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102 lines
4.7 KiB
102 lines
4.7 KiB
package org.omg.DynamicAny;
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/**
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* org/omg/DynamicAny/DynUnionOperations.java .
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* Generated by the IDL-to-Java compiler (portable), version "3.2"
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* from c:/re/workspace/8-2-build-windows-amd64-cygwin/jdk8u201/12322/corba/src/share/classes/org/omg/DynamicAny/DynamicAny.idl
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* Saturday, December 15, 2018 6:38:38 PM PST
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*/
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/**
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* DynUnion objects support the manipulation of IDL unions.
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* A union can have only two valid current positions:
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* <UL>
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* <LI>zero, which denotes the discriminator
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* <LI>one, which denotes the active member
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* </UL>
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* The component_count value for a union depends on the current discriminator:
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* it is 2 for a union whose discriminator indicates a named member, and 1 otherwise.
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*/
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public interface DynUnionOperations extends org.omg.DynamicAny.DynAnyOperations
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{
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/**
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* Returns the current discriminator value.
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*/
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org.omg.DynamicAny.DynAny get_discriminator ();
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/**
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* Sets the discriminator of the DynUnion to the specified value.
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* Setting the discriminator to a value that is consistent with the currently active union member
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* does not affect the currently active member. Setting the discriminator to a value that is inconsistent
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* with the currently active member deactivates the member and activates the member that is consistent
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* with the new discriminator value (if there is a member for that value) by initializing the member
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* to its default value.
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* Setting the discriminator of a union sets the current position to 0 if the discriminator value
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* indicates a non-existent union member (has_no_active_member returns true in this case).
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* Otherwise, if the discriminator value indicates a named union member, the current position is set to 1
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* (has_no_active_member returns false and component_count returns 2 in this case).
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*
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* @exception TypeMismatch if the TypeCode of the parameter is not equivalent to the TypeCode
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* of the union's discriminator
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*/
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void set_discriminator (org.omg.DynamicAny.DynAny d) throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch;
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/**
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* Sets the discriminator to a value that is consistent with the value of the default case of a union.
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* It sets the current position to zero and causes component_count to return 2.
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*
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* @exception TypeMismatch if the union does not have an explicit default case
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*/
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void set_to_default_member () throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch;
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/**
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* Sets the discriminator to a value that does not correspond to any of the unions case labels.
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* It sets the current position to zero and causes component_count to return 1.
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*
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* @exception TypeMismatch if the union has an explicit default case or if it uses the entire range
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* of discriminator values for explicit case labels
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*/
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void set_to_no_active_member () throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch;
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/**
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* Returns true if the union has no active member, that is, the unions value consists solely
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* of its discriminator because the discriminator has a value that is not listed as an explicit case label.
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* Calling this operation on a union that has a default case returns false.
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* Calling this operation on a union that uses the entire range of discriminator values
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* for explicit case labels returns false.
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*/
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boolean has_no_active_member ();
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/**
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* Returns the TCKind value of the discriminators TypeCode.
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*/
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org.omg.CORBA.TCKind discriminator_kind ();
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/**
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* Returns the TCKind value of the currently active members TypeCode.
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*
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* @exception InvalidValue if the union does not have a currently active member
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*/
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org.omg.CORBA.TCKind member_kind () throws org.omg.DynamicAny.DynAnyPackage.InvalidValue;
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/**
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* Returns the currently active member. Note that the returned reference remains valid only
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* for as long as the currently active member does not change. Using the returned reference
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* beyond the life time of the currently active member raises OBJECT_NOT_EXIST.
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*
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* @exception InvalidValue if the union has no active member
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*/
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org.omg.DynamicAny.DynAny member () throws org.omg.DynamicAny.DynAnyPackage.InvalidValue;
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/**
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* Returns the name of the currently active member. If the unions TypeCode does not contain
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* a member name for the currently active member, the operation returns an empty string.
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*
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* @exception InvalidValue if the union has no active member
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*/
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String member_name () throws org.omg.DynamicAny.DynAnyPackage.InvalidValue;
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} // interface DynUnionOperations
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