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public interface DynUnionOperations
Defines the operations, applicable to the DynUnion. The DynUnion has only two valid positions:
Method Summary | |
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TCKind |
discriminator_kind()
Get the kind of the union descriminator. |
DynAny |
get_discriminator()
Get the value of discriminator, defining which content variant (member) is active. |
boolean |
has_no_active_member()
Returns true if the union has no active member. |
TCKind |
member_kind()
Returns the kind of the currently active union member. |
String |
member_name()
Returns the name of the currently active union member. |
DynAny |
member()
Get the current variant of the union content. |
void |
set_discriminator(DynAny aDiscriminator)
Set the value of discriminator, activating the member variant that is consistent with the discriminator value. |
void |
set_to_default_member()
Set the discriminator to default value. |
void |
set_to_no_active_member()
Set the discriminator to value that does not correspond any content variant (any union case label). |
Methods inherited from interface org.omg.DynamicAny.DynAnyOperations |
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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 |
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DynAny get_discriminator()
Get the value of discriminator, defining which content variant (member) is active.
In the current implementation, the later changes on the returned value alter the state of the union via implemented internal listener.
void set_discriminator(DynAny aDiscriminator) throws TypeMismatch
Set the value of discriminator, activating the member variant that is consistent with the discriminator value. If the current member variant matches the discriminator being set, it is unchanged. Otherwise, it is replaced by the matching member variant with fields, initialised to default values. The current position is set to 0 if the discriminator value does not match any member variant. Otherwise, the current position is set to 1, index of the member variant.
TypeMismatch
- if the discriminator has a wrong type of this union.TCKind discriminator_kind()
DynAny member() throws InvalidValue
InvalidValue
- if the union has no active member.TCKind member_kind() throws InvalidValue
InvalidValue
- if the union has no active member.String member_name() throws InvalidValue
InvalidValue
- if the union has no active member.boolean has_no_active_member()
void set_to_default_member() throws TypeMismatch
TypeMismatch
- if the default case is not defined for this union.void set_to_no_active_member() throws TypeMismatch
case
label). The current position is set to 0.
The size of the union becomes 0.
TypeMismatch
- if the union has explicit default case.
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