001/* 002 * Copyright (c) 2015 Maxim Yunusov 003 * Licensed under the Apache License, Version 2.0 (the "License"); 004 * you may not use this file except in compliance with the License. 005 * You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software 010 * distributed under the License is distributed on an "AS IS" BASIS, 011 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 * See the License for the specific language governing permissions and 013 * limitations under the License. 014 */ 015 016package org.maxur.perfmodel.backend.service; 017 018import org.iq80.leveldb.WriteBatch; 019 020import java.io.IOException; 021import java.io.Serializable; 022import java.util.Collection; 023import java.util.Optional; 024 025/** 026 * @author myunusov 027 * @version 1.0 028 * @since <pre>10.09.2015</pre> 029 */ 030public interface DataSource { 031 032 <T> Optional<T> get(String key) throws IOException, ClassNotFoundException; 033 034 <T> Collection<T> findAllByPrefix(String prefix) throws IOException, ClassNotFoundException; 035 036 void delete(String key); 037 038 WriteBatch createWriteBatch(); 039 040 void commit(WriteBatch batch); 041 042 void put(String key, Serializable value) throws IOException; 043}