001 /* CurrentOperations.java --
002 Copyright (C) 2005 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.PortableInterceptor;
040
041 import org.omg.CORBA.Any;
042 import org.omg.CORBA.BAD_INV_ORDER;
043
044 /**
045 * Defines the operations, applicable to the portable interceptor Current.
046 *
047 * Portable Interceptors Current (also known as PICurrent) is a slot table. Each
048 * slot has an integer identifier, can hold a CORBA {@link Any} and is used by
049 * some service to transfer data between thread and request contexts. Each
050 * service which wishes to use PICurrent reserves a slot or slots at
051 * initialization time and uses those slots during the processing of requests
052 * and replies.
053 *
054 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
055 */
056 public interface CurrentOperations
057 extends org.omg.CORBA.CurrentOperations
058 {
059 /**
060 * Get data from the slot with the given slot_id.
061 *
062 * @param slot_id the slot slot_id.
063 *
064 * @return the Any that was stored in the slot. If the given slot has not been
065 * set, the returned Any contains a type code with a TCKind value of tk_null
066 * and has no value.
067 *
068 * @throws InvalidSlot for the unknown slot.
069 * @throws BAD_INV_ORDER minor 10 if called from the {@link ORBInitializer}
070 * methods.
071 */
072 Any get_slot(int slot_id) throws InvalidSlot, BAD_INV_ORDER;
073
074 /**
075 * Sets data for the slot with the given slot_id.
076 *
077 * @param slot_id the slot slot_id.
078 *
079 * @param data the Any that will be stored into the slot.
080 *
081 * @throws InvalidSlot for the unknown slot.
082 * @throws BAD_INV_ORDER minor 10 if called from the {@link ORBInitializer}
083 * methods.
084 *
085 */
086 void set_slot(int slot_id, Any data) throws InvalidSlot, BAD_INV_ORDER;
087 }