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1: /* POAManagerOperations.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; 40: 41: import org.omg.PortableServer.POAManagerPackage.AdapterInactive; 42: import org.omg.PortableServer.POAManagerPackage.State; 43: 44: /** 45: * Defines the operations, applicable to the {@link POAManager}. 46: * These operations can turn the associated POAs to and from holding, 47: * active and discarding states, but the incative state is irreversible. 48: * The inactivated POAs can only be recreated after they were destroyed. 49: * 50: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 51: */ 52: public interface POAManagerOperations 53: { 54: /** 55: * Turns the associated POAs into active state, allowing them to receive 56: * and process requests. 57: * 58: * @throws AdapterInactive if the POAs are in the inactive state. If 59: * once inactivated, the POA cannot be activated again. 60: * This method can only be called to leave the holding or discarding state. 61: */ 62: void activate() 63: throws AdapterInactive; 64: 65: /** 66: * <p> 67: * Turns the asociated POAs into inactive state. The POAs in the incative 68: * state will reject new requests. A cliet, trying to invoke an 69: * object, belonging to the inactivated POA, will receive the remote exception 70: * ({@link org.omg.CORBA.OBJ_ADAPTER}, minor code 0x535503ea, incomplete). 71: * </p><p> 72: * If the POA is once inactivated, it cannot be activated again. 73: * The operation is used when the associated POAs are to be shut down. 74: * </p> 75: * <p> 76: * Some independent implementations may set the minor code of the 77: * OBJ_ADAPTER to 1, as recommended by OMG (formal/04-03-12). 78: * The interoperable systems should expect any of these two values. 79: * </p> 80: * 81: * @param etherealize_objects if true, the servant managers of the 82: * associated POAs, having RETAIN and USE_SERVANT_MANAGER policies, 83: * will receive a call of {@link ServantActivatorOperations#etherealize}. 84: * 85: * @param wait_for_completion if true, the method call suspends the current 86: * thread till POAs complete the requests they are currently processing. If 87: * false, the method returns immediately. 88: * <p> 89: * 90: * @specnote The 0x535503ea is a Sun specific minor exception code 1002, 91: * used for interoperability reasons. 92: * 93: * @throws AdapterInactive if the POAs are already in the inactive state. 94: * 95: * @see POAOperations#destroy 96: */ 97: void deactivate(boolean etherealize_objects, boolean wait_for_completion) 98: throws AdapterInactive; 99: 100: /** 101: * <p> 102: * Turns the associated POAs into discaring state. In this state, the POAs 103: * discard the incoming requests. This mode is used in situations when 104: * the server is flooded with requests. The client receives remote exception 105: * ({@link org.omg.CORBA.TRANSIENT}, minor code 0x535503e9, incomplete). 106: * </p><p> 107: * Some independent implementations may set the minor code of the 108: * TRANSIENT to 1, as recommended by OMG (formal/04-03-12). 109: * The interoperable systems should expect any of these two values. 110: * </p> 111: * 112: * @param wait_for_completion if true, the method call suspends the current 113: * thread till POAs complete the requests they are currently processing. If 114: * false, the method returns immediately. 115: * 116: * @specnote The 0x535503e9 is a Sun specific minor exception code 1001, 117: * used for interoperability reasons. 118: * 119: * @throws AdapterInactive if the POAs are in the inactive state. 120: */ 121: void discard_requests(boolean wait_for_completion) 122: throws AdapterInactive; 123: 124: /** 125: * Get the state of the POA manager. 126: */ 127: State get_state(); 128: 129: /** 130: * Turns the associated POAs into holding state. In this state, the POAs 131: * queue incoming requests but do not process them. 132: * 133: * @param wait_for_completion if true, the method call suspends the current 134: * thread till POAs complete the requests they are currently processing. If 135: * false, the method returns immediately. 136: 137: * @throws AdapterInactive if the POAs are in the inactive state. 138: */ 139: void hold_requests(boolean wait_for_completion) 140: throws AdapterInactive;
| GNU Classpath (0.95) |