org.apache.mina.statemachine.context

类 AbstractStateContextLookup

java.lang.Object

org.apache.mina.statemachine.context.AbstractStateContextLookup

所有已实现的接口:

StateContextLookup

直接已知子类:

IoSessionStateContextLookup

public abstract class AbstractStateContextLookup
extends java.lang.Object
implements StateContextLookup

Abstract StateContextLookup implementation. The lookup(Object[]) method will loop through the event arguments and call the supports(Class) method for each of them. The first argument that this method returns true for will be passed to the abstract lookup(Object) method which should try to extract a StateContext from the argument. If none is found a new StateContext will be created and stored in the event argument using the store(Object, StateContext) method.

作者:

Apache MINA Project

构造器概要

构造器

构造器和说明
AbstractStateContextLookup(StateContextFactory contextFactory) Creates a new instance which uses the specified StateContextFactory to create StateContext objects.

方法概要

方法

限定符和类型	方法和说明
protected abstract StateContext	lookup(java.lang.Object eventArg) Extracts a StateContext from the specified event argument which is an instance of a class supports(Class) returns true for.
StateContext	lookup(java.lang.Object[] eventArgs) Searches the arguments from an Event and returns a StateContext if any of the arguments holds one.
protected abstract void	store(java.lang.Object eventArg, StateContext context) Stores a new StateContext in the specified event argument which is an instance of a class supports(Class) returns true for.
protected abstract boolean	supports(java.lang.Class<?> c) Must return true for any Class that this StateContextLookup can use to store and lookup StateContext objects.

从类继承的方法 java.lang.Object

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

构造器详细资料

AbstractStateContextLookup

public AbstractStateContextLookup(StateContextFactory contextFactory)

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

参数:

contextFactory - the factory.

方法详细资料

lookup

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

从接口复制的说明: 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.

指定者:

lookup 在接口中 StateContextLookup

参数:

eventArgs - The arguments we are looking for

返回:

The StateContext we are looking for

lookup

protected abstract StateContext lookup(java.lang.Object eventArg)

Extracts a StateContext from the specified event argument which is an instance of a class supports(Class) returns true for.

参数:

eventArg - the event argument.

返回:

the StateContext.

store

protected abstract void store(java.lang.Object eventArg,
         StateContext context)

Stores a new StateContext in the specified event argument which is an instance of a class supports(Class) returns true for.

参数:

eventArg - the event argument.

context - the StateContext to be stored.

supports

protected abstract boolean supports(java.lang.Class<?> c)

Must return true for any Class that this StateContextLookup can use to store and lookup StateContext objects.

参数:

c - the class.

返回:

true or false.