org.springframework.webflow.engine.support

Class TransitionCriteriaChain

java.lang.Object

org.springframework.webflow.engine.support.TransitionCriteriaChain

All Implemented Interfaces:

TransitionCriteria

public class TransitionCriteriaChain
extends java.lang.Object
implements TransitionCriteria

An ordered chain of TransitionCriteria. Iterates over each element in the chain, continues until one returns false or the list is exhausted. So in effect it will do a logical AND between the contained criteria.

Author:

Keith Donald

Constructor Summary

Constructors

Constructor and Description
TransitionCriteriaChain() Creates an initially empty transition criteria chain.
TransitionCriteriaChain(TransitionCriteria[] criteria) Creates a transition criteria chain with the specified criteria.

Method Summary

Methods

Modifier and Type	Method and Description
TransitionCriteriaChain	add(TransitionCriteria criteria) Add given criteria object to the end of the chain.
static TransitionCriteria	criteriaChainFor(Action[] actions) Create a transition criteria chain chaining given list of actions.
boolean	test(RequestContext context) Check if the transition should fire based on the given flow execution request context.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

TransitionCriteriaChain

public TransitionCriteriaChain()

Creates an initially empty transition criteria chain.

See Also:

add(TransitionCriteria)

TransitionCriteriaChain

public TransitionCriteriaChain(TransitionCriteria[] criteria)

Creates a transition criteria chain with the specified criteria.

Parameters:

criteria - the criteria

Method Detail

add

public TransitionCriteriaChain add(TransitionCriteria criteria)

Add given criteria object to the end of the chain.

Parameters:

criteria - the criteria

Returns:

this object, so multiple criteria can be added in a single statement

test

public boolean test(RequestContext context)

Description copied from interface: TransitionCriteria

Check if the transition should fire based on the given flow execution request context.

Specified by:

test in interface TransitionCriteria

Parameters:

context - the flow execution request context

Returns:

true if the transition should fire, false otherwise

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

criteriaChainFor

public static TransitionCriteria criteriaChainFor(Action[] actions)

Create a transition criteria chain chaining given list of actions.

Parameters:

actions - the actions (and their execution properties) to chain together