Package org.drools.workflow.instance.impl

Examples of org.drools.workflow.instance.impl.WorkflowProcessInstanceImpl

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  // Output methods

  public void writeProcessInstance(MarshallerWriteContext context,
      ProcessInstance processInstance) throws IOException {

    WorkflowProcessInstanceImpl workFlow = (WorkflowProcessInstanceImpl) processInstance;
    ObjectOutputStream stream = context.stream;
    stream.writeLong(workFlow.getId());
    stream.writeUTF(workFlow.getProcessId());
    stream.writeInt(workFlow.getState());
    stream.writeLong(workFlow.getNodeInstanceCounter());
   
    VariableScopeInstance variableScopeInstance = (VariableScopeInstance) workFlow.getContextInstance( VariableScope.VARIABLE_SCOPE );
        Map<String, Object> variables = variableScopeInstance.getVariables();
        List<String> keys = new ArrayList<String>( variables.keySet() );
        Collections.sort( keys,
                          new Comparator<String>() {
                              public int compare(String o1,
                                                 String o2) {
                                  return o1.compareTo( o2 );
                              }
                          } );
        stream.writeInt( keys.size() );
        for ( String key : keys ) {
            stream.writeUTF( key );
            stream.writeObject( variables.get( key ) );
        }

        SwimlaneContextInstance swimlaneContextInstance = (SwimlaneContextInstance) workFlow.getContextInstance( SwimlaneContext.SWIMLANE_SCOPE );
       
        if (swimlaneContextInstance!=null) {
      Map<String, String> swimlaneActors = swimlaneContextInstance
          .getSwimlaneActors();
      stream.writeInt(swimlaneActors.size());
      for (Map.Entry<String, String> entry : swimlaneActors.entrySet()) {
        stream.writeUTF(entry.getKey());
        stream.writeUTF(entry.getValue());
      }
    }
    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());
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    }

    public void writeProcessInstance(MarshallerWriteContext context,
            ProcessInstance processInstance, boolean includeVariables) throws IOException {

        WorkflowProcessInstanceImpl workFlow = (WorkflowProcessInstanceImpl) processInstance;
        ObjectOutputStream stream = context.stream;
        stream.writeLong(workFlow.getId());
        stream.writeUTF(workFlow.getProcessId());
        stream.writeInt(workFlow.getState());
        stream.writeLong(workFlow.getNodeInstanceCounter());
        if (includeVariables) {
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance) workFlow.getContextInstance(VariableScope.VARIABLE_SCOPE);
            Map<String, Object> variables = variableScopeInstance.getVariables();
            List<String> keys = new ArrayList<String>(variables.keySet());
            Collections.sort(keys,
                    new Comparator<String>() {

                        public int compare(String o1,
                                String o2) {
                            return o1.compareTo(o2);
                        }
                    });
            stream.writeInt(keys.size());
            for (String key : keys) {
                stream.writeUTF(key);
                stream.writeObject(variables.get(key));
            }
        }

        SwimlaneContextInstance swimlaneContextInstance = (SwimlaneContextInstance) workFlow.getContextInstance(SwimlaneContext.SWIMLANE_SCOPE);
        if (swimlaneContextInstance != null) {
            Map<String, String> swimlaneActors = swimlaneContextInstance.getSwimlaneActors();
            stream.writeInt(swimlaneActors.size());
            for (Map.Entry<String, String> entry : swimlaneActors.entrySet()) {
                stream.writeUTF(entry.getKey());
                stream.writeUTF(entry.getValue());
            }
        } else {
            stream.writeInt(0);
        }
       
        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) {
            stream.writeShort(PersisterEnums.NODE_INSTANCE);
            writeNodeInstance(context,
                    nodeInstance);
        }
        stream.writeShort(PersisterEnums.END);
       
