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1: /* State.java -- 2: Copyright (C) 2005 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.POAManagerPackage; 40: 41: import org.omg.CORBA.BAD_OPERATION; 42: import org.omg.CORBA.portable.IDLEntity; 43: 44: import java.io.Serializable; 45: 46: /** 47: * Defines the possible states of the POA manager. 48: * 49: * This enumeration can obtain the following values: 50: * <ul> 51: * <li>ACTIVE When the manager is in the active state, the associated POAs 52: * receive and process requests.</li> 53: * <li>DISCARDING When the manager is in the discarding state, 54: * the associated POAs discard all incoming requests. The sending clients 55: * receive the {@link org.omg.TRANSIENT} system exception, with standard 56: * minor code 1. This mode is needed for flow control, when the system is 57: * flooded with requests. 58: * </li> 59: * <li>HOLDING When the manager is in the holding state, the associated POAs 60: * queue incoming requests.</li> 61: * <li>INACTIVE This state is entered when the associated POAs are to be 62: * shut down.</li> 63: * </ul> 64: * 65: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 66: */ 67: public class State 68: implements Serializable, IDLEntity 69: { 70: /** 71: * Use serialVersionUID (v1.4) for interoperability. 72: */ 73: private static final long serialVersionUID = -2451866258678193271L; 74: 75: /** 76: * The value field for the current instance. 77: */ 78: private final int _value; 79: 80: /** 81: * The possible value of this enumeration (HOLDING). 82: */ 83: public static final int _HOLDING = 0; 84: 85: /** 86: * An instance of State, initialized to HOLDING. 87: */ 88: public static final State HOLDING = new State(_HOLDING); 89: 90: /** 91: * The possible value of this enumeration (ACTIVE). 92: */ 93: public static final int _ACTIVE = 1; 94: 95: /** 96: * An instance of State, initialized to ACTIVE. 97: */ 98: public static final State ACTIVE = new State(_ACTIVE); 99: 100: /** 101: * The possible value of this enumeration (DISCARDING). 102: */ 103: public static final int _DISCARDING = 2; 104: 105: /** 106: * An instance of State, initialized to DISCARDING. 107: */ 108: public static final State DISCARDING = new State(_DISCARDING); 109: 110: /** 111: * The possible value of this enumeration (INACTIVE). 112: */ 113: public static final int _INACTIVE = 3; 114: 115: /** 116: * An instance of State, initialized to INACTIVE. 117: */ 118: public static final State INACTIVE = new State(_INACTIVE); 119: 120: /** 121: * The private array that maps integer codes to the enumeration 122: * values. 123: */ 124: private static final State[] enume = 125: new State[] { HOLDING, ACTIVE, DISCARDING, INACTIVE }; 126: 127: /** 128: * The private array of state names. 129: */ 130: private static final String[] state_names = 131: new String[] { "HOLDING", "ACTIVE", "DISCARDING", "INACTIVE" }; 132: 133: /** 134: * Normally, no new instances are required, so the constructor is protected. 135: */ 136: protected State(int a_value) 137: { 138: _value = a_value; 139: } 140: 141: /** 142: * Returns the State, matching the given integer constant. 143: * 144: * @param code one of _HOLDING, _ACTIVE, _DISCARDING, _INACTIVE. 145: * @return one of HOLDING, ACTIVE, DISCARDING, INACTIVE. 146: * @throws BAD_PARAM if the parameter is not one of the valid values. 147: */ 148: public static State from_int(int code) 149: { 150: try 151: { 152: return enume [ code ]; 153: } 154: catch (ArrayIndexOutOfBoundsException ex) 155: { 156: throw new BAD_OPERATION("Invalid enumeration code " + code); 157: } 158: } 159: 160: /** 161: * Returns a short string representation. 162: * @return the name of the current enumeration value. 163: */ 164: public String toString() 165: { 166: return state_names [ _value ]; 167: } 168: 169: /** 170: * Returns the integer code of the enumeration value. 171: * @return one of HOLDING, ACTIVE, DISCARDING, INACTIVE. 172: */ 173: public int value() 174: { 175: return _value; 176: }
GNU Classpath (0.17) |