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Java Standard Edition (SE)

TypeCodeHolder


org.omg.CORBA

Class TypeCodeHolder

  • All Implemented Interfaces:
    Streamable


    public final class TypeCodeHolder
    extends Object
    implements Streamable
    The Holder for TypeCode. For more information on Holder files, see "Generated Files: Holder Files".

    A Holder class for a TypeCode object that is used to store "out" and "inout" parameters in IDL operations. If an IDL operation signature has an IDL TypeCode as an "out" or "inout" parameter, the programmer must pass an instance of TypeCodeHolder as the corresponding parameter in the method invocation; for "inout" parameters, the programmer must also fill the "in" value to be sent to the server. Before the method invocation returns, the ORB will fill in the value corresponding to the "out" value returned from the server.

    If myTypeCodeHolder is an instance of TypeCodeHolder, the value stored in its value field can be accessed with myTypeCodeHolder.value.

    Since:
    JDK1.2
    • Field Detail

      • value

        public TypeCode value
        The TypeCode value held by this TypeCodeHolder object.
    • Constructor Detail

      • TypeCodeHolder

        public TypeCodeHolder()
        Constructs a new TypeCodeHolder object with its value field initialized to null.
      • TypeCodeHolder

        public TypeCodeHolder(TypeCode initial)
        Constructs a new TypeCodeHolder object with its value field initialized to the given TypeCode object.
        Parameters:
        initial - the TypeCode object with which to initialize the value field of the newly-created TypeCodeHolder object
    • Method Detail

      • _read

        public void _read(InputStream input)
        Reads from input and initalizes the value in this TypeCodeHolder object with the unmarshalled data.
        Specified by:
        _read in interface Streamable
        Parameters:
        input - the InputStream containing CDR formatted data from the wire
      • _write

        public void _write(OutputStream output)
        Marshals to output the value in this TypeCodeHolder object.
        Specified by:
        _write in interface Streamable
        Parameters:
        output - the OutputStream which will contain the CDR formatted data
      • _type

        public TypeCode _type()
        Returns the TypeCode corresponding to the value held in this TypeCodeHolder object.
        Specified by:
        _type in interface Streamable
        Returns:
        the TypeCode of the value held in this TypeCodeHolder object


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