// Output methods
public JBPMMessages.ProcessInstance writeProcessInstance(
MarshallerWriteContext context, ProcessInstance processInstance) throws IOException {
WorkflowProcessInstanceImpl workFlow = (WorkflowProcessInstanceImpl) processInstance;
JBPMMessages.ProcessInstance.Builder _instance =
JBPMMessages.ProcessInstance.newBuilder()
.setId(workFlow.getId())
.setProcessId(workFlow.getProcessId())
.setState(workFlow.getState())
.setNodeInstanceCounter(workFlow.getNodeInstanceCounter())
.setProcessType(workFlow.getProcess().getType());
if (workFlow.getProcessXml() != null) {
_instance.setProcessXml(workFlow.getProcessXml());
}
SwimlaneContextInstance swimlaneContextInstance =
(SwimlaneContextInstance) workFlow.getContextInstance(SwimlaneContext.SWIMLANE_SCOPE);
if (swimlaneContextInstance != null) {
Map<String, String> swimlaneActors = swimlaneContextInstance.getSwimlaneActors();
for (Map.Entry<String, String> entry : swimlaneActors.entrySet()) {
_instance.addSwimlaneContext(
JBPMMessages.ProcessInstance.SwimlaneContextInstance.newBuilder()
.setSwimlane(entry.getKey())
.setActorId(entry.getValue())
.build());
}
}
List<NodeInstance> nodeInstances = new ArrayList<NodeInstance>(workFlow.getNodeInstances());
Collections.sort(
nodeInstances,
new Comparator<NodeInstance>() {
public int compare(NodeInstance o1, NodeInstance o2) {
return (int) (o1.getId() - o2.getId());
}
});
for (NodeInstance nodeInstance : nodeInstances) {
_instance.addNodeInstance(writeNodeInstance(context, nodeInstance));
}
List<ContextInstance> exclusiveGroupInstances =
workFlow.getContextInstances(ExclusiveGroup.EXCLUSIVE_GROUP);
if (exclusiveGroupInstances != null) {
for (ContextInstance contextInstance : exclusiveGroupInstances) {
JBPMMessages.ProcessInstance.ExclusiveGroupInstance.Builder _exclusive =
JBPMMessages.ProcessInstance.ExclusiveGroupInstance.newBuilder();
ExclusiveGroupInstance exclusiveGroupInstance = (ExclusiveGroupInstance) contextInstance;
Collection<NodeInstance> groupNodeInstances = exclusiveGroupInstance.getNodeInstances();
for (NodeInstance nodeInstance : groupNodeInstances) {
_exclusive.addGroupNodeInstanceId(nodeInstance.getId());
}
_instance.addExclusiveGroup(_exclusive.build());
}
}
VariableScopeInstance variableScopeInstance =
(VariableScopeInstance) workFlow.getContextInstance(VariableScope.VARIABLE_SCOPE);
List<Map.Entry<String, Object>> variables =
new ArrayList<Map.Entry<String, Object>>(variableScopeInstance.getVariables().entrySet());
Collections.sort(
variables,
new Comparator<Map.Entry<String, Object>>() {
public int compare(Map.Entry<String, Object> o1, Map.Entry<String, Object> o2) {
return o1.getKey().compareTo(o2.getKey());
}
});
for (Map.Entry<String, Object> variable : variables) {
if (variable.getValue() != null) {
_instance.addVariable(
ProtobufProcessMarshaller.marshallVariable(
context, variable.getKey(), variable.getValue()));
}
}
return _instance.build();
}
// 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;
}