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package org.omg.DynamicAny;


/**
* org/omg/DynamicAny/DynUnionOperations.java .
* Generated by the IDL-to-Java compiler (portable), version "3.2"
* from /home/tomek/workspace/openjdk-orb/src/share/classes/org/omg/DynamicAny/DynamicAny.idl
* poniedziałek, 13 maja 2019 00:03:14 CEST
*/


/**
    * 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. */ public interface DynUnionOperations extends org.omg.DynamicAny.DynAnyOperations { /** * Returns the current discriminator value. */ org.omg.DynamicAny.DynAny get_discriminator (); /** * Sets the discriminator of the DynUnion to the specified value. * Setting the discriminator to a value that is consistent with the currently active union member * does not affect the currently active member. Setting the discriminator to a value that is inconsistent * with the currently active member deactivates the member and activates the member that is consistent * with the new discriminator value (if there is a member for that value) by initializing the member * to its default value. * Setting the discriminator of a union sets the current position to 0 if the discriminator value * indicates a non-existent union member (has_no_active_member returns true in this case). * Otherwise, if the discriminator value indicates a named union member, the current position is set to 1 * (has_no_active_member returns false and component_count returns 2 in this case). * * @exception TypeMismatch if the TypeCode of the parameter is not equivalent to the TypeCode * of the union's discriminator */ void set_discriminator (org.omg.DynamicAny.DynAny d) throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch; /** * Sets the discriminator to a value that is consistent with the value of the default case of a union. * It sets the current position to zero and causes component_count to return 2. * * @exception TypeMismatch if the union does not have an explicit default case */ void set_to_default_member () throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch; /** * Sets the discriminator to a value that does not correspond to any of the unions case labels. * It sets the current position to zero and causes component_count to return 1. * * @exception TypeMismatch if the union has an explicit default case or if it uses the entire range * of discriminator values for explicit case labels */ void set_to_no_active_member () throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch; /** * Returns true if the union has no active member, that is, the unions value consists solely * of its discriminator because the discriminator has a value that is not listed as an explicit case label. * Calling this operation on a union that has a default case returns false. * Calling this operation on a union that uses the entire range of discriminator values * for explicit case labels returns false. */ boolean has_no_active_member (); /** * Returns the TCKind value of the discriminators TypeCode. */ org.omg.CORBA.TCKind discriminator_kind (); /** * Returns the TCKind value of the currently active members TypeCode. * * @exception InvalidValue if the union does not have a currently active member */ org.omg.CORBA.TCKind member_kind () throws org.omg.DynamicAny.DynAnyPackage.InvalidValue; /** * Returns the currently active member. Note that the returned reference remains valid only * for as long as the currently active member does not change. Using the returned reference * beyond the life time of the currently active member raises OBJECT_NOT_EXIST. * * @exception InvalidValue if the union has no active member */ org.omg.DynamicAny.DynAny member () throws org.omg.DynamicAny.DynAnyPackage.InvalidValue; /** * Returns the name of the currently active member. If the unions TypeCode does not contain * a member name for the currently active member, the operation returns an empty string. * * @exception InvalidValue if the union has no active member */ String member_name () throws org.omg.DynamicAny.DynAnyPackage.InvalidValue; } // interface DynUnionOperations




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