/**
* Takes the asserted <code>ReteTuple</code> received from the <code>TupleSource</code> and
* adapts it into a FactHandleImpl
*
* @param tuple
* The asserted <code>ReteTuple</code>.
* @param context
* The <code>PropagationContext</code> of the <code>WorkingMemory<code> action.
* @param workingMemory
* the <code>WorkingMemory</code> session.
*/
public void assertLeftTuple(
final LeftTuple leftTuple,
final PropagationContext context,
final InternalWorkingMemory workingMemory) {
// creating a dummy fact handle to wrap the tuple
final InternalFactHandle handle =
workingMemory
.getFactHandleFactory()
.newFactHandle(
leftTuple,
workingMemory
.getObjectTypeConfigurationRegistry()
.getObjectTypeConf(context.getEntryPoint(), leftTuple),
workingMemory,
null);
boolean useLeftMemory = true;
if (!this.tupleMemoryEnabled) {
// This is a hack, to not add closed DroolsQuery objects
Object object = ((InternalFactHandle) leftTuple.get(0)).getObject();
if (!(object instanceof DroolsQuery) || !((DroolsQuery) object).isOpen()) {
useLeftMemory = false;
}
}
if (useLeftMemory) {
final ObjectHashMap memory = (ObjectHashMap) workingMemory.getNodeMemory(this);
// add it to a memory mapping
memory.put(leftTuple, handle);
}
// propagate it
this.sink.propagateAssertObject(handle, context, workingMemory);
}
@SuppressWarnings("unchecked")
private InternalFactHandle createResultFactHandle(
final PropagationContext context,
final InternalWorkingMemory workingMemory,
final LeftTuple leftTuple,
final Object result) {
InternalFactHandle handle = null;
ProtobufMessages.FactHandle _handle = null;
if (context.getReaderContext() != null) {
Map<ProtobufInputMarshaller.TupleKey, ProtobufMessages.FactHandle> map =
(Map<ProtobufInputMarshaller.TupleKey, ProtobufMessages.FactHandle>)
context.getReaderContext().nodeMemories.get(getId());
if (map != null) {
_handle = map.get(PersisterHelper.createTupleKey(leftTuple));
}
}
if (_handle != null) {
// create a handle with the given id
handle =
workingMemory
.getFactHandleFactory()
.newFactHandle(
_handle.getId(),
result,
_handle.getRecency(),
workingMemory
.getObjectTypeConfigurationRegistry()
.getObjectTypeConf(context.getEntryPoint(), result),
workingMemory,
null); // so far, result is not an event
} else {
handle =
workingMemory
.getFactHandleFactory()
.newFactHandle(
result,
workingMemory
.getObjectTypeConfigurationRegistry()
.getObjectTypeConf(context.getEntryPoint(), result),
workingMemory,
null); // so far, result is not an event
}
return handle;
}
