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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 gnu.CORBA.Minor; 42: 43: import org.omg.CORBA.BAD_OPERATION; 44: import org.omg.CORBA.portable.IDLEntity; 45: 46: import java.io.Serializable; 47: 48: /** 49: * Defines the possible states of the POA manager. 50: * 51: * This enumeration can obtain the following values: 52: * <ul> 53: * <li>ACTIVE When the manager is in the active state, the associated POAs 54: * receive and process requests.</li> 55: * <li>DISCARDING When the manager is in the discarding state, 56: * the associated POAs discard all incoming requests. The sending clients 57: * receive the {@link org.omg.TRANSIENT} system exception, with standard 58: * minor code 1. This mode is needed for flow control, when the system is 59: * flooded with requests. 60: * </li> 61: * <li>HOLDING When the manager is in the holding state, the associated POAs 62: * queue incoming requests.</li> 63: * <li>INACTIVE This state is entered when the associated POAs are to be 64: * shut down.</li> 65: * </ul> 66: * 67: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 68: */ 69: public class State 70: implements Serializable, IDLEntity 71: { 72: /** 73: * Use serialVersionUID (v1.4) for interoperability. 74: */ 75: private static final long serialVersionUID = -2451866258678193271L; 76: 77: /** 78: * The value field for the current instance. 79: */ 80: private final int _value; 81: 82: /** 83: * The possible value of this enumeration (HOLDING). 84: */ 85: public static final int _HOLDING = 0; 86: 87: /** 88: * An instance of State, initialized to HOLDING. 89: */ 90: public static final State HOLDING = new State(_HOLDING); 91: 92: /** 93: * The possible value of this enumeration (ACTIVE). 94: */ 95: public static final int _ACTIVE = 1; 96: 97: /** 98: * An instance of State, initialized to ACTIVE. 99: */ 100: public static final State ACTIVE = new State(_ACTIVE); 101: 102: /** 103: * The possible value of this enumeration (DISCARDING). 104: */ 105: public static final int _DISCARDING = 2; 106: 107: /** 108: * An instance of State, initialized to DISCARDING. 109: */ 110: public static final State DISCARDING = new State(_DISCARDING); 111: 112: /** 113: * The possible value of this enumeration (INACTIVE). 114: */ 115: public static final int _INACTIVE = 3; 116: 117: /** 118: * An instance of State, initialized to INACTIVE. 119: */ 120: public static final State INACTIVE = new State(_INACTIVE); 121: 122: /** 123: * The private array that maps integer codes to the enumeration 124: * values. 125: */ 126: private static final State[] enume = 127: new State[] { HOLDING, ACTIVE, DISCARDING, INACTIVE }; 128: 129: /** 130: * The private array of state names. 131: */ 132: private static final String[] state_names = 133: new String[] { "HOLDING", "ACTIVE", "DISCARDING", "INACTIVE" }; 134: 135: /** 136: * Normally, no new instances are required, so the constructor is protected. 137: */ 138: protected State(int a_value) 139: { 140: _value = a_value; 141: } 142: 143: /** 144: * Returns the State, matching the given integer constant. 145: * 146: * @param code one of _HOLDING, _ACTIVE, _DISCARDING, _INACTIVE. 147: * @return one of HOLDING, ACTIVE, DISCARDING, INACTIVE. 148: * @throws BAD_PARAM if the parameter is not one of the valid values. 149: */ 150: public static State from_int(int code) 151: { 152: try 153: { 154: return enume[code]; 155: } 156: catch (ArrayIndexOutOfBoundsException ex) 157: { 158: BAD_OPERATION bad = new BAD_OPERATION("Invalid state " + code); 159: bad.minor = Minor.Enumeration; 160: throw bad; 161: } 162: } 163: 164: /** 165: * Returns a short string representation. 166: * 167: * @return the name of the current enumeration value. 168: */ 169: public String toString() 170: { 171: return state_names [ _value ]; 172: } 173: 174: /** 175: * Returns the integer code of the enumeration value. 176: * @return one of HOLDING, ACTIVE, DISCARDING, INACTIVE. 177: */ 178: public int value() 179: { 180: return _value; 181: }
GNU Classpath (0.20) |