org.omg.CORBA

Class DoubleHolder

Contents
  • All Implemented Interfaces:
    Streamable

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

    A Holder class for a double that is used to store "out" and "inout" parameters in IDL methods. If an IDL method signature has an IDL double as an "out" or "inout" parameter, the programmer must pass an instance of DoubleHolder 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 myDoubleHolder is an instance of DoubleHolder, the value stored in its value field can be accessed with myDoubleHolder.value.

    Since:
    JDK1.2

    • Field Detail

      • value

        public double value
        The double value held by this DoubleHolder object.

    • Constructor Detail

      • DoubleHolder

        public DoubleHolder()
        Constructs a new DoubleHolder object with its value field initialized to 0.0.

      • DoubleHolder

        public DoubleHolder(double initial)
        Constructs a new DoubleHolder object for the given double.
        Parameters:
        initial - the double with which to initialize the value field of the new DoubleHolder object

    • Method Detail

      • _read

        public void _read(InputStream input)
        Read a double value from the input stream and store it in the value member.
        Specified by:
        _read in interface Streamable
        Parameters:
        input - the InputStream to read from.

      • _write

        public void _write(OutputStream output)
        Write the double value stored in this holder to an OutputStream.
        Specified by:
        _write in interface Streamable
        Parameters:
        output - the OutputStream to write into.

      • _type

        public TypeCode _type()
        Return the TypeCode of this holder object.
        Specified by:
        _type in interface Streamable
        Returns:
        the TypeCode object.

Document created the 11/06/2005, last modified the 04/03/2020
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