1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.directory.mavibot.btree.util;
21
22
23 import java.io.DataInputStream;
24 import java.io.DataOutputStream;
25 import java.io.IOException;
26
27 import org.apache.directory.mavibot.btree.Tuple;
28
29
30 /**
31 * TODO IntTupleReaderWriter.
32 *
33 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
34 */
35 public class IntTupleReaderWriter implements TupleReaderWriter<Integer, Integer>
36 {
37
38 @Override
39 public void storeSortedTuple( Tuple<Integer, Integer> t, DataOutputStream out ) throws IOException
40 {
41 out.writeInt( t.getKey() );
42 out.writeInt( t.getValue() );
43 }
44
45
46 @Override
47 public Tuple<Integer, Integer> readSortedTuple( DataInputStream in )
48 {
49 return readUnsortedTuple( in );
50 }
51
52
53 @Override
54 public Tuple<Integer, Integer> readUnsortedTuple( DataInputStream in )
55 {
56
57 try
58 {
59 if ( in.available() <= 0 )
60 {
61 return null;
62 }
63
64 Tuple<Integer, Integer> t = new Tuple<Integer, Integer>( in.readInt(), in.readInt() );
65
66 return t;
67 }
68 catch ( IOException e )
69 {
70 e.printStackTrace();
71 }
72
73 return null;
74 }
75 }