public NodeInstance readNodeInstance(
MarshallerReaderContext context,
NodeInstanceContainer nodeInstanceContainer,
WorkflowProcessInstance processInstance)
throws IOException {
JBPMMessages.ProcessInstance.NodeInstance _node =
(JBPMMessages.ProcessInstance.NodeInstance) context.parameterObject;
NodeInstanceImpl nodeInstance = readNodeInstanceContent(_node, context, processInstance);
nodeInstance.setNodeId(_node.getNodeId());
nodeInstance.setNodeInstanceContainer(nodeInstanceContainer);
nodeInstance.setProcessInstance(
(org.jbpm.workflow.instance.WorkflowProcessInstance) processInstance);
nodeInstance.setId(_node.getId());
switch (_node.getContent().getType()) {
case COMPOSITE_CONTEXT_NODE:
case DYNAMIC_NODE:
if (_node.getContent().getComposite().getVariableCount() > 0) {
Context variableScope =
((org.jbpm.process.core.Process)
((org.jbpm.process.instance.ProcessInstance) processInstance).getProcess())
.getDefaultContext(VariableScope.VARIABLE_SCOPE);
VariableScopeInstance variableScopeInstance =
(VariableScopeInstance)
((CompositeContextNodeInstance) nodeInstance).getContextInstance(variableScope);
for (JBPMMessages.Variable _variable :
_node.getContent().getComposite().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());
}
}
}
for (JBPMMessages.ProcessInstance.NodeInstance _instance :
_node.getContent().getComposite().getNodeInstanceList()) {
context.parameterObject = _instance;
readNodeInstance(context, (CompositeContextNodeInstance) nodeInstance, processInstance);
}
for (JBPMMessages.ProcessInstance.ExclusiveGroupInstance _excl :
_node.getContent().getComposite().getExclusiveGroupList()) {
ExclusiveGroupInstance exclusiveGroupInstance = new ExclusiveGroupInstance();
((org.jbpm.process.instance.ProcessInstance) processInstance)
.addContextInstance(ExclusiveGroup.EXCLUSIVE_GROUP, exclusiveGroupInstance);
for (Long nodeInstanceId : _excl.getGroupNodeInstanceIdList()) {
NodeInstance groupNodeInstance = processInstance.getNodeInstance(nodeInstanceId);
if (groupNodeInstance == null) {
throw new IllegalArgumentException(
"Could not find node instance when deserializing exclusive group instance: "
+ nodeInstanceId);
}
exclusiveGroupInstance.addNodeInstance(groupNodeInstance);
}
}
break;
case FOR_EACH_NODE:
for (JBPMMessages.ProcessInstance.NodeInstance _instance :
_node.getContent().getForEach().getNodeInstanceList()) {
context.parameterObject = _instance;
readNodeInstance(context, (ForEachNodeInstance) nodeInstance, processInstance);
}
break;
case EVENT_SUBPROCESS_NODE:
for (JBPMMessages.ProcessInstance.NodeInstance _instance :
_node.getContent().getComposite().getNodeInstanceList()) {
context.parameterObject = _instance;
readNodeInstance(context, (EventSubProcessNodeInstance) nodeInstance, processInstance);
}
break;
default:
// do nothing
}
return nodeInstance;
}
// 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;
}