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Java Standard Edition (SE)

ValueBaseHolder


org.omg.CORBA

Class ValueBaseHolder

  • All Implemented Interfaces:
    Streamable


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

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

    • Field Detail

      • value

        public Serializable value
        The java.io.Serializable value held by this ValueBaseHolder object.
    • Constructor Detail

      • ValueBaseHolder

        public ValueBaseHolder()
        Constructs a new ValueBaseHolder object with its value field initialized to 0.
      • ValueBaseHolder

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

      • _read

        public void _read(InputStream input)
        Reads from input and initalizes the value in the Holder 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 the Holder.
        Specified by:
        _write in interface Streamable
        Parameters:
        output - the OutputStream which will contain the CDR formatted data
      • _type

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


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