public static void readFactHandles(
MarshallerReaderContext context,
org.drools.core.marshalling.impl.ProtobufMessages.EntryPoint _ep,
ObjectStore objectStore,
List<PropagationContextImpl> pctxs)
throws IOException, ClassNotFoundException {
InternalWorkingMemory wm = context.wm;
SessionEntryPoint entryPoint = context.wm.getEntryPoints().get(_ep.getEntryPointId());
// load the handles
for (ProtobufMessages.FactHandle _handle : _ep.getHandleList()) {
InternalFactHandle handle = readFactHandle(context, entryPoint, _handle);
context.handles.put(handle.getId(), handle);
if (!_handle.getIsJustified()) {
// BeliefSystem handles the Object type
if (handle.getObject() != null) {
objectStore.addHandle(handle, handle.getObject());
}
// add handle to object type node
assertHandleIntoOTN(context, wm, handle, pctxs);
}
}
}
private static ProtobufMessages.NodeMemory writeRIANodeMemory(
final int nodeId, final Memory memory) {
// for RIA nodes, we need to store the ID of the created handles
RIAMemory mem = (RIAMemory) memory;
if (!mem.memory.isEmpty()) {
ProtobufMessages.NodeMemory.RIANodeMemory.Builder _ria =
ProtobufMessages.NodeMemory.RIANodeMemory.newBuilder();
final org.drools.core.util.Iterator it = mem.memory.iterator();
// iterates over all propagated handles and assert them to the new sink
for (ObjectEntry entry = (ObjectEntry) it.next();
entry != null;
entry = (ObjectEntry) it.next()) {
LeftTuple leftTuple = (LeftTuple) entry.getKey();
InternalFactHandle handle = (InternalFactHandle) entry.getValue();
FactHandle _handle =
ProtobufMessages.FactHandle.newBuilder()
.setId(handle.getId())
.setRecency(handle.getRecency())
.build();
_ria.addContext(
ProtobufMessages.NodeMemory.RIANodeMemory.RIAContext.newBuilder()
.setTuple(PersisterHelper.createTuple(leftTuple))
.setResultHandle(_handle)
.build());
}
return ProtobufMessages.NodeMemory.newBuilder()
.setNodeId(nodeId)
.setNodeType(ProtobufMessages.NodeMemory.NodeType.RIA)
.setRia(_ria.build())
.build();
}
return null;
}
private static ProtobufMessages.NodeMemory writeQueryElementNodeMemory(
final int nodeId, final Memory memory, final InternalWorkingMemory wm) {
LeftTupleIterator it = LeftTupleIterator.iterator(wm, ((QueryElementNodeMemory) memory).node);
ProtobufMessages.NodeMemory.QueryElementNodeMemory.Builder _query =
ProtobufMessages.NodeMemory.QueryElementNodeMemory.newBuilder();
for (LeftTuple leftTuple = (LeftTuple) it.next();
leftTuple != null;
leftTuple = (LeftTuple) it.next()) {
InternalFactHandle handle = (InternalFactHandle) leftTuple.getObject();
FactHandle _handle =
ProtobufMessages.FactHandle.newBuilder()
.setId(handle.getId())
.setRecency(handle.getRecency())
.build();
ProtobufMessages.NodeMemory.QueryElementNodeMemory.QueryContext.Builder _context =
ProtobufMessages.NodeMemory.QueryElementNodeMemory.QueryContext.newBuilder()
.setTuple(PersisterHelper.createTuple(leftTuple))
.setHandle(_handle);
LeftTuple childLeftTuple = leftTuple.getFirstChild();
while (childLeftTuple != null) {
RightTuple rightParent = childLeftTuple.getRightParent();
_context.addResult(
ProtobufMessages.FactHandle.newBuilder()
.setId(rightParent.getFactHandle().getId())
.setRecency(rightParent.getFactHandle().getRecency())
.build());
while (childLeftTuple != null && childLeftTuple.getRightParent() == rightParent) {
// skip to the next child that has a different right parent
childLeftTuple = childLeftTuple.getLeftParentNext();
}
}
_query.addContext(_context.build());
}
return _query.getContextCount() > 0
? ProtobufMessages.NodeMemory.newBuilder()
.setNodeId(nodeId)
.setNodeType(ProtobufMessages.NodeMemory.NodeType.QUERY_ELEMENT)
.setQueryElement(_query.build())
.build()
: null;
}
private static ProtobufMessages.NodeMemory writeRIANodeMemory(
final int nodeId,
final MarshallerWriteContext context,
final BaseNode node,
final NodeMemories memories,
final Memory memory) {
RightInputAdapterNode riaNode = (RightInputAdapterNode) node;
ObjectSink[] sinks = riaNode.getSinkPropagator().getSinks();
