DynUnionHelper (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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Java™ Platform
Standard Ed. 6

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org.omg.DynamicAny
Class DynUnionHelper

java.lang.Object
  org.omg.DynamicAny.DynUnionHelper

public abstract class DynUnionHelper
extends Object
extends Object

DynUnion objects support the manipulation of IDL unions. A union can have only two valid current positions:

zero, which denotes the discriminator
one, which denotes the active member

The component_count value for a union depends on the current discriminator: it is 2 for a union whose discriminator indicates a named member, and 1 otherwise.

Constructor Summary

DynUnionHelper()


Method Summary

static DynUnion extract(Any a)


static String id()


static void insert(Any a, DynUnion that)


static DynUnion narrow(Object obj)


static DynUnion read(InputStream istream)


static TypeCode type()


static DynUnion unchecked_narrow(Object obj)


static void write(OutputStream ostream, DynUnion value)


Methods inherited from class java.lang.Object

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

Constructor Summary
`DynUnionHelper()`

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

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

Constructor Detail

DynUnionHelper

public DynUnionHelper()

Method Detail

insert

public static void insert(Any a,
                          DynUnion that)

extract

public static DynUnion extract(Any a)

type

public static TypeCode type()

id

public static String id()

read

public static DynUnion read(InputStream istream)

write

public static void write(OutputStream ostream,
                         DynUnion value)

narrow

public static DynUnion narrow(Object obj)

unchecked_narrow

public static DynUnion unchecked_narrow(Object obj)