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## org.omg.PortableServer
Class POAHelper

    java.lang.Object
      org.omg.PortableServer.POAHelper

    public abstract class POAHelper

extends Object

A POA object manages the implementation of a collection of objects. The POA supports a name space for the objects, which are identified by Object Ids. A POA also provides a name space for POAs. A POA is created as a child of an existing POA, which forms a hierarchy starting with the root POA. A POA object must not be exported to other processes, or externalized with ORB::object_to_string.

Constructor Summary
`POAHelper()`

Method Summary
`static POA` | `extract(Any a)`
`static String` | `id()`
`static void` | `insert(Any a, POA that)`
`static POA` | `narrow(Object obj)`
`static POA` | `read(InputStream istream)`
`static TypeCode` | `type()`
`static void` | `write(OutputStream ostream, POA value)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### POAHelper

    public POAHelper()

Method Detail

### insert

    public static void insert(Any a,
                              POA that)

### extract

    public static POA extract(Any a)

### type

    public static TypeCode type()

### id

    public static String id()

### read

    public static POA read(InputStream istream)

### write

    public static void write(OutputStream ostream,
                             POA value)

### narrow

    public static POA narrow(Object obj)

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.