BetaNode betaNode = (BetaNode) sinks[0];
Memory betaMemory = memories.peekNodeMemory(betaNode.getId());
if (betaMemory == null) {
return null;
}
BetaMemory bm;
if (betaNode.getType() == NodeTypeEnums.AccumulateNode) {
bm = ((AccumulateMemory) betaMemory).getBetaMemory();
} else {
bm = (BetaMemory) betaMemory;
}
// for RIA nodes, we need to store the ID of the created handles
bm.getRightTupleMemory().iterator();
if (bm.getRightTupleMemory().size() > 0) {
ProtobufMessages.NodeMemory.RIANodeMemory.Builder _ria =
ProtobufMessages.NodeMemory.RIANodeMemory.newBuilder();
final org.drools.core.util.Iterator it = bm.getRightTupleMemory().iterator();
// iterates over all propagated handles and assert them to the new sink
for (RightTuple entry = (RightTuple) it.next();
entry != null;
entry = (RightTuple) it.next()) {
LeftTuple leftTuple = (LeftTuple) entry.getFactHandle().getObject();
InternalFactHandle handle = (InternalFactHandle) leftTuple.getObject();
FactHandle _handle =
ProtobufMessages.FactHandle.newBuilder()
.setId(handle.getId())
.setRecency(handle.getRecency())
.build();
_ria.addContext(
ProtobufMessages.NodeMemory.RIANodeMemory.RIAContext.newBuilder()
.setTuple(PersisterHelper.createTuple(leftTuple))
.setResultHandle(_handle)
.build());
}
return ProtobufMessages.NodeMemory.newBuilder()
.setNodeId(nodeId)
.setNodeType(ProtobufMessages.NodeMemory.NodeType.RIA)
.setRia(_ria.build())
.build();
}
return null;
}
private static ProtobufMessages.FactHandle writeFactHandle(
MarshallerWriteContext context,
ObjectMarshallingStrategyStore objectMarshallingStrategyStore,
InternalFactHandle handle)
throws IOException {
ProtobufMessages.FactHandle.Builder _handle = ProtobufMessages.FactHandle.newBuilder();
_handle.setType(getHandleType(handle));
_handle.setId(handle.getId());
_handle.setRecency(handle.getRecency());
if (_handle.getType() == ProtobufMessages.FactHandle.HandleType.EVENT) {
// is event
EventFactHandle efh = (EventFactHandle) handle;
_handle.setTimestamp(efh.getStartTimestamp());
_handle.setDuration(efh.getDuration());
_handle.setIsExpired(efh.isExpired());
_handle.setActivationsCount(efh.getActivationsCount());
}
if (handle.getEqualityKey() != null
&& handle.getEqualityKey().getStatus() == EqualityKey.JUSTIFIED) {
_handle.setIsJustified(true);
} else {
_handle.setIsJustified(false);
}
Object object = handle.getObject();
if (object != null) {
ObjectMarshallingStrategy strategy = objectMarshallingStrategyStore.getStrategyObject(object);
Integer index = context.getStrategyIndex(strategy);
_handle.setStrategyIndex(index.intValue());
_handle.setObject(
ByteString.copyFrom(
strategy.marshal(context.strategyContext.get(strategy), context, object)));
}
return _handle.build();
}
private static ProtobufMessages.FactHandle writeFactHandle(
MarshallerWriteContext context,
ObjectMarshallingStrategyStore objectMarshallingStrategyStore,
InternalFactHandle handle)
throws IOException {
ProtobufMessages.FactHandle.Builder _handle = ProtobufMessages.FactHandle.newBuilder();
_handle.setType(getHandleType(handle));
_handle.setId(handle.getId());
_handle.setRecency(handle.getRecency());
if (_handle.getType() == ProtobufMessages.FactHandle.HandleType.EVENT) {
// is event
EventFactHandle efh = (EventFactHandle) handle;
_handle.setTimestamp(efh.getStartTimestamp());
_handle.setDuration(efh.getDuration());
_handle.setIsExpired(efh.isExpired());
_handle.setActivationsCount(efh.getActivationsCount());
}
Object object = handle.getObject();
if (object != null) {
ObjectMarshallingStrategy strategy = objectMarshallingStrategyStore.getStrategyObject(object);
String strategyClassName = strategy.getClass().getName();
Integer index = context.usedStrategies.get(strategyClassName);
if (index == null) {
index = Integer.valueOf(context.usedStrategies.size());
context.usedStrategies.put(strategyClassName, index);
}
_handle.setStrategyIndex(index.intValue());
_handle.setObject(ByteString.copyFrom(strategy.marshal(context, object)));
