org.omg.PortableServer

Class ServantLocatorHelper

java.lang.Object

org.omg.PortableServer.ServantLocatorHelper

public abstract class ServantLocatorHelper
extends Object

当POA它使用的是servantlocators仆人管理non_retain政策。因为早熟知道仆人的仆人经理回来将仅用于一个单一的请求，可以对仆人经理的操作提供额外的信息和业务经理对仆人可以合作做一个servantactivator不同的东西。当POA采用servantlocator界面后立即执行操作的调用返回的preinvoke仆人，POA将调用postinvoke对仆人的经理，通过objectid值和仆人的值作为参数（等等）。此功能可用于强制每个请求用POA相关被仆人经理介导的对象。

构造方法摘要

构造方法

Constructor and Description
ServantLocatorHelper()

方法摘要

Modifier and Type	Method and Description
static ServantLocator	extract(Any a)
static String	id()
static void	insert(Any a, ServantLocator that)
static ServantLocator	narrow(Object obj)
static ServantLocator	read(InputStream istream)
static TypeCode	type()
static ServantLocator	unchecked_narrow(Object obj)
static void	write(OutputStream ostream, ServantLocator value)

Methods inherited from class java.lang.Object

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

Constructor Detail

ServantLocatorHelper

public ServantLocatorHelper()

方法详细信息

insert

public static void insert(Any a,
                          ServantLocator that)

extract

public static ServantLocator extract(Any a)

type

public static TypeCode type()

id

public static String id()

read

public static ServantLocator read(InputStream istream)

write

public static void write(OutputStream ostream,
                         ServantLocator value)

narrow

public static ServantLocator narrow(Object obj)

unchecked_narrow

public static ServantLocator unchecked_narrow(Object obj)