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Java Source Code / Java Documentation » Workflow Engines » spring webflow 1.0.4 » org.springframework.webflow.engine 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.springframework.webflow.engine.AnnotatedObject
      org.springframework.webflow.engine.State
         org.springframework.webflow.engine.TransitionableState
            org.springframework.webflow.engine.DecisionState

DecisionState
public class DecisionState extends TransitionableState (Code)
A simple transitionable state that when entered will execute the first transition whose matching criteria evaluates to true in the RequestContext context of the current request.

A decision state is a convenient, simple way to encapsulate reusable state transition logic in one place.
author:
   Keith Donald




Constructor Summary
public  DecisionState(Flow flow, String stateId)
     Creates a new decision state.
Parameters:
  flow - the owning flow
Parameters:
  stateId - the state identifier (must be unique to the flow)
throws:
  IllegalArgumentException - when this state cannot be added to givenflow, e.g.

Method Summary
protected  ViewSelectiondoEnter(RequestControlContext context)
     Specialization of State's doEnter template method that executes behaviour specific to this state type in polymorphic fashion.


Constructor Detail
DecisionState
public DecisionState(Flow flow, String stateId) throws IllegalArgumentException(Code)
Creates a new decision state.
Parameters:
  flow - the owning flow
Parameters:
  stateId - the state identifier (must be unique to the flow)
throws:
  IllegalArgumentException - when this state cannot be added to givenflow, e.g. because the id is not unique




Method Detail
doEnter
protected ViewSelection doEnter(RequestControlContext context) throws FlowExecutionException(Code)
Specialization of State's doEnter template method that executes behaviour specific to this state type in polymorphic fashion.

Simply looks up the first transition that matches the state of the context and executes it.
Parameters:
  context - the control context for the currently executing flow, usedby this state to manipulate the flow execution a view selection containing model and view information needed torender the results of the state execution
throws:
  FlowExecutionException - if an exception occurs in this state




Methods inherited from org.springframework.webflow.engine.TransitionableState
protected void appendToString(ToStringCreator creator)(Code)(Java Doc)
public void exit(RequestControlContext context)(Code)(Java Doc)
public ActionList getExitActionList()(Code)(Java Doc)
public Transition getRequiredTransition(RequestContext context) throws NoMatchingTransitionException(Code)(Java Doc)
public TransitionSet getTransitionSet()(Code)(Java Doc)
public TransitionDefinition[] getTransitions()(Code)(Java Doc)
public ViewSelection onEvent(RequestControlContext context) throws NoMatchingTransitionException(Code)(Java Doc)
public ViewSelection reenter(RequestControlContext context)(Code)(Java Doc)

Fields inherited from org.springframework.webflow.engine.State
final protected Log logger(Code)(Java Doc)

Methods inherited from org.springframework.webflow.engine.State
protected void appendToString(ToStringCreator creator)(Code)(Java Doc)
abstract protected ViewSelection doEnter(RequestControlContext context) throws FlowExecutionException(Code)(Java Doc)
final public ViewSelection enter(RequestControlContext context) throws FlowExecutionException(Code)(Java Doc)
public boolean equals(Object o)(Code)(Java Doc)
public ActionList getEntryActionList()(Code)(Java Doc)
public FlowExecutionExceptionHandlerSet getExceptionHandlerSet()(Code)(Java Doc)
public Flow getFlow()(Code)(Java Doc)
public String getId()(Code)(Java Doc)
public FlowDefinition getOwner()(Code)(Java Doc)
public ViewSelection handleException(FlowExecutionException exception, RequestControlContext context)(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
public boolean isStartState()(Code)(Java Doc)
public String toString()(Code)(Java Doc)

Fields inherited from org.springframework.webflow.engine.AnnotatedObject
final public static String CAPTION_PROPERTY(Code)(Java Doc)
final public static String DESCRIPTION_PROPERTY(Code)(Java Doc)

Methods inherited from org.springframework.webflow.engine.AnnotatedObject
public MutableAttributeMap getAttributeMap()(Code)(Java Doc)
public AttributeMap getAttributes()(Code)(Java Doc)
public String getCaption()(Code)(Java Doc)
public String getDescription()(Code)(Java Doc)
public void setCaption(String caption)(Code)(Java Doc)
public void setDescription(String description)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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