@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 void readNodeMemories(MarshallerReaderContext context, RuleData _session) {
for (ProtobufMessages.NodeMemory _node : _session.getNodeMemoryList()) {
Object memory = null;
switch (_node.getNodeType()) {
case ACCUMULATE:
{
Map<TupleKey, ProtobufMessages.FactHandle> map =
new HashMap<TupleKey, ProtobufMessages.FactHandle>();
for (ProtobufMessages.NodeMemory.AccumulateNodeMemory.AccumulateContext _ctx :
_node.getAccumulate().getContextList()) {
map.put(PersisterHelper.createTupleKey(_ctx.getTuple()), _ctx.getResultHandle());
}
memory = map;
break;
}
case RIA:
{
Map<TupleKey, ProtobufMessages.FactHandle> map =
new HashMap<TupleKey, ProtobufMessages.FactHandle>();
for (ProtobufMessages.NodeMemory.RIANodeMemory.RIAContext _ctx :
_node.getRia().getContextList()) {
map.put(PersisterHelper.createTupleKey(_ctx.getTuple()), _ctx.getResultHandle());
}
memory = map;
break;
}
case FROM:
{
Map<TupleKey, List<ProtobufMessages.FactHandle>> map =
new HashMap<TupleKey, List<ProtobufMessages.FactHandle>>();
for (ProtobufMessages.NodeMemory.FromNodeMemory.FromContext _ctx :
_node.getFrom().getContextList()) {
// have to instantiate a modifiable list
map.put(
PersisterHelper.createTupleKey(_ctx.getTuple()),
new LinkedList<ProtobufMessages.FactHandle>(_ctx.getHandleList()));
}
memory = map;
break;
}
case QUERY_ELEMENT:
{
Map<TupleKey, QueryElementContext> map = new HashMap<TupleKey, QueryElementContext>();
for (ProtobufMessages.NodeMemory.QueryElementNodeMemory.QueryContext _ctx :
_node.getQueryElement().getContextList()) {
// we have to use a "cloned" query element context as we need to write on it during
// deserialization process and the
// protobuf one is read-only
map.put(
PersisterHelper.createTupleKey(_ctx.getTuple()), new QueryElementContext(_ctx));
}
memory = map;
break;
}
default:
{
throw new IllegalArgumentException(
"Unknown node type " + _node.getNodeType() + " while deserializing session.");
}
}
context.nodeMemories.put(_node.getNodeId(), memory);
}
}
