public ProcessInstance readProcessInstance(MarshallerReaderContext context) throws IOException {
ObjectInputStream stream = context.stream;
InternalRuleBase ruleBase = context.ruleBase;
InternalWorkingMemory wm = context.wm;
WorkflowProcessInstanceImpl processInstance = createProcessInstance();
processInstance.setId(stream.readLong());
String processId = stream.readUTF();
processInstance.setProcessId(processId);
Process process = ruleBase.getProcess(processId);
if (ruleBase != null) {
processInstance.setProcess(process);
}
processInstance.setState(stream.readInt());
long nodeInstanceCounter = stream.readLong();
processInstance.setKnowledgeRuntime(wm.getKnowledgeRuntime());
int nbSwimlanes = stream.readInt();
if (nbSwimlanes > 0) {
Context swimlaneContext = ((org.jbpm.process.core.Process) process).getDefaultContext(SwimlaneContext.SWIMLANE_SCOPE);
SwimlaneContextInstance swimlaneContextInstance = (SwimlaneContextInstance) processInstance.getContextInstance(swimlaneContext);
for (int i = 0; i < nbSwimlanes; i++) {
String name = stream.readUTF();
String value = stream.readUTF();
swimlaneContextInstance.setActorId(name, value);
}
}
while (stream.readShort() == PersisterEnums.NODE_INSTANCE) {
readNodeInstance(context, processInstance, processInstance);
}
int exclusiveGroupInstances = stream.readInt();
for (int i = 0; i < exclusiveGroupInstances; i++) {
ExclusiveGroupInstance exclusiveGroupInstance = new ExclusiveGroupInstance();
processInstance.addContextInstance(ExclusiveGroup.EXCLUSIVE_GROUP, exclusiveGroupInstance);
int nodeInstances = stream.readInt();
for (int j = 0; j < nodeInstances; j++) {
long nodeInstanceId = stream.readLong();
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);
}
}
// Process Variables
// - Number of Variables = keys.size()
// For Each Variable
// - Variable Key
// - Marshalling Strategy Index
// - Marshalled Object
int nbVariables = stream.readInt();
if (nbVariables > 0) {
Context variableScope = ((org.jbpm.process.core.Process) process)
.getDefaultContext(VariableScope.VARIABLE_SCOPE);
VariableScopeInstance variableScopeInstance = (VariableScopeInstance) processInstance
.getContextInstance(variableScope);
for (int i = 0; i < nbVariables; i++) {
String name = stream.readUTF();
try {
int index = stream.readInt();
ObjectMarshallingStrategy strategy = context.resolverStrategyFactory
.getStrategy(index);
Object value = strategy.read(stream);
variableScopeInstance.internalSetVariable(name, value);
} catch (ClassNotFoundException e) {
throw new IllegalArgumentException(
"Could not reload variable " + name);
}
}
}
processInstance.internalSetNodeInstanceCounter(nodeInstanceCounter);
if (wm != null) {
processInstance.reconnect();
}
return processInstance;
}