}
return _handle.build();
}
@SuppressWarnings("unchecked")
private static ProtobufMessages.NodeMemory writeFromNodeMemory(
final int nodeId, final Memory memory) {
FromMemory fromMemory = (FromMemory) memory;
if (fromMemory.betaMemory.getLeftTupleMemory().size() > 0) {
ProtobufMessages.NodeMemory.FromNodeMemory.Builder _from =
ProtobufMessages.NodeMemory.FromNodeMemory.newBuilder();
final org.drools.core.util.Iterator tupleIter =
fromMemory.betaMemory.getLeftTupleMemory().iterator();
for (LeftTuple leftTuple = (LeftTuple) tupleIter.next();
leftTuple != null;
leftTuple = (LeftTuple) tupleIter.next()) {
Map<Object, RightTuple> matches = (Map<Object, RightTuple>) leftTuple.getObject();
ProtobufMessages.NodeMemory.FromNodeMemory.FromContext.Builder _context =
ProtobufMessages.NodeMemory.FromNodeMemory.FromContext.newBuilder()
.setTuple(PersisterHelper.createTuple(leftTuple));
for (RightTuple rightTuple : matches.values()) {
FactHandle _handle =
ProtobufMessages.FactHandle.newBuilder()
.setId(rightTuple.getFactHandle().getId())
.setRecency(rightTuple.getFactHandle().getRecency())
.build();
_context.addHandle(_handle);
}
_from.addContext(_context.build());
}
return ProtobufMessages.NodeMemory.newBuilder()
.setNodeId(nodeId)
.setNodeType(ProtobufMessages.NodeMemory.NodeType.FROM)
.setFrom(_from.build())
.build();
}
return null;
}
private static ProtobufMessages.NodeMemory writeAccumulateNodeMemory(
final int nodeId, final Memory memory) {
// for accumulate nodes, we need to store the ID of created (result) handles
AccumulateMemory accmem = (AccumulateMemory) memory;
if (accmem.betaMemory.getLeftTupleMemory().size() > 0) {
ProtobufMessages.NodeMemory.AccumulateNodeMemory.Builder _accumulate =
ProtobufMessages.NodeMemory.AccumulateNodeMemory.newBuilder();
final org.drools.core.util.Iterator tupleIter =
accmem.betaMemory.getLeftTupleMemory().iterator();
for (LeftTuple leftTuple = (LeftTuple) tupleIter.next();
leftTuple != null;
leftTuple = (LeftTuple) tupleIter.next()) {
AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
if (accctx.result != null) {
FactHandle _handle =
ProtobufMessages.FactHandle.newBuilder()
.setId(accctx.result.getFactHandle().getId())
.setRecency(accctx.result.getFactHandle().getRecency())
.build();
_accumulate.addContext(
ProtobufMessages.NodeMemory.AccumulateNodeMemory.AccumulateContext.newBuilder()
.setTuple(PersisterHelper.createTuple(leftTuple))
.setResultHandle(_handle)
.build());
}
}
return ProtobufMessages.NodeMemory.newBuilder()
.setNodeId(nodeId)
.setNodeType(ProtobufMessages.NodeMemory.NodeType.ACCUMULATE)
.setAccumulate(_accumulate.build())
.build();
}
return null;
}
private static ProtobufMessages.KnowledgeSession serializeSession(MarshallerWriteContext context)
throws IOException {
ReteooWorkingMemory wm = (ReteooWorkingMemory) context.wm;
wm.getAgenda().unstageActivations();
ProtobufMessages.RuleData.Builder _ruleData = ProtobufMessages.RuleData.newBuilder();
final boolean multithread = wm.isPartitionManagersActive();
if (multithread) {
wm.stopPartitionManagers();
}
long time = 0;
if (context.wm.getTimerService() instanceof PseudoClockScheduler) {
time = context.clockTime;
}
_ruleData.setLastId(wm.getFactHandleFactory().getId());
_ruleData.setLastRecency(wm.getFactHandleFactory().getRecency());
InternalFactHandle handle = context.wm.getInitialFactHandle();
ProtobufMessages.FactHandle _ifh =
ProtobufMessages.FactHandle.newBuilder()
.setType(ProtobufMessages.FactHandle.HandleType.INITIAL_FACT)
.setId(handle.getId())
.setRecency(handle.getRecency())
.build();
_ruleData.setInitialFact(_ifh);
writeAgenda(context, _ruleData);
writeNodeMemories(context, _ruleData);
for (WorkingMemoryEntryPoint wmep : wm.getEntryPoints().values()) {
org.drools.marshalling.impl.ProtobufMessages.EntryPoint.Builder _epb =
ProtobufMessages.EntryPoint.newBuilder();
_epb.setEntryPointId(wmep.getEntryPointId());
writeFactHandles(context, _epb, ((NamedEntryPoint) wmep).getObjectStore());
