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	setState(int state, String outcome)
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, getOutcome, getProcess, getProcessId, getProcessName, getState, internalSetState, internalStart, removeContextInstance, setContextInstance, setId, setKnowledgeRuntime, setMetaData, setOutcome, 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, getOutcome, 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

Methods inherited from interface org.jbpm.workflow.instance.NodeInstanceContainer

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,
                     String outcome)

Overrides:

setState in class ProcessInstanceImpl

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)