org.omg.DynamicAny
类 DynUnionHelper

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

public abstract class DynUnionHelper
extends Object

DynUnion 对象支持对 IDL 联合数据 (union) 的操作。联合数据只能有两个有效的当前位置：

• 0，表示鉴别符 (discriminator)
• 1，表示活动成员

联合数据的 component_count 值依赖于当前鉴别符：其鉴别符指示一个指定成员的联合数据的 component_count 值为 2，其他情况为 1。

构造方法摘要

DynUnionHelper()

方法摘要

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)

从类 java.lang.Object 继承的方法

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

构造方法详细信息

DynUnionHelper

public DynUnionHelper()

方法详细信息

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)