SingletonStateContextLookup

java.lang.Object

org.apache.mina.statemachine.context.SingletonStateContextLookup

All Implemented Interfaces:: StateContextLookup

public class SingletonStateContextLookup extends Object implements StateContextLookup

StateContextLookup implementation which always returns the same StateContext instance.

Field Summary

Fields

Modifier and Type

Field

Description

private final StateContext

context
Constructor Summary

Constructors

Constructor

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

Description

StateContext

lookup(Object[] eventArgs)

Searches the arguments from an Event and returns a StateContext if any of the arguments holds one.

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- context
  
  private final StateContext context
Constructor Details
- 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 Details
- lookup
  
  public StateContext lookup(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
  
  Parameters:
  
  eventArgs - The arguments we are looking for
  
  Returns:
  
  The StateContext we are looking for