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 writeTuple( 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> readTuple( DataInputStream in ) 48 { 49 50 try 51 { 52 if ( in.available() <= 0 ) 53 { 54 return null; 55 } 56 57 Tuple<Integer, Integer> t = new Tuple<Integer, Integer>( in.readInt(), in.readInt() ); 58 59 return t; 60 } 61 catch ( IOException e ) 62 { 63 } 64 65 return null; 66 } 67 }