001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (C) 2012 Paul Ferraro 004 * 005 * This program is free software: you can redistribute it and/or modify 006 * it under the terms of the GNU Lesser General Public License as published by 007 * the Free Software Foundation, either version 3 of the License, or 008 * (at your option) any later version. 009 * 010 * This program is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 013 * GNU Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License 016 * along with this program. If not, see <http://www.gnu.org/licenses/>. 017 */ 018package net.sf.hajdbc.util.concurrent; 019 020import net.sf.hajdbc.util.TimePeriod; 021 022/** 023 * @author Paul Ferraro 024 * @param <K> 025 * @param <V> 026 * @param <C> 027 * @param <E> 028 */ 029public interface Registry<K, V, C, E extends Exception> 030{ 031 V get(K key, C context) throws E; 032 033 void remove(K key) throws E; 034 035 public interface Factory<K, V, C, E extends Exception> 036 { 037 V create(K key, C context) throws E; 038 039 TimePeriod getTimeout(); 040 } 041 042 public interface Store<K, V> 043 { 044 V setIfAbsent(K key, V value); 045 046 V get(K key); 047 048 V clear(K key); 049 } 050}