Examples with SwimlaneContextInstance org.jbpm.process.instance.context.swimlane.SwimlaneContextInstance used on opensource projects

Example 1 with SwimlaneContextInstance

use of org.jbpm.process.instance.context.swimlane.SwimlaneContextInstance in project jbpm by kiegroup.

the class HumanTaskNodeInstance method getSwimlaneContextInstance.

private SwimlaneContextInstance getSwimlaneContextInstance(String swimlaneName) {
    if (this.swimlaneContextInstance == null) {
        if (swimlaneName == null) {
            return null;
        }
        SwimlaneContextInstance swimlaneContextInstance = (SwimlaneContextInstance) resolveContextInstance(SwimlaneContext.SWIMLANE_SCOPE, swimlaneName);
        if (swimlaneContextInstance == null) {
            throw new IllegalArgumentException("Could not find swimlane context instance");
        }
        this.swimlaneContextInstance = swimlaneContextInstance;
    }
    return this.swimlaneContextInstance;
}

Example 2 with SwimlaneContextInstance

use of org.jbpm.process.instance.context.swimlane.SwimlaneContextInstance in project jbpm by kiegroup.

the class AbstractProcessInstanceMarshaller method writeProcessInstance.

// Output methods
public Object 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());
    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) {
            ExclusiveGroupInstance exclusiveGroupInstance = (ExclusiveGroupInstance) contextInstance;
            Collection<NodeInstance> groupNodeInstances = exclusiveGroupInstance.getNodeInstances();
            stream.writeInt(groupNodeInstances.size());
            for (NodeInstance nodeInstance : groupNodeInstances) {
                stream.writeLong(nodeInstance.getId());
            }
        }
    }
    VariableScopeInstance variableScopeInstance = (VariableScopeInstance) workFlow.getContextInstance(VariableScope.VARIABLE_SCOPE);
    Map<String, Object> variables = variableScopeInstance.getVariables();
    List<String> keys = new ArrayList<String>(variables.keySet());
    Collection<Object> values = variables.values();
    Collections.sort(keys, new Comparator<String>() {

        public int compare(String o1, String o2) {
            return o1.compareTo(o2);
        }
    });
    // Process Variables
    // - Number of non null Variables = nonnullvariables.size()
    // For Each Variable
    // - Variable Key
    // - Marshalling Strategy Index
    // - Marshalled Object
    Collection<Object> notNullValues = new ArrayList<Object>();
    for (Object value : values) {
        if (value != null) {
            notNullValues.add(value);
        }
    }
    stream.writeInt(notNullValues.size());
    for (String key : keys) {
        Object object = variables.get(key);
        if (object != null) {
            stream.writeUTF(key);
            // New marshalling algorithm when using strategies
            int useNewMarshallingStrategyAlgorithm = -2;
            stream.writeInt(useNewMarshallingStrategyAlgorithm);
            // Choose first strategy that accepts the object (what was always done)
            ObjectMarshallingStrategy strategy = context.objectMarshallingStrategyStore.getStrategyObject(object);
            stream.writeUTF(strategy.getClass().getName());
            strategy.write(stream, object);
        }
    }
    return null;
}

Example 3 with SwimlaneContextInstance

use of org.jbpm.process.instance.context.swimlane.SwimlaneContextInstance in project jbpm by kiegroup.

the class AbstractProtobufProcessInstanceMarshaller method readProcessInstance.

// Input methods
public ProcessInstance readProcessInstance(MarshallerReaderContext context) throws IOException {
    InternalKnowledgeBase ruleBase = context.kBase;
    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.readFromStreamWithHeaderPreloaded(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);
        if (process == null) {
            throw new RuntimeException("Could not find process " + processId + " when restoring process instance " + processInstance.getId());
        }
        processInstance.setProcess(process);
    }
    processInstance.setDescription(_instance.getDescription());
    processInstance.setState(_instance.getState());
    processInstance.setParentProcessInstanceId(_instance.getParentProcessInstanceId());
    processInstance.setSignalCompletion(_instance.getSignalCompletion());
    processInstance.setDeploymentId(_instance.getDeploymentId());
    processInstance.setCorrelationKey(_instance.getCorrelationKey());
    processInstance.internalSetSlaCompliance(_instance.getSlaCompliance());
    if (_instance.getSlaDueDate() > 0) {
        processInstance.internalSetSlaDueDate(new Date(_instance.getSlaDueDate()));
    }
    processInstance.internalSetSlaTimerId(_instance.getSlaTimerId());
    long nodeInstanceCounter = _instance.getNodeInstanceCounter();
    processInstance.setKnowledgeRuntime(wm.getKnowledgeRuntime());
    processInstance.internalSetNodeInstanceCounter(nodeInstanceCounter);
    for (String completedNodeId : _instance.getCompletedNodeIdsList()) {
        processInstance.addCompletedNodeId(completedNodeId);
    }
    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 = ((org.jbpm.workflow.instance.NodeInstanceContainer) processInstance).getNodeInstance(nodeInstanceId, true);
            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());
            }
        }
    }
    if (_instance.getIterationLevelsCount() > 0) {
        for (JBPMMessages.IterationLevel _level : _instance.getIterationLevelsList()) {
            processInstance.getIterationLevels().put(_level.getId(), _level.getLevel());
        }
    }
    processInstance.reconnect();
    return processInstance;
}

Example 4 with SwimlaneContextInstance

use of org.jbpm.process.instance.context.swimlane.SwimlaneContextInstance in project jbpm by kiegroup.

the class HumanTaskNodeInstance method triggerCompleted.

public void triggerCompleted(WorkItem workItem) {
    String swimlaneName = getHumanTaskNode().getSwimlane();
    SwimlaneContextInstance swimlaneContextInstance = getSwimlaneContextInstance(swimlaneName);
    if (swimlaneContextInstance != null) {
        String newActorId = (String) workItem.getResult("ActorId");
        if (newActorId != null) {
            swimlaneContextInstance.setActorId(swimlaneName, newActorId);
        }
    }
    super.triggerCompleted(workItem);
}

Example 5 with SwimlaneContextInstance

use of org.jbpm.process.instance.context.swimlane.SwimlaneContextInstance in project jbpm by kiegroup.

the class HumanTaskNodeInstance method assignWorkItem.

protected String assignWorkItem(WorkItem workItem) {
    String actorId = null;
    // if this human task node is part of a swimlane, check whether an actor
    // has already been assigned to this swimlane
    String swimlaneName = getHumanTaskNode().getSwimlane();
    SwimlaneContextInstance swimlaneContextInstance = getSwimlaneContextInstance(swimlaneName);
    if (swimlaneContextInstance != null) {
        actorId = swimlaneContextInstance.getActorId(swimlaneName);
        workItem.setParameter("SwimlaneActorId", actorId);
    }
    // actor is specified for this human task
    if (actorId == null) {
        actorId = (String) workItem.getParameter("ActorId");
        if (actorId != null && swimlaneContextInstance != null && actorId.split(separator).length == 1) {
            swimlaneContextInstance.setActorId(swimlaneName, actorId);
            workItem.setParameter("SwimlaneActorId", actorId);
        }
    }
    // always return ActorId from workitem as SwimlaneActorId is kept as separate parameter
    return (String) workItem.getParameter("ActorId");
}