DynUnionHelper (Java Platform SE 6)

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org.omg.DynamicAny
class DynUnionHelper

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

public abstract class DynUnionHelper
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 Detail

DynUnionHelper

public DynUnionHelper()

Method Detail

extract

public static DynUnion extract(Any a)

Parameters:: a

id

public static String id()

insert

public static void insert(Any a,
                          DynUnion that)

Parameters:: a; that

narrow

public static DynUnion narrow(Object obj)

Parameters:: obj

read

public static DynUnion read(InputStream istream)

Parameters:: istream

type

public static synchronized TypeCode type()

unchecked_narrow

public static DynUnion unchecked_narrow(Object obj)

Parameters:: obj

write

public static void write(OutputStream ostream,
                         DynUnion value)

Parameters:: ostream; value