        List<ContextInstance> exclusiveGroupInstances =
          workFlow.getContextInstances(ExclusiveGroup.EXCLUSIVE_GROUP);
        if (exclusiveGroupInstances == null) {
          stream.writeInt(0);
        } else {
          stream.writeInt(exclusiveGroupInstances.size());
          for (ContextInstance contextInstance: exclusiveGroupInstances) {
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    public ProcessInstance readProcessInstance(MarshallerReaderContext context, boolean includeVariables) 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.setWorkingMemory(wm);
        if (includeVariables) {
            int nbVariables = stream.readInt();
            if (nbVariables > 0) {
                Context variableScope = process.getDefaultContext(VariableScope.VARIABLE_SCOPE);
                VariableScopeInstance variableScopeInstance = (VariableScopeInstance) processInstance.getContextInstance(variableScope);
                for (int i = 0; i < nbVariables; i++) {
                    String name = stream.readUTF();
                    try {
                        Object value = stream.readObject();
                        variableScopeInstance.setVariable(name, value);
                    } catch (ClassNotFoundException e) {
                        throw new IllegalArgumentException(
                                "Could not reload variable " + name);
                    }
                }
            }
        }

        int nbSwimlanes = stream.readInt();
        if (nbSwimlanes > 0) {
            Context swimlaneContext = 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);
            }
      }

        processInstance.internalSetNodeInstanceCounter(nodeInstanceCounter);
        if (wm != null) {
            processInstance.reconnect();
        }
        return processInstance;
    }
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        String processId,
        Map<String, Long> nodeMapping) {
      if (nodeMapping == null) {
        nodeMapping = new HashMap<String, Long>();
      }
        WorkflowProcessInstanceImpl processInstance = (WorkflowProcessInstanceImpl)
            workingMemory.getProcessInstance(processInstanceId);
        if (processInstance == null) {
            throw new IllegalArgumentException("Could not find process instance " + processInstanceId);
        }
        if (processId == null) {
            throw new IllegalArgumentException("Null process id");
        }
        WorkflowProcess process = (WorkflowProcess)
            ((InternalRuleBase) workingMemory.getRuleBase()).getProcess(processId);
        if (process == null) {
            throw new IllegalArgumentException("Could not find process " + processId);
        }
        if (processInstance.getProcessId().equals(processId)) {
            return;
        }
        synchronized (processInstance) {
          org.drools.definition.process.Process oldProcess = processInstance.getProcess();
          processInstance.disconnect();
          processInstance.setProcess(oldProcess);
          updateNodeInstances(processInstance, nodeMapping);
          processInstance.setWorkingMemory((InternalWorkingMemory) workingMemory);
          processInstance.setProcess(process);
          processInstance.reconnect();
    }
    }
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    }

    public void writeProcessInstance(MarshallerWriteContext context,
            ProcessInstance processInstance, boolean includeVariables) throws IOException {

        WorkflowProcessInstanceImpl workFlow = (WorkflowProcessInstanceImpl) processInstance;
        ObjectOutputStream stream = context.stream;
        stream.writeLong(workFlow.getId());
        stream.writeUTF(workFlow.getProcessId());
        stream.writeInt(workFlow.getState());
        stream.writeLong(workFlow.getNodeInstanceCounter());
        if (includeVariables) {
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance) workFlow.getContextInstance(VariableScope.VARIABLE_SCOPE);
            Map<String, Object> variables = variableScopeInstance.getVariables();
            List<String> keys = new ArrayList<String>(variables.keySet());
            Collections.sort(keys,
                    new Comparator<String>() {

                        public int compare(String o1,
                                String o2) {
                            return o1.compareTo(o2);
                        }
                    });
            stream.writeInt(keys.size());
            for (String key : keys) {
                stream.writeUTF(key);
                stream.writeObject(variables.get(key));
            }
        }

        SwimlaneContextInstance swimlaneContextInstance = (SwimlaneContextInstance) workFlow.getContextInstance(SwimlaneContext.SWIMLANE_SCOPE);
        if (swimlaneContextInstance != null) {
            Map<String, String> swimlaneActors = swimlaneContextInstance.getSwimlaneActors();
            stream.writeInt(swimlaneActors.size());
            for (Map.Entry<String, String> entry : swimlaneActors.entrySet()) {
                stream.writeUTF(entry.getKey());
                stream.writeUTF(entry.getValue());
            }
        } else {
            stream.writeInt(0);
        }
       
