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}