001/* CurrentOperations.java -- 002 Copyright (C) 2005 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package org.omg.PortableInterceptor; 040 041import org.omg.CORBA.Any; 042import 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 */ 056public 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}