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Node (jbpm-3.0.4) - JBoss JBPM 3.0.4 API 英文版文档

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org.jbpm.graph.def
Class Node

java.lang.Object
  org.jbpm.graph.def.GraphElement
      org.jbpm.graph.def.Node

All Implemented Interfaces:

Parsable, java.io.Serializable

Direct Known Subclasses:

Decision, EndState, Fork, InterleaveEnd, InterleaveStart, Join, Merge, MilestoneNode, ParallelSplit, ProcessState, StartState, State, SuperState, TaskNode

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public class Node

extends GraphElement

implements Parsable

See Also:

Serialized Form

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Field Summary
protected  Action	action
protected  java.util.Set	arrivingTransitions
protected  java.util.List	leavingTransitions
protected  SuperState	superState
static java.lang.String[]	supportedEventTypes

 

Fields inherited from class org.jbpm.graph.def.GraphElement

events, exceptionHandlers, name, processDefinition

 

Constructor Summary

Node()           creates an unnamed node.

Node(java.lang.String name)           creates a node with the given name.

 

Method Summary
Transition	addArrivingTransition(Transition arrivingTransition)           add a bidirection relation between this node and the given arriving transition.
Transition	addLeavingTransition(Transition leavingTransition)           creates a bidirection relation between this node and the given leaving transition.
void	enter(ExecutionContext executionContext)           called by a transition to pass execution to this node.
void	execute(ExecutionContext executionContext)           override this method to customize the node behaviour.
java.lang.String	generateNextLeavingTransitionName()           generates a new name for a transition that will be added as a leaving transition.
Action	getAction()
java.util.Set	getArrivingTransitions()           are the arriving transitions.
Transition	getDefaultLeavingTransition()           is the default leaving transition.
java.lang.String	getFullyQualifiedName()           the slash separated name that includes all the superstate names.
Transition	getLeavingTransition(java.lang.String transitionName)           retrieves a leaving transition by name.
java.util.List	getLeavingTransitions()
java.util.List	getLeavingTransitionsList()
java.util.Map	getLeavingTransitionsMap()           are the leaving Transitions, mapped by their name (java.lang.String).
GraphElement	getParent()           is the SuperState or the ProcessDefinition in which this node is contained.
ProcessDefinition	getProcessDefinition()
SuperState	getSuperState()
java.lang.String[]	getSupportedEventTypes()           indicative set of event types supported by this graph element.
boolean	hasLeavingTransition(java.lang.String transitionName)           checks for the presence of a leaving transition with the given name.
boolean	hasNoLeavingTransitions()           true if this transition has leaving transitions.
void	leave(ExecutionContext executionContext)           called by the implementation of this node to continue execution over the default transition.
void	leave(ExecutionContext executionContext, java.lang.String transitionName)           called by the implementation of this node to continue execution over the specified transition.
void	leave(ExecutionContext executionContext, Transition transition)           called by the implementation of this node to continue execution over the given transition.
void	read(org.dom4j.Element nodeElement, JpdlXmlReader jpdlXmlReader)
void	removeArrivingTransition(Transition arrivingTransition)           removes the bidirection relation between this node and the given arriving transition.
void	removeLeavingTransition(Transition leavingTransition)           removes the bidirection relation between this node and the given leaving transition.
void	reorderLeavingTransition(int oldIndex, int newIndex)           moves one leaving transition from the oldIndex and inserts it at the newIndex.
void	setAction(Action action)
void	setName(java.lang.String name)           updates the name of this node
void	write(org.dom4j.Element nodeElement)

 

Methods inherited from class org.jbpm.graph.def.GraphElement

addEvent, addExceptionHandler, findExceptionHandler, fireAndPropagateEvent, fireEvent, getEvent, getEvents, getExceptionHandlers, getId, getName, getParentChain, getParents, hasEvent, hasEvents, raiseException, removeEvent, removeExceptionHandler, reorderExceptionHandler, setProcessDefinition, toString

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

leavingTransitions

protected java.util.List leavingTransitions

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arrivingTransitions

protected java.util.Set arrivingTransitions

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action

protected Action action

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superState

protected SuperState superState

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supportedEventTypes

public static final java.lang.String[] supportedEventTypes

Constructor Detail

Node

public Node()

creates an unnamed node.

