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org.omg.CORBA

Class StringHolder

Contents
  • All Implemented Interfaces:
    Streamable

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

    A Holder class for a String that is used to store "out" and "inout" parameters in IDL operations. If an IDL operation signature has an IDL string as an "out" or "inout" parameter, the programmer must pass an instance of StringHolder 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 myStringHolder is an instance of StringHolder, the value stored in its value field can be accessed with myStringHolder.value.

    Since:
    JDK1.2

    • Field Detail

      • value

        public String value
        The String value held by this StringHolder object.

    • Constructor Detail

      • StringHolder

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

      • StringHolder

        public StringHolder(String initial)
        Constructs a new StringHolder object with its value field initialized to the given String.
        Parameters:
        initial - the String with which to initialize the value field of the newly-created StringHolder object

    • Method Detail

      • _read

        public void _read(InputStream input)
        Reads the unmarshalled data from input and assigns it to the value field of this StringHolder object.
        Specified by:
        _read in interface Streamable
        Parameters:
        input - the InputStream containing CDR formatted data from the wire.

      • _write

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

      • _type

        public TypeCode _type()
        Retrieves the TypeCode object that corresponds to the value held in this StringHolder object.
        Specified by:
        _type in interface Streamable
        Returns:
        the type code of the value held in this StringHolder object
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