        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) {
            stream.writeShort(PersisterEnums.NODE_INSTANCE);
            writeNodeInstance(context,
                    nodeInstance);
        }
        stream.writeShort(PersisterEnums.END);
       
        List<ContextInstance> exclusiveGroupInstances =
          workFlow.getContextInstances(ExclusiveGroup.EXCLUSIVE_GROUP);
        if (exclusiveGroupInstances == null) {
          stream.writeInt(0);
        } else {
          stream.writeInt(exclusiveGroupInstances.size());
          for (ContextInstance contextInstance: exclusiveGroupInstances) {
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    public ProcessInstance readProcessInstance(MarshallerReaderContext context, boolean includeVariables) 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.setWorkingMemory(wm);
        if (includeVariables) {
            int nbVariables = stream.readInt();
            if (nbVariables > 0) {
                Context variableScope = process.getDefaultContext(VariableScope.VARIABLE_SCOPE);
                VariableScopeInstance variableScopeInstance = (VariableScopeInstance) processInstance.getContextInstance(variableScope);
                for (int i = 0; i < nbVariables; i++) {
                    String name = stream.readUTF();
                    try {
                        Object value = stream.readObject();
                        variableScopeInstance.setVariable(name, value);
                    } catch (ClassNotFoundException e) {
                        throw new IllegalArgumentException(
                                "Could not reload variable " + name);
                    }
                }
            }
        }

        int nbSwimlanes = stream.readInt();
        if (nbSwimlanes > 0) {
            Context swimlaneContext = 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);
            }
      }

        processInstance.internalSetNodeInstanceCounter(nodeInstanceCounter);
        if (wm != null) {
            processInstance.reconnect();
        }
        return processInstance;
    }
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  // Output methods

  public void writeProcessInstance(MarshallerWriteContext context,
      ProcessInstance processInstance) throws IOException {

    WorkflowProcessInstanceImpl workFlow = (WorkflowProcessInstanceImpl) processInstance;
    ObjectOutputStream stream = context.stream;
    stream.writeLong(workFlow.getId());
    stream.writeUTF(workFlow.getProcessId());
    stream.writeInt(workFlow.getState());
    stream.writeLong(workFlow.getNodeInstanceCounter());
   
    VariableScopeInstance variableScopeInstance = (VariableScopeInstance) workFlow.getContextInstance( VariableScope.VARIABLE_SCOPE );
        Map<String, Object> variables = variableScopeInstance.getVariables();
        List<String> keys = new ArrayList<String>( variables.keySet() );
        Collections.sort( keys,
                          new Comparator<String>() {
                              public int compare(String o1,
                                                 String o2) {
                                  return o1.compareTo( o2 );
                              }
                          } );
        stream.writeInt( keys.size() );
        for ( String key : keys ) {
            stream.writeUTF( key );
            stream.writeObject( variables.get( key ) );
        }

        SwimlaneContextInstance swimlaneContextInstance = (SwimlaneContextInstance) workFlow.getContextInstance( SwimlaneContext.SWIMLANE_SCOPE );
       
        if (swimlaneContextInstance!=null) {
      Map<String, String> swimlaneActors = swimlaneContextInstance
          .getSwimlaneActors();
      stream.writeInt(swimlaneActors.size());
      for (Map.Entry<String, String> entry : swimlaneActors.entrySet()) {
        stream.writeUTF(entry.getKey());
        stream.writeUTF(entry.getValue());
      }
    }else{
            stream.writeInt(0);
        }
    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());
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  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.setWorkingMemory(wm);

    int nbVariables = stream.readInt();
    if (nbVariables > 0) {
      Context variableScope = process
          .getDefaultContext(VariableScope.VARIABLE_SCOPE);
      VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
        processInstance.getContextInstance(variableScope);
      for (int i = 0; i < nbVariables; i++) {
        String name = stream.readUTF();
        try {
          Object value = stream.readObject();
          variableScopeInstance.setVariable(name, value);
        } catch (ClassNotFoundException e) {
          throw new IllegalArgumentException(
            "Could not reload variable " + name);
        }
      }
    }

    int nbSwimlanes = stream.readInt();
    if (nbSwimlanes > 0) {
      Context swimlaneContext = 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);
    }

    processInstance.internalSetNodeInstanceCounter(nodeInstanceCounter);
    if (wm != null) {
      processInstance.reconnect();
    }
    return processInstance;
  }
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    }

    public void writeProcessInstance(MarshallerWriteContext context,
            ProcessInstance processInstance, boolean includeVariables) throws IOException {

