001 /* LifespanPolicyValue.java -- 002 Copyright (C) 2005, 2006 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package org.omg.PortableServer; 040 041 import gnu.CORBA.Minor; 042 043 import org.omg.CORBA.BAD_OPERATION; 044 import org.omg.CORBA.BAD_PARAM; 045 import org.omg.CORBA.portable.IDLEntity; 046 047 import java.io.Serializable; 048 049 /** 050 * Specifies the object life span policy. 051 * 052 * This enumeration can obtain the following values: 053 * <ul> 054 * <li>TRANSIENT The objects implemented in the POA never outlive 055 * the POA instance in which they are first created.</li> 056 * <li>PERSISTENT The mentioned objects can outlive the process in 057 * which they are first created.</li> 058 * </ul> 059 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 060 */ 061 public class LifespanPolicyValue 062 implements Serializable, IDLEntity 063 { 064 /** 065 * Use serialVersionUID (V1.4) for interoperability. 066 */ 067 private static final long serialVersionUID = 6604562925399671611L; 068 069 /** 070 * The value field for the current instance. 071 */ 072 private final int _value; 073 074 /** 075 * The possible value of this enumeration (TRANSIENT). 076 */ 077 public static final int _TRANSIENT = 0; 078 079 /** 080 * An instance of LifespanPolicyValue, initialized to TRANSIENT. 081 */ 082 public static final LifespanPolicyValue TRANSIENT = 083 new LifespanPolicyValue(_TRANSIENT); 084 085 /** 086 * The possible value of this enumeration (PERSISTENT). 087 */ 088 public static final int _PERSISTENT = 1; 089 090 /** 091 * An instance of LifespanPolicyValue, initialized to PERSISTENT. 092 */ 093 public static final LifespanPolicyValue PERSISTENT = 094 new LifespanPolicyValue(_PERSISTENT); 095 096 /** 097 * The private array that maps integer codes to the enumeration 098 * values. 099 */ 100 private static final LifespanPolicyValue[] enume = 101 new LifespanPolicyValue[] { TRANSIENT, PERSISTENT }; 102 103 /** 104 * The private array of state names. 105 */ 106 private static final String[] state_names = 107 new String[] { "TRANSIENT", "PERSISTENT" }; 108 109 /** 110 * Normally, no new instances are required, so the constructor is protected. 111 */ 112 protected LifespanPolicyValue(int a_value) 113 { 114 _value = a_value; 115 } 116 117 /** 118 * Returns the LifespanPolicyValue, matching the given integer constant. 119 * 120 * @param code one of _TRANSIENT, _PERSISTENT. 121 * @return one of TRANSIENT, PERSISTENT. 122 * @throws BAD_PARAM if the parameter is not one of the valid values. 123 */ 124 public static LifespanPolicyValue from_int(int code) 125 { 126 try 127 { 128 return enume [ code ]; 129 } 130 catch (ArrayIndexOutOfBoundsException ex) 131 { 132 BAD_OPERATION bad = new BAD_OPERATION("Invalid policy code " + code); 133 bad.minor = Minor.PolicyType; 134 throw bad; 135 } 136 } 137 138 /** 139 * Returns a short string representation. 140 * @return the name of the current enumeration value. 141 */ 142 public String toString() 143 { 144 return state_names [ _value ]; 145 } 146 147 /** 148 * Returns the integer code of the policy value. 149 * @return _TRANSIENT or _PERSISTENT. 150 */ 151 public int value() 152 { 153 return _value; 154 } 155 }