public static void readPropagationContext(MarshallerReaderContext context) throws IOException {
ObjectInputStream stream = context.stream;
InternalRuleBase ruleBase = context.ruleBase;
int type = stream.readInt();
Rule rule = null;
if (stream.readBoolean()) {
String pkgName = stream.readUTF();
String ruleName = stream.readUTF();
Package pkg = ruleBase.getPackage(pkgName);
rule = pkg.getRule(ruleName);
}
LeftTuple leftTuple = null;
if (stream.readBoolean()) {
int tuplePos = stream.readInt();
leftTuple = context.terminalTupleMap.get(tuplePos);
}
long propagationNumber = stream.readLong();
int factHandleId = stream.readInt();
InternalFactHandle factHandle = context.handles.get(factHandleId);
int activeActivations = stream.readInt();
int dormantActivations = stream.readInt();
String entryPointId = stream.readUTF();
EntryPoint entryPoint = context.entryPoints.get(entryPointId);
if (entryPoint == null) {
entryPoint = new EntryPoint(entryPointId);
context.entryPoints.put(entryPointId, entryPoint);
}
PropagationContext pc =
new PropagationContextImpl(
propagationNumber,
type,
rule,
leftTuple,
factHandle,
activeActivations,
dormantActivations,
entryPoint);
context.propagationContexts.put(propagationNumber, pc);
}
public static Activation readActivation(MarshallerReaderContext context) throws IOException {
ObjectInputStream stream = context.stream;
InternalRuleBase ruleBase = context.ruleBase;
InternalWorkingMemory wm = context.wm;
long activationNumber = stream.readLong();
int pos = stream.readInt();
LeftTuple leftTuple = context.terminalTupleMap.get(pos);
int salience = stream.readInt();
String pkgName = stream.readUTF();
String ruleName = stream.readUTF();
Package pkg = ruleBase.getPackage(pkgName);
Rule rule = pkg.getRule(ruleName);
RuleTerminalNode ruleTerminalNode = (RuleTerminalNode) leftTuple.getLeftTupleSink();
PropagationContext pc = context.propagationContexts.get(stream.readLong());
AgendaItem activation;
boolean scheduled = false;
if (rule.getTimer() != null) {
activation =
new ScheduledAgendaItem(
activationNumber, leftTuple, (InternalAgenda) wm.getAgenda(), pc, ruleTerminalNode);
scheduled = true;
} else {
activation = new AgendaItem(activationNumber, leftTuple, salience, pc, ruleTerminalNode);
}
leftTuple.setObject(activation);
if (stream.readBoolean()) {
String activationGroupName = stream.readUTF();
((DefaultAgenda) wm.getAgenda())
.getActivationGroup(activationGroupName)
.addActivation(activation);
}
boolean activated = stream.readBoolean();
activation.setActivated(activated);
if (stream.readBoolean()) {
InternalFactHandle handle = context.handles.get(stream.readInt());
activation.setFactHandle(handle);
handle.setObject(activation);
}
InternalAgendaGroup agendaGroup;
if (rule.getAgendaGroup() == null
|| rule.getAgendaGroup().equals("")
|| rule.getAgendaGroup().equals(AgendaGroup.MAIN)) {
// Is the Rule AgendaGroup undefined? If it is use MAIN,
// which is added to the Agenda by default
agendaGroup =
(InternalAgendaGroup) ((DefaultAgenda) wm.getAgenda()).getAgendaGroup(AgendaGroup.MAIN);
} else {
// AgendaGroup is defined, so try and get the AgendaGroup
// from the Agenda
agendaGroup =
(InternalAgendaGroup)
((DefaultAgenda) wm.getAgenda()).getAgendaGroup(rule.getAgendaGroup());
}
activation.setAgendaGroup(agendaGroup);
if (!scheduled && activated) {
if (rule.getRuleFlowGroup() == null) {
agendaGroup.add(activation);
} else {
InternalRuleFlowGroup rfg =
(InternalRuleFlowGroup)
((DefaultAgenda) wm.getAgenda()).getRuleFlowGroup(rule.getRuleFlowGroup());
rfg.addActivation(activation);
}
}
TruthMaintenanceSystem tms = context.wm.getTruthMaintenanceSystem();
while (stream.readShort() == PersisterEnums.LOGICAL_DEPENDENCY) {
int factHandleId = stream.readInt();
InternalFactHandle handle = (InternalFactHandle) context.handles.get(factHandleId);
ObjectTypeConf typeConf =
context
.wm
.getObjectTypeConfigurationRegistry()
.getObjectTypeConf(
((NamedEntryPoint) handle.getEntryPoint()).getEntryPoint(), handle.getObject());
tms.addLogicalDependency(handle, activation, pc, rule, typeConf);
}
return activation;
}
