1 /* LifespanPolicyValue.java -- 2 Copyright (C) 2005, 2006 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 6 GNU Classpath is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU Classpath is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 21 Linking this library statically or dynamically with other modules is 22 making a combined work based on this library. Thus, the terms and 23 conditions of the GNU General Public License cover the whole 24 combination. 25 26 As a special exception, the copyright holders of this library give you 27 permission to link this library with independent modules to produce an 28 executable, regardless of the license terms of these independent 29 modules, and to copy and distribute the resulting executable under 30 terms of your choice, provided that you also meet, for each linked 31 independent module, the terms and conditions of the license of that 32 module. An independent module is a module which is not derived from 33 or based on this library. If you modify this library, you may extend 34 this exception to your version of the library, but you are not 35 obligated to do so. If you do not wish to do so, delete this 36 exception statement from your version. */ 37 38 39 package org.omg.PortableServer; 40 41 import gnu.CORBA.Minor; 42 43 import org.omg.CORBA.BAD_OPERATION; 44 import org.omg.CORBA.BAD_PARAM; 45 import org.omg.CORBA.portable.IDLEntity; 46 47 import java.io.Serializable; 48 49 /** 50 * Specifies the object life span policy. 51 * 52 * This enumeration can obtain the following values: 53 * <ul> 54 * <li>TRANSIENT The objects implemented in the POA never outlive 55 * the POA instance in which they are first created.</li> 56 * <li>PERSISTENT The mentioned objects can outlive the process in 57 * which they are first created.</li> 58 * </ul> 59 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 60 */ 61 public class LifespanPolicyValue 62 implements Serializable, IDLEntity 63 { 64 /** 65 * Use serialVersionUID (V1.4) for interoperability. 66 */ 67 private static final long serialVersionUID = 6604562925399671611L; 68 69 /** 70 * The value field for the current instance. 71 */ 72 private final int _value; 73 74 /** 75 * The possible value of this enumeration (TRANSIENT). 76 */ 77 public static final int _TRANSIENT = 0; 78 79 /** 80 * An instance of LifespanPolicyValue, initialized to TRANSIENT. 81 */ 82 public static final LifespanPolicyValue TRANSIENT = 83 new LifespanPolicyValue(_TRANSIENT); 84 85 /** 86 * The possible value of this enumeration (PERSISTENT). 87 */ 88 public static final int _PERSISTENT = 1; 89 90 /** 91 * An instance of LifespanPolicyValue, initialized to PERSISTENT. 92 */ 93 public static final LifespanPolicyValue PERSISTENT = 94 new LifespanPolicyValue(_PERSISTENT); 95 96 /** 97 * The private array that maps integer codes to the enumeration 98 * values. 99 */ 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 */ LifespanPolicyValue(int a_value)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 */ from_int(int code)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 */ toString()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 */ value()151 public int value() 152 { 153 return _value; 154 } 155 } 156