DynValueCommonOperations (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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Java^TM 2 Platform
Std. Ed. v1.4.1

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org.omg.DynamicAny
Interface DynValueCommonOperations

All Superinterfaces:: DynAnyOperations

All Known Subinterfaces:: DynValue, DynValueBox, DynValueBoxOperations, DynValueCommon, DynValueOperations

All Known Implementing Classes:: _DynValueStub

public interface DynValueCommonOperations
extends DynAnyOperations

DynValueCommon provides operations supported by both the DynValue and DynValueBox interfaces.

Method Summary

boolean is_null()
          Returns true if the DynValueCommon represents a null value type.

void set_to_null()
          Changes the representation of a DynValueCommon to a null value type.

void set_to_value()
          Replaces a null value type with a newly constructed value.

Methods inherited from interface org.omg.DynamicAny.DynAnyOperations

assign, component_count, copy, current_component, destroy, equal, from_any, get_any, get_boolean, get_char, get_double, get_dyn_any, get_float, get_long, get_longlong, get_octet, get_reference, get_short, get_string, get_typecode, get_ulong, get_ulonglong, get_ushort, get_val, get_wchar, get_wstring, insert_any, insert_boolean, insert_char, insert_double, insert_dyn_any, insert_float, insert_long, insert_longlong, insert_octet, insert_reference, insert_short, insert_string, insert_typecode, insert_ulong, insert_ulonglong, insert_ushort, insert_val, insert_wchar, insert_wstring, next, rewind, seek, to_any, type

Method Detail

is_null

public boolean is_null()

Returns true if the DynValueCommon represents a null value type.

set_to_null

public void set_to_null()

Changes the representation of a DynValueCommon to a null value type.

set_to_value

public void set_to_value()

Replaces a null value type with a newly constructed value. Its components are initialized to default values as in DynAnyFactory.create_dyn_any_from_type_code. If the DynValueCommon represents a non-null value type, then this operation has no effect.