jdk8-mips64-public/corba: src/share/classes/org/omg/CORBA/ValueBaseHolder.java@6845b95cba6b

     1 /*

     2  * Copyright (c) 1999, 2001, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package org.omg.CORBA;

    28 import org.omg.CORBA.portable.Streamable;

    29 import org.omg.CORBA.portable.InputStream;

    30 import org.omg.CORBA.portable.OutputStream;

    32 /**

    33  * The Holder for <tt>ValueBase</tt>.  For more information on

    34  * Holder files, see <a href="doc-files/generatedfiles.html#holder">

    35  * "Generated Files: Holder Files"</a>.<P>

    36  * A Holder class for a <code>java.io.Serializable</code>

    37  * that is used to store "out" and "inout" parameters in IDL methods.

    38  * If an IDL method signature has an IDL <code>ValueBase</code> as an "out"

    39  * or "inout" parameter, the programmer must pass an instance of

    40  * <code>ValueBaseHolder</code> as the corresponding

    41  * parameter in the method invocation; for "inout" parameters, the programmer

    42  * must also fill the "in" value to be sent to the server.

    43  * Before the method invocation returns, the ORB will fill in the

    44  * value corresponding to the "out" value returned from the server.

    45  * <P>

    46  * If <code>myValueBaseHolder</code> is an instance of <code>ValueBaseHolder</code>,

    47  * the value stored in its <code>value</code> field can be accessed with

    48  * <code>myValueBaseHolder.value</code>.

    49  *

    50  */

    51 public final class ValueBaseHolder implements Streamable {

    53     /**

    54      * The <code>java.io.Serializable</code> value held by this

    55      * <code>ValueBaseHolder</code> object.

    56      */

    57     public java.io.Serializable value;

    59     /**

    60      * Constructs a new <code>ValueBaseHolder</code> object with its

    61      * <code>value</code> field initialized to <code>0</code>.

    62      */

    63     public ValueBaseHolder() {

    64     }

    66     /**

    67      * Constructs a new <code>ValueBaseHolder</code> object with its

    68      * <code>value</code> field initialized to the given

    69      * <code>java.io.Serializable</code>.

    70      * @param initial the <code>java.io.Serializable</code> with which to initialize

    71      *                the <code>value</code> field of the newly-created

    72      *                <code>ValueBaseHolder</code> object

    73      */

    74     public ValueBaseHolder(java.io.Serializable initial) {

    75         value = initial;

    76     }

    78     /**

    79      * Reads from <code>input</code> and initalizes the value in the Holder

    80      * with the unmarshalled data.

    81      *

    82      * @param input the InputStream containing CDR formatted data from the wire

    83      */

    84     public void _read(InputStream input) {

    85         value = ((org.omg.CORBA_2_3.portable.InputStream)input).read_value();

    86     }

    88     /**

    89      * Marshals to <code>output</code> the value in the Holder.

    90      *

    91      * @param output the OutputStream which will contain the CDR formatted data

    92      */

    93     public void _write(OutputStream output) {

    94         ((org.omg.CORBA_2_3.portable.OutputStream)output).write_value(value);

    95     }

    97     /**

    98      * Returns the <code>TypeCode</code> object

    99      * corresponding to the value held in the Holder.

   100      *

   101      * @return    the TypeCode of the value held in the holder

   102      */

   103     public org.omg.CORBA.TypeCode _type() {

   104         return ORB.init().get_primitive_tc(TCKind.tk_value);

   105     }

   107 }

Mercurial > jdk8-mips64-public > corba / file revision