_ruleData.addEntryPoint(_epb.build());
}
writeActionQueue(context, _ruleData);
writeTruthMaintenanceSystem(context, _ruleData);
ProtobufMessages.KnowledgeSession.Builder _session =
ProtobufMessages.KnowledgeSession.newBuilder()
.setMultithread(multithread)
.setTime(time)
.setRuleData(_ruleData.build());
if (processMarshaller != null) {
Builder _pdata = ProtobufMessages.ProcessData.newBuilder();
if (context.marshalProcessInstances) {
context.parameterObject = _pdata;
processMarshaller.writeProcessInstances(context);
}
if (context.marshalWorkItems) {
context.parameterObject = _pdata;
processMarshaller.writeWorkItems(context);
}
// this now just assigns the writer, it will not write out any timer information
context.parameterObject = _pdata;
processMarshaller.writeProcessTimers(context);
_session.setProcessData(_pdata.build());
}
Timers _timers = writeTimers(context.wm.getTimerService().getTimerJobInstances(), context);
if (_timers != null) {
_session.setTimers(_timers);
}
if (multithread) {
wm.startPartitionManagers();
}
return _session.build();
}
private static ProtobufMessages.KnowledgeSession serializeSession(MarshallerWriteContext context)
throws IOException {
StatefulKnowledgeSessionImpl wm = (StatefulKnowledgeSessionImpl) context.wm;
try {
wm.getLock().lock();
for (WorkingMemoryEntryPoint ep : wm.getWorkingMemoryEntryPoints().values()) {
if (ep instanceof NamedEntryPoint) {
((NamedEntryPoint) ep).lock();
}
}
((InternalAgenda) wm.getAgenda()).unstageActivations();
evaluateRuleActivations(wm);
ProtobufMessages.RuleData.Builder _ruleData = ProtobufMessages.RuleData.newBuilder();
long time = 0;
if (context.wm.getTimerService() instanceof PseudoClockScheduler) {
time = context.clockTime;
}
_ruleData.setLastId(wm.getFactHandleFactory().getId());
_ruleData.setLastRecency(wm.getFactHandleFactory().getRecency());
InternalFactHandle handle = context.wm.getInitialFactHandle();
if (handle != null) {
// can be null for RETE, if fireAllRules has not yet been called
ProtobufMessages.FactHandle _ifh =
ProtobufMessages.FactHandle.newBuilder()
.setType(ProtobufMessages.FactHandle.HandleType.INITIAL_FACT)
.setId(handle.getId())
.setRecency(handle.getRecency())
.build();
_ruleData.setInitialFact(_ifh);
}
writeAgenda(context, _ruleData);
writeNodeMemories(context, _ruleData);
for (EntryPoint wmep : wm.getWorkingMemoryEntryPoints().values()) {
org.drools.core.marshalling.impl.ProtobufMessages.EntryPoint.Builder _epb =
ProtobufMessages.EntryPoint.newBuilder();
_epb.setEntryPointId(wmep.getEntryPointId());
writeObjectTypeConfiguration(
context,
((InternalWorkingMemoryEntryPoint) wmep).getObjectTypeConfigurationRegistry(),
_epb);
writeFactHandles(context, _epb, ((NamedEntryPoint) wmep).getObjectStore());
writeTruthMaintenanceSystem(context, wmep, _epb);
_ruleData.addEntryPoint(_epb.build());
}
writeActionQueue(context, _ruleData);
ProtobufMessages.KnowledgeSession.Builder _session =
ProtobufMessages.KnowledgeSession.newBuilder()
.setMultithread(false)
.setTime(time)
.setRuleData(_ruleData.build());
if (processMarshaller != null) {
Builder _pdata = ProtobufMessages.ProcessData.newBuilder();
if (context.marshalProcessInstances) {
context.parameterObject = _pdata;
processMarshaller.writeProcessInstances(context);
}
if (context.marshalWorkItems) {
context.parameterObject = _pdata;
processMarshaller.writeWorkItems(context);
}
// this now just assigns the writer, it will not write out any timer information
context.parameterObject = _pdata;
processMarshaller.writeProcessTimers(context);
_session.setProcessData(_pdata.build());
}
Timers _timers =
writeTimers(
context.wm.getTimerService().getTimerJobInstances(context.wm.getId()), context);
if (_timers != null) {
_session.setTimers(_timers);
}
return _session.build();
} finally {
for (WorkingMemoryEntryPoint ep : wm.getWorkingMemoryEntryPoints().values()) {
if (ep instanceof NamedEntryPoint) {
((NamedEntryPoint) ep).unlock();
}
}
wm.getLock().unlock();
}
}
