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.

Author:

Apache MINA Project

Constructor Summary

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

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

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