1 /*
2 * Copyright (c) 2015 Maxim Yunusov
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 package org.maxur.perfmodel.backend.service;
17
18 import org.iq80.leveldb.WriteBatch;
19
20 import java.io.IOException;
21 import java.io.Serializable;
22 import java.util.Collection;
23 import java.util.Optional;
24
25 /**
26 * @author myunusov
27 * @version 1.0
28 * @since <pre>10.09.2015</pre>
29 */
30 public interface DataSource {
31
32 <T> Optional<T> get(String key) throws IOException, ClassNotFoundException;
33
34 <T> Collection<T> findAllByPrefix(String prefix) throws IOException, ClassNotFoundException;
35
36 void delete(String key);
37
38 WriteBatch createWriteBatch();
39
40 void commit(WriteBatch batch);
41
42 void put(String key, Serializable value) throws IOException;
43 }