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## org.jbpm.workflow.instance.impl
Class WorkflowProcessInstanceImpl

    java.lang.Object
      org.jbpm.process.instance.impl.ProcessInstanceImpl
          org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl

All Implemented Interfaces:
  Serializable, EventListener, NodeInstanceContainer, ProcessInstance, WorkflowProcessInstance, ContextableInstance, ContextInstanceContainer

Direct Known Subclasses:
  RuleFlowProcessInstance

    public abstract class WorkflowProcessInstanceImpl

extends ProcessInstanceImpl
implements WorkflowProcessInstance, NodeInstanceContainer

Default implementation of a RuleFlow process instance.

See Also:
  Serialized Form

Field Summary

Fields inherited from interface org.drools.runtime.process.ProcessInstance
`STATE_ABORTED, STATE_ACTIVE, STATE_COMPLETED, STATE_PENDING, STATE_SUSPENDED`

Constructor Summary
`WorkflowProcessInstanceImpl()`

Method Summary
`void` | `addEventListener(String type, EventListener listener, boolean external)`
`void` | `addNodeInstance(NodeInstance nodeInstance)`
`void` | `disconnect()`
`List<String>` | `getActiveNodeIds()`
`String[]` | `getEventTypes()` Returns the event types this event listener is interested in.
`NodeInstance` | `getFirstNodeInstance(long nodeId)`
`NodeContainer` | `getNodeContainer()`
`NodeInstance` | `getNodeInstance(long nodeInstanceId)` Returns the node instance with the given id, or `null` if the node instance cannot be found.
`NodeInstance` | `getNodeInstance(Node node)`
`long` | `getNodeInstanceCounter()`
`Collection<NodeInstance>` | `getNodeInstances()` Returns all node instances that are currently active within this container.
`Collection<NodeInstance>` | `getNodeInstances(boolean recursive)`
`List<NodeInstance>` | `getNodeInstances(long nodeId)`
`Object` | `getVariable(String name)` Returns the value of the variable with the given name.
`Map<String,Object>` | `getVariables()`
`WorkflowProcess` | `getWorkflowProcess()`
`void` | `internalSetNodeInstanceCounter(long nodeInstanceCounter)`
`void` | `nodeInstanceCompleted(NodeInstance nodeInstance, String outType)`
`void` | `reconnect()`
`void` | `removeEventListener(String type, EventListener listener, boolean external)`
`void` | `removeNodeInstance(NodeInstance nodeInstance)`
`void` | `setState(int state)`
`void` | `setVariable(String name, Object value)`
`void` | `signalEvent(String type, Object event)` Signals that an event has occurred.
`void` | `start()`
`String` | `toString()`

Methods inherited from class org.jbpm.process.instance.impl.ProcessInstanceImpl
`addContextInstance, getAgenda, getContextContainer, getContextInstance, getContextInstance, getContextInstance, getContextInstances, getId, getKnowledgeRuntime, getMetaData, getProcess, getProcessId, getProcessName, getState, internalSetState, internalStart, removeContextInstance, setContextInstance, setId, setKnowledgeRuntime, setMetaData, setProcess, setProcessId`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface org.jbpm.process.instance.ProcessInstance
`getKnowledgeRuntime, getProcess, setId, setKnowledgeRuntime, setProcess`

Methods inherited from interface org.jbpm.process.instance.ContextInstanceContainer
`addContextInstance, getContextContainer, getContextInstance, getContextInstance, getContextInstances, removeContextInstance`

Methods inherited from interface org.jbpm.process.instance.ContextableInstance
`getContextInstance`

Methods inherited from interface org.drools.runtime.process.ProcessInstance
`getId, getProcessId, getProcessName, getState`

Constructor Detail

### WorkflowProcessInstanceImpl

    public WorkflowProcessInstanceImpl()

Method Detail

### getNodeContainer

    public NodeContainer getNodeContainer()

### addNodeInstance

    public void addNodeInstance(NodeInstance nodeInstance)

### removeNodeInstance

    public void removeNodeInstance(NodeInstance nodeInstance)

### getNodeInstances

    public Collection<NodeInstance> getNodeInstances()

  Description copied from interface: `NodeInstanceContainer`
  Returns all node instances that are currently active within this container.

  Specified by:
    `getNodeInstances` in interface `NodeInstanceContainer`
  Returns:
    the list of node instances currently active

### getNodeInstances

    public Collection<NodeInstance> getNodeInstances(boolean recursive)

### getNodeInstance

    public NodeInstance getNodeInstance(long nodeInstanceId)

  Description copied from interface: `NodeInstanceContainer`
  Returns the node instance with the given id, or `null` if the node instance cannot be found.

  Specified by:
    `getNodeInstance` in interface `NodeInstanceContainer`
  Returns:
    the node instance with the given id

### getActiveNodeIds

    public List<String> getActiveNodeIds()

### getFirstNodeInstance

    public NodeInstance getFirstNodeInstance(long nodeId)

### getNodeInstances

    public List<NodeInstance> getNodeInstances(long nodeId)

### getNodeInstance

    public NodeInstance getNodeInstance(Node node)

### getNodeInstanceCounter

    public long getNodeInstanceCounter()

### internalSetNodeInstanceCounter

    public void internalSetNodeInstanceCounter(long nodeInstanceCounter)

### getWorkflowProcess

    public WorkflowProcess getWorkflowProcess()

### getVariable

    public Object getVariable(String name)

  Description copied from interface: `WorkflowProcessInstance`
  Returns the value of the variable with the given name. Note that only variables in the process-level scope will be searched. Returns `null` if the value of the variable is null or if the variable cannot be found.

  Specified by:
    `getVariable` in interface `WorkflowProcessInstance`
  Parameters:
    `name` - the name of the variable
  Returns:
    the value of the variable, or `null` if it cannot be found

### getVariables

    public Map<String,Object> getVariables()

### setVariable

    public void setVariable(String name,
                            Object value)

  Specified by:
    `setVariable` in interface `WorkflowProcessInstance`

### setState

    public void setState(int state)

  Overrides:
    `setState` in class `ProcessInstanceImpl`

### disconnect

    public void disconnect()

  Overrides:
    `disconnect` in class `ProcessInstanceImpl`

### reconnect

    public void reconnect()

  Overrides:
    `reconnect` in class `ProcessInstanceImpl`

### toString

    public String toString()

  Overrides:
    `toString` in class `ProcessInstanceImpl`

### start

    public void start()

  Overrides:
    `start` in class `ProcessInstanceImpl`

### signalEvent

    public void signalEvent(String type,
                            Object event)

  Description copied from interface: `EventListener`
  Signals that an event has occurred. The type parameter defines which type of event and the event parameter can contain additional information related to the event.

  Specified by:
    `signalEvent` in interface `EventListener`
  Overrides:
    `signalEvent` in class `ProcessInstanceImpl`
  Parameters:
    `type` - the type of event
    `event` - the data associated with this event

### addEventListener

    public void addEventListener(String type,
                                 EventListener listener,
                                 boolean external)

### removeEventListener

    public void removeEventListener(String type,
                                    EventListener listener,
                                    boolean external)

### getEventTypes

    public String[] getEventTypes()

  Description copied from interface: `EventListener`
  Returns the event types this event listener is interested in. May return `null` if the event types are unknown.

  Specified by:
    `getEventTypes` in interface `EventListener`
  Overrides:
    `getEventTypes` in class `ProcessInstanceImpl`

### nodeInstanceCompleted

    public void nodeInstanceCompleted(NodeInstance nodeInstance,
                                      String outType)

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