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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

Constructors
Constructor and Description

DynUnionHelper()

DynUnionHelper (Java Platform SE 7 ) Home of API Java Contents Haut

Method Summary

Methods
Modifier and Type	Method and Description
`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)`

DynUnionHelper (Java Platform SE 7 ) Home of API Java Contents Haut

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)

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Steph

Class DynUnionHelper

Constructor Summary