener(handle, false);
}
dynamicFacts = null;
}
for (ObjectTypeConf conf : this.typeConfReg.values()) {
// then, we check if any of the object types were configured using the
// @propertyChangeSupport annotation, and clean them up
if (conf.isDynamic() && conf.isSupportsPropertyChangeListeners()) {
// it is enough to iterate the facts on the concrete object type nodes
// only, as the facts will always be in their concrete object type nodes
// even if they were also asserted into higher level OTNs as well
ObjectTypeNode otn = conf.getConcreteObjectTypeNode();
final ObjectHashSet memory =
((ObjectTypeNodeMemory) this.getInternalWorkingMemory().getNodeMemory(otn)).memory;
Iterator it = memory.iterator();
for (ObjectEntry entry = (ObjectEntry) it.next();
entry != null;
entry = (ObjectEntry) it.next()) {
InternalFactHandle handle = (InternalFactHandle) entry.getValue();
removePropertyChangeListener(handle, false);
}
}
}
}
/**
* When L&R Unlinking is enabled, updateSink() is used to populate a node's memory, but it has to
* take into account if it's propagating.
*/
private void updateLRUnlinking(
final ObjectSink sink,
final PropagationContext context,
final InternalWorkingMemory workingMemory) {
final ObjectHashSet memory = (ObjectHashSet) workingMemory.getNodeMemory(this);
Iterator it = memory.iterator();
InternalFactHandle ctxHandle = (InternalFactHandle) context.getFactHandle();
if (!context.isPropagating(this)
|| (context.isPropagating(this) && context.shouldPropagateAll())) {
for (ObjectEntry entry = (ObjectEntry) it.next();
entry != null;
entry = (ObjectEntry) it.next()) {
// Assert everything
sink.assertObject((InternalFactHandle) entry.getValue(), context, workingMemory);
}
} else {
for (ObjectEntry entry = (ObjectEntry) it.next();
entry != null;
entry = (ObjectEntry) it.next()) {
InternalFactHandle handle = (InternalFactHandle) entry.getValue();
// Exclude the current fact propagation
if (handle.getId() != ctxHandle.getId()) {
sink.assertObject(handle, context, workingMemory);
}
}
}
}
/**
* OTN needs to override remove to avoid releasing the node ID, since OTN are never removed from
* the rulebase in the current implementation
*/
protected void doRemove(
final RuleRemovalContext context,
final ReteooBuilder builder,
final BaseNode node,
final InternalWorkingMemory[] workingMemories) {
if (context.getCleanupAdapter() != null) {
for (InternalWorkingMemory workingMemory : workingMemories) {
CleanupAdapter adapter = context.getCleanupAdapter();
final ObjectHashSet memory = (ObjectHashSet) workingMemory.getNodeMemory(this);
Iterator it = memory.iterator();
for (ObjectEntry entry = (ObjectEntry) it.next();
entry != null;
entry = (ObjectEntry) it.next()) {
InternalFactHandle handle = (InternalFactHandle) entry.getValue();
for (LeftTuple leftTuple = handle.getFirstLeftTuple();
leftTuple != null;
leftTuple = leftTuple.getLeftParentNext()) {
adapter.cleanUp(leftTuple, workingMemory);
}
}
}
context.setCleanupAdapter(null);
}
if (!node.isInUse()) {
removeObjectSink((ObjectSink) node);
}
}
public void updateSink(
final ObjectSink sink,
final PropagationContext context,
final InternalWorkingMemory workingMemory) {
if (lrUnlinkingEnabled) {
// Update sink taking into account L&R unlinking peculiarities
updateLRUnlinking(sink, context, workingMemory);
} else {
// Regular updateSink
final ObjectHashSet memory = (ObjectHashSet) workingMemory.getNodeMemory(this);
Iterator it = memory.iterator();
for (ObjectEntry entry = (ObjectEntry) it.next();
entry != null;
entry = (ObjectEntry) it.next()) {
sink.assertObject((InternalFactHandle) entry.getValue(), context, workingMemory);
}
}
}