public static void writeInitialFactHandleRightTuples(MarshallerWriteContext context)
throws IOException {
ObjectOutputStream stream = context.stream;
InternalRuleBase ruleBase = context.ruleBase;
ObjectTypeNode initialFactNode =
ruleBase
.getRete()
.getEntryPointNode(EntryPoint.DEFAULT)
.getObjectTypeNodes()
.get(ClassObjectType.InitialFact_ObjectType);
// do we write the fact to the objecttypenode memory
if (initialFactNode != null) {
ObjectHashSet initialFactMemory = (ObjectHashSet) context.wm.getNodeMemory(initialFactNode);
if (initialFactMemory != null && !initialFactMemory.isEmpty()) {
// context.out.println( "InitialFactMemory true int:" + initialFactNode.getId() );
stream.writeBoolean(true);
stream.writeInt(initialFactNode.getId());
// context.out.println( "InitialFact RightTuples" );
writeRightTuples(context.wm.getInitialFactHandle(), context);
} else {
// context.out.println( "InitialFactMemory false " );
stream.writeBoolean(false);
}
} else {
// context.out.println( "InitialFactMemory false " );
stream.writeBoolean(false);
}
}
public static ObjectTypeNode attachObjectTypeNode(BuildContext context, ObjectType objectType) {
final InternalRuleBase ruleBase = context.getRuleBase();
ruleBase.readLock();
try {
InternalWorkingMemory[] wms = context.getWorkingMemories();
EntryPointNode epn = ruleBase.getRete().getEntryPointNode(context.getCurrentEntryPoint());
if (epn == null) {
epn = new EntryPointNode(context.getNextId(), ruleBase.getRete(), context);
if (wms.length > 0) {
epn.attach(wms);
} else {
epn.attach();
}
}
ObjectTypeNode otn = new ObjectTypeNode(context.getNextId(), epn, objectType, context);
long expirationOffset = getExpiratioOffsetForType(context, objectType);
otn.setExpirationOffset(expirationOffset);
if (wms.length > 0) {
otn.attach(wms);
} else {
otn.attach();
}
return otn;
} finally {
ruleBase.readUnlock();
}
}
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 List<String> getSettableProperties(InternalRuleBase ruleBase, Class<?> nodeClass) {
if (nodeClass == null) {
return null;
}
TypeDeclaration typeDeclaration = ruleBase.getTypeDeclaration(nodeClass);
if (typeDeclaration == null) {
return ClassUtils.getSettableProperties(nodeClass);
}
typeDeclaration.setTypeClass(nodeClass);
return typeDeclaration.getSettableProperties();
}
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;
}
// Input methods
public ProcessInstance readProcessInstance(MarshallerReaderContext context) throws IOException {
InternalRuleBase ruleBase = context.ruleBase;
InternalWorkingMemory wm = context.wm;
JBPMMessages.ProcessInstance _instance =
(org.jbpm.marshalling.impl.JBPMMessages.ProcessInstance) context.parameterObject;
if (_instance == null) {
// try to parse from the stream
ExtensionRegistry registry = PersisterHelper.buildRegistry(context, null);
Header _header;
try {
_header = PersisterHelper.readFromStreamWithHeader(context, registry);
} catch (ClassNotFoundException e) {
// Java 5 does not accept [new IOException(String, Throwable)]
IOException ioe = new IOException("Error deserializing process instance.");
ioe.initCause(e);
throw ioe;
}
_instance = JBPMMessages.ProcessInstance.parseFrom(_header.getPayload(), registry);
}
WorkflowProcessInstanceImpl processInstance = createProcessInstance();
processInstance.setId(_instance.getId());
String processId = _instance.getProcessId();
processInstance.setProcessId(processId);
String processXml = _instance.getProcessXml();
Process process = null;
if (processXml != null && processXml.trim().length() > 0) {
processInstance.setProcessXml(processXml);
process = processInstance.getProcess();
} else {
process = ruleBase.getProcess(processId);
processInstance.setProcess(process);
}
processInstance.setState(_instance.getState());
long nodeInstanceCounter = _instance.getNodeInstanceCounter();
processInstance.setKnowledgeRuntime(wm.getKnowledgeRuntime());
if (_instance.getSwimlaneContextCount() > 0) {
Context swimlaneContext =
((org.jbpm.process.core.Process) process)
.getDefaultContext(SwimlaneContext.SWIMLANE_SCOPE);
SwimlaneContextInstance swimlaneContextInstance =
(SwimlaneContextInstance) processInstance.getContextInstance(swimlaneContext);
for (JBPMMessages.ProcessInstance.SwimlaneContextInstance _swimlane :
_instance.getSwimlaneContextList()) {
swimlaneContextInstance.setActorId(_swimlane.getSwimlane(), _swimlane.getActorId());
}
}
for (JBPMMessages.ProcessInstance.NodeInstance _node : _instance.getNodeInstanceList()) {
context.parameterObject = _node;
readNodeInstance(context, processInstance, processInstance);
}
for (JBPMMessages.ProcessInstance.ExclusiveGroupInstance _excl :
_instance.getExclusiveGroupList()) {
ExclusiveGroupInstance exclusiveGroupInstance = new ExclusiveGroupInstance();
processInstance.addContextInstance(ExclusiveGroup.EXCLUSIVE_GROUP, exclusiveGroupInstance);
for (Long nodeInstanceId : _excl.getGroupNodeInstanceIdList()) {
NodeInstance nodeInstance = processInstance.getNodeInstance(nodeInstanceId);
if (nodeInstance == null) {
throw new IllegalArgumentException(
"Could not find node instance when deserializing exclusive group instance: "
+ nodeInstanceId);
}
exclusiveGroupInstance.addNodeInstance(nodeInstance);
}
}
if (_instance.getVariableCount() > 0) {
Context variableScope =
((org.jbpm.process.core.Process) process).getDefaultContext(VariableScope.VARIABLE_SCOPE);
VariableScopeInstance variableScopeInstance =
(VariableScopeInstance) processInstance.getContextInstance(variableScope);
for (JBPMMessages.Variable _variable : _instance.getVariableList()) {
try {
Object _value = ProtobufProcessMarshaller.unmarshallVariableValue(context, _variable);
variableScopeInstance.internalSetVariable(_variable.getName(), _value);
} catch (ClassNotFoundException e) {
throw new IllegalArgumentException("Could not reload variable " + _variable.getName());
}
}
}
processInstance.internalSetNodeInstanceCounter(nodeInstanceCounter);
if (wm != null) {
processInstance.reconnect();
}
return processInstance;
}