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1 /* |
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2 * Copyright (c) 1995, 2001, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package org.omg.CORBA; |
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27 |
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28 import org.omg.CORBA.portable.Streamable; |
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29 import org.omg.CORBA.portable.InputStream; |
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30 import org.omg.CORBA.portable.OutputStream; |
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31 |
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32 /** |
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33 * The Holder for <tt>Short</tt>. For more information on |
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34 * Holder files, see <a href="doc-files/generatedfiles.html#holder"> |
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35 * "Generated Files: Holder Files"</a>.<P |
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36 * A Holder class for a <code>short</code> |
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37 * that is used to store "out" and "inout" parameters in IDL operations. |
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38 * If an IDL operation signature has an IDL <code>short</code> as an "out" |
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39 * or "inout" parameter, the programmer must pass an instance of |
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40 * <code>ShortHolder</code> as the corresponding |
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41 * parameter in the method invocation; for "inout" parameters, the programmer |
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42 * must also fill the "in" value to be sent to the server. |
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43 * Before the method invocation returns, the ORB will fill in the |
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44 * value corresponding to the "out" value returned from the server. |
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45 * <P> |
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46 * If <code>myShortHolder</code> is an instance of <code>ShortHolder</code>, |
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47 * the value stored in its <code>value</code> field can be accessed with |
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48 * <code>myShortHolder.value</code>. |
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49 * |
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50 * @since JDK1.2 |
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51 */ |
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52 public final class ShortHolder implements Streamable { |
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53 |
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54 /** |
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55 * The <code>short</code> value held by this <code>ShortHolder</code> |
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56 * object. |
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57 */ |
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58 public short value; |
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59 |
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60 /** |
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61 * Constructs a new <code>ShortHolder</code> object with its |
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62 * <code>value</code> field initialized to <code>0</code>. |
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63 */ |
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64 public ShortHolder() { |
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65 } |
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66 |
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67 /** |
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68 * Constructs a new <code>ShortHolder</code> object with its |
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69 * <code>value</code> field initialized to the given |
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70 * <code>short</code>. |
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71 * @param initial the <code>short</code> with which to initialize |
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72 * the <code>value</code> field of the newly-created |
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73 * <code>ShortHolder</code> object |
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74 */ |
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75 public ShortHolder(short initial) { |
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76 value = initial; |
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77 } |
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78 |
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79 /** |
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80 * Reads from <code>input</code> and initalizes the value in |
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81 * this <code>ShortHolder</code> object |
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82 * with the unmarshalled data. |
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83 * |
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84 * @param input the InputStream containing CDR formatted data from the wire. |
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85 */ |
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86 public void _read(InputStream input) { |
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87 value = input.read_short(); |
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88 } |
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89 |
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90 /** |
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91 * Marshals to <code>output</code> the value in |
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92 * this <code>ShortHolder</code> object. |
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93 * |
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94 * @param output the OutputStream which will contain the CDR formatted data. |
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95 */ |
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96 public void _write(OutputStream output) { |
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97 output.write_short(value); |
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98 } |
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99 |
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100 /** |
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101 * Returns the TypeCode corresponding to the value held in |
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102 * this <code>ShortHolder</code> object. |
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103 * |
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104 * @return the TypeCode of the value held in |
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105 * this <code>ShortHolder</code> object |
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106 */ |
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107 public org.omg.CORBA.TypeCode _type() { |
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108 return ORB.init().get_primitive_tc(TCKind.tk_short); |
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109 } |
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110 } |