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Node

public Node(java.lang.String name)

creates a node with the given name.

Method Detail

getSupportedEventTypes

public java.lang.String[] getSupportedEventTypes()

Description copied from class: GraphElement

indicative set of event types supported by this graph element. this is currently only used by the process designer to know which event types to show on a given graph element. in process definitions and at runtime, there are no contstraints on the event-types.

Specified by:

getSupportedEventTypes in class GraphElement

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read

public void read(org.dom4j.Element nodeElement,
                 JpdlXmlReader jpdlXmlReader)

Specified by:

read in interface Parsable

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write

public void write(org.dom4j.Element nodeElement)

Specified by:

write in interface Parsable

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getLeavingTransitions

public java.util.List getLeavingTransitions()

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getLeavingTransitionsMap

public java.util.Map getLeavingTransitionsMap()

are the leaving Transitions, mapped by their name (java.lang.String).

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addLeavingTransition

public Transition addLeavingTransition(Transition leavingTransition)

creates a bidirection relation between this node and the given leaving transition.

Throws:

java.lang.IllegalArgumentException - if leavingTransition is null.

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removeLeavingTransition

public void removeLeavingTransition(Transition leavingTransition)

removes the bidirection relation between this node and the given leaving transition.

Throws:

java.lang.IllegalArgumentException - if leavingTransition is null.

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hasLeavingTransition

public boolean hasLeavingTransition(java.lang.String transitionName)

checks for the presence of a leaving transition with the given name.

Returns:

true if this node has a leaving transition with the given name, false otherwise.

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getLeavingTransition

public Transition getLeavingTransition(java.lang.String transitionName)

retrieves a leaving transition by name. note that also the leaving transitions of the supernode are taken into account.

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hasNoLeavingTransitions

public boolean hasNoLeavingTransitions()

true if this transition has leaving transitions.

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generateNextLeavingTransitionName

public java.lang.String generateNextLeavingTransitionName()

generates a new name for a transition that will be added as a leaving transition.

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getDefaultLeavingTransition

public Transition getDefaultLeavingTransition()

is the default leaving transition.

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reorderLeavingTransition

public void reorderLeavingTransition(int oldIndex,
                                     int newIndex)

moves one leaving transition from the oldIndex and inserts it at the newIndex.

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getLeavingTransitionsList

public java.util.List getLeavingTransitionsList()

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getArrivingTransitions

public java.util.Set getArrivingTransitions()

are the arriving transitions.

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addArrivingTransition

public Transition addArrivingTransition(Transition arrivingTransition)

add a bidirection relation between this node and the given arriving transition.

Throws:

java.lang.IllegalArgumentException - if t is null.

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removeArrivingTransition

public void removeArrivingTransition(Transition arrivingTransition)

removes the bidirection relation between this node and the given arriving transition.

Throws:

java.lang.IllegalArgumentException - if t is null.

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getParent

public GraphElement getParent()

is the SuperState or the ProcessDefinition in which this node is contained.

Overrides:

getParent in class GraphElement

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enter

public void enter(ExecutionContext executionContext)

called by a transition to pass execution to this node.

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execute

public void execute(ExecutionContext executionContext)

override this method to customize the node behaviour.

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leave

public void leave(ExecutionContext executionContext)

called by the implementation of this node to continue execution over the default transition.

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leave

public void leave(ExecutionContext executionContext,
                  java.lang.String transitionName)

called by the implementation of this node to continue execution over the specified transition.

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leave

public void leave(ExecutionContext executionContext,
                  Transition transition)

called by the implementation of this node to continue execution over the given transition.

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getProcessDefinition

public ProcessDefinition getProcessDefinition()

Overrides:

getProcessDefinition in class GraphElement

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setName

public void setName(java.lang.String name)

updates the name of this node

Overrides:

setName in class GraphElement

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getFullyQualifiedName

public java.lang.String getFullyQualifiedName()

the slash separated name that includes all the superstate names.

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getSuperState

public SuperState getSuperState()

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getAction

public Action getAction()

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setAction

public void setAction(Action action)

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Version : jbpm-3.0.4