        WorkflowProcessInstanceImpl workFlow = (WorkflowProcessInstanceImpl) processInstance;
        ObjectOutputStream stream = context.stream;
        stream.writeLong(workFlow.getId());
        stream.writeUTF(workFlow.getProcessId());
        stream.writeInt(workFlow.getState());
        stream.writeLong(workFlow.getNodeInstanceCounter());
        if (includeVariables) {
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance) workFlow.getContextInstance(VariableScope.VARIABLE_SCOPE);
            Map<String, Object> variables = variableScopeInstance.getVariables();
            List<String> keys = new ArrayList<String>(variables.keySet());
            Collections.sort(keys,
                    new Comparator<String>() {

                        public int compare(String o1,
                                String o2) {
                            return o1.compareTo(o2);
                        }
                    });
            stream.writeInt(keys.size());
            for (String key : keys) {
                stream.writeUTF(key);
                stream.writeObject(variables.get(key));
            }
        }

        SwimlaneContextInstance swimlaneContextInstance = (SwimlaneContextInstance) workFlow.getContextInstance(SwimlaneContext.SWIMLANE_SCOPE);
        if (swimlaneContextInstance != null) {
            Map<String, String> swimlaneActors = swimlaneContextInstance.getSwimlaneActors();
            stream.writeInt(swimlaneActors.size());
            for (Map.Entry<String, String> entry : swimlaneActors.entrySet()) {
                stream.writeUTF(entry.getKey());
                stream.writeUTF(entry.getValue());
            }
        } else {
            stream.writeInt(0);
        }
       
        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) {
            stream.writeShort(PersisterEnums.NODE_INSTANCE);
            writeNodeInstance(context,
                    nodeInstance);
        }
        stream.writeShort(PersisterEnums.END);
       
        List<ContextInstance> exclusiveGroupInstances =
          workFlow.getContextInstances(ExclusiveGroup.EXCLUSIVE_GROUP);
        if (exclusiveGroupInstances == null) {
          stream.writeInt(0);
        } else {
          stream.writeInt(exclusiveGroupInstances.size());
          for (ContextInstance contextInstance: exclusiveGroupInstances) {
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    public ProcessInstance readProcessInstance(MarshallerReaderContext context, boolean includeVariables) 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.setWorkingMemory(wm);
        if (includeVariables) {
            int nbVariables = stream.readInt();
            if (nbVariables > 0) {
                Context variableScope = process.getDefaultContext(VariableScope.VARIABLE_SCOPE);
                VariableScopeInstance variableScopeInstance = (VariableScopeInstance) processInstance.getContextInstance(variableScope);
                for (int i = 0; i < nbVariables; i++) {
                    String name = stream.readUTF();
                    try {
                        Object value = stream.readObject();
                        variableScopeInstance.setVariable(name, value);
                    } catch (ClassNotFoundException e) {
                        throw new IllegalArgumentException(
                                "Could not reload variable " + name);
                    }
                }
            }
        }

        int nbSwimlanes = stream.readInt();
        if (nbSwimlanes > 0) {
            Context swimlaneContext = 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);
            }
      }

        processInstance.internalSetNodeInstanceCounter(nodeInstanceCounter);
        if (wm != null) {
            processInstance.reconnect();
        }
        return processInstance;
    }
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  • org.drools.marshalling.impl.AbstractProcessInstanceMarshaller
  • org.drools.process.instance.context.variable.VariableScopeInstance
  • org.drools.runtime.process.EventListener
  • org.drools.workflow.instance.node.EventNodeInstance
  • org.drools.workflow.instance.NodeInstance
  • org.drools.workflow.instance.WorkflowProcessInstanceUpgrader
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