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Java > Open Source Codes > org > omg > PortableServer > Servant


1 /***** Copyright (c) 1999 Object Management Group. Unlimited rights to
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3        duplicate and use this code are hereby granted provided that this
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5        copyright notice is included.
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7 *****/
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11 package org.omg.PortableServer;
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15 abstract public class Servant {
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19     final public org.omg.CORBA.Object JavaDoc _this_object() {
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21         return _get_delegate().this_object(this);
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23     }
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27     final public org.omg.CORBA.Object JavaDoc _this_object(org.omg.CORBA.ORB JavaDoc orb) {
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29         try {
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31             ((org.omg.CORBA_2_3.ORB JavaDoc)orb).set_delegate(this);
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33         }
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35         catch (ClassCastException JavaDoc e) {
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37             throw new org.omg.CORBA.BAD_PARAM JavaDoc(
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39     "POA Servant requires an instanceof org.omg.CORBA_2_3.ORB");
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41         }
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43         return _this_object();
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45     }
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49     final public org.omg.CORBA.ORB JavaDoc _orb() {
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51         return _get_delegate().orb(this);
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53     }
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57     final public POA JavaDoc _poa() {
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59         return _get_delegate().poa(this);
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61     }
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65     final public byte[] _object_id() {
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67         return _get_delegate().object_id(this);
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69     }
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73     /**
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75      * Note: the written spec. says the following four
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77      * methods may be overridden in subclasses, so the
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79      * "final" modifier seems wrong here...
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81      */
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85     /* final */ public POA JavaDoc _default_POA() {
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87         return _get_delegate().default_POA(this);
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89     }
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93     /* final */ public boolean _is_a(String JavaDoc repository_id) {
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95         return _get_delegate().is_a(this, repository_id);
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97     }
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101     /* final */ public boolean _non_existent() {
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103         return _get_delegate().non_existent(this);
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105     }
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109     /* final */ public org.omg.CORBA.InterfaceDef JavaDoc _get_interface() {
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111         return _get_delegate().get_interface(this);
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113     }
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117     abstract public String JavaDoc[] _all_interfaces(POA JavaDoc poa, byte[] objectID);
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121     private transient org.omg.PortableServer.portable.Delegate JavaDoc _delegate =null;
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125     final public org.omg.PortableServer.portable.Delegate JavaDoc _get_delegate() {
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127         if (_delegate == null) {
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129             throw new org.omg.CORBA.BAD_INV_ORDER JavaDoc(
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131                 "The Servant has not been associated with an ORBinstance");
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133         }
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135         return _delegate;
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137     }
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141     final public void _set_delegate(
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143             org.omg.PortableServer.portable.Delegate JavaDoc delegate) {
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145         _delegate = delegate;
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147     }
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149 }
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