org.apache.mina.statemachine.context

Class SingletonStateContextLookup

java.lang.Object

org.apache.mina.statemachine.context.SingletonStateContextLookup

All Implemented Interfaces:

StateContextLookup

public class SingletonStateContextLookup
extends java.lang.Object
implements StateContextLookup

StateContextLookup implementation which always returns the same StateContext instance.

Field Summary

Fields

Modifier and Type	Field and Description
private StateContext	context

Constructor Summary

Constructors

Constructor and Description
SingletonStateContextLookup() Creates a new instance which always returns the same DefaultStateContext instance.
SingletonStateContextLookup(StateContextFactory contextFactory) Creates a new instance which uses the specified StateContextFactory to create the single instance.

Method Summary

Modifier and Type	Method and Description
StateContext	lookup(java.lang.Object[] eventArgs) Searches the arguments from an Event and returns a StateContext if any of the arguments holds one.

Methods inherited from class java.lang.Object

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

Field Detail

context

private final StateContext context

Constructor Detail

SingletonStateContextLookup

public SingletonStateContextLookup()

Creates a new instance which always returns the same DefaultStateContext instance.

SingletonStateContextLookup

public SingletonStateContextLookup(StateContextFactory contextFactory)

Creates a new instance which uses the specified StateContextFactory to create the single instance.

Parameters:

contextFactory - the StateContextFactory to use to create the singleton instance.

Method Detail

lookup

public StateContext lookup(java.lang.Object[] eventArgs)

Description copied from interface: StateContextLookup

Searches the arguments from an Event and returns a StateContext if any of the arguments holds one. NOTE! This method must create a new StateContext if a compatible object is in the arguments and the next time that same object is passed to this method the same StateContext should be returned.

Specified by:

lookup in interface StateContextLookup