org.omg.DynamicAny

Interface DynValueOperations

Table des matières
  • All Superinterfaces:
    DynAnyOperations, DynValueCommonOperations
    All Known Subinterfaces:
    DynValue
    All Known Implementing Classes:
    _DynValueStub

    public interface DynValueOperations
extends DynValueCommonOperations
    DynValue objects support the manipulation of IDL non-boxed value types. The DynValue interface can represent both null and non-null value types. For a DynValue representing a non-null value type, the DynValue's components comprise the public and private members of the value type, including those inherited from concrete base value types, in the order of definition. A DynValue representing a null value type has no components and a current position of -1.

    Warning: Indiscriminantly changing the contents of private value type members can cause the value type implementation to break by violating internal constraints. Access to private members is provided to support such activities as ORB bridging and debugging and should not be used to arbitrarily violate the encapsulation of the value type.

    • Method Detail

      • current_member_name

        String current_member_name()
                           throws TypeMismatch,
                                  InvalidValue
        Returns the name of the member at the current position. This operation may return an empty string since the TypeCode of the value being manipulated may not contain the names of members.
        Throws:
        TypeMismatch - if the DynValue represents a null value type.
        InvalidValue - if the current position does not indicate a member

      • current_member_kind

        TCKind current_member_kind()
                           throws TypeMismatch,
                                  InvalidValue
        Returns the TCKind associated with the member at the current position.
        Throws:
        TypeMismatch - if the DynValue represents a null value type.
        InvalidValue - if the current position does not indicate a member

      • get_members

        NameValuePair[] get_members()
                            throws InvalidValue
        Returns a sequence of NameValuePairs describing the name and the value of each member in the value type. The sequence contains members in the same order as the declaration order of members as indicated by the DynValue's TypeCode. The current position is not affected. The member names in the returned sequence will be empty strings if the DynValue's TypeCode does not contain member names.
        Throws:
        InvalidValue - if this object represents a null value type

      • set_members

        void set_members(NameValuePair[] value)
                 throws TypeMismatch,
                        InvalidValue
        Initializes the value type's members from a sequence of NameValuePairs. The operation sets the current position to zero if the passed sequences has non-zero length. Otherwise, if an empty sequence is passed, the current position is set to -1. A null value type can be initialized to a non-null value type using this method.

        Members must appear in the NameValuePairs in the order in which they appear in the IDL specification of the value type as indicated by the DynValue's TypeCode or they must be empty strings. The operation makes no attempt to assign member values based on member names.

        Throws:
        TypeMismatch - if the member names supplied in the passed sequence do not match the corresponding member name in the DynValue's TypeCode and they are not empty strings
        InvalidValue - if the passed sequence has a number of elements that disagrees with the number of members as indicated by the DynValue's TypeCode

      • get_members_as_dyn_any

        NameDynAnyPair[] get_members_as_dyn_any()
                                        throws InvalidValue
        Returns a sequence of NameDynAnyPairs describing the name and the value of each member in the value type. The sequence contains members in the same order as the declaration order of members as indicated by the DynValue's TypeCode. The current position is not affected. The member names in the returned sequence will be empty strings if the DynValue's TypeCode does not contain member names.
        Throws:
        InvalidValue - if this object represents a null value type

      • set_members_as_dyn_any

        void set_members_as_dyn_any(NameDynAnyPair[] value)
                            throws TypeMismatch,
                                   InvalidValue
        Initializes the value type's members from a sequence of NameDynAnyPairs. The operation sets the current position to zero if the passed sequences has non-zero length. Otherwise, if an empty sequence is passed, the current position is set to -1. A null value type can be initialized to a non-null value type using this method.

        Members must appear in the NameDynAnyPairs in the order in which they appear in the IDL specification of the value type as indicated by the DynValue's TypeCode or they must be empty strings. The operation makes no attempt to assign member values based on member names.

        Throws:
        TypeMismatch - if the member names supplied in the passed sequence do not match the corresponding member name in the DynValue's TypeCode and they are not empty strings
        InvalidValue - if the passed sequence has a number of elements that disagrees with the number of members as indicated by the DynValue's TypeCode

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Document créé le 30/08/2006, dernière modification le 04/03/2020
Source du document imprimé : https://www.gaudry.be/java-api-rf-org/omg/dynamicany/dynvalueoperations.html

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Références

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