| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.accumulo.core.client.lexicoder; |
| |
| import org.apache.accumulo.core.client.lexicoder.impl.AbstractLexicoder; |
| |
| /** |
| * A lexicoder for signed integers. The encoding sorts Integer.MIN_VALUE first and Integer.MAX_VALUE |
| * last. The encoding sorts -2 before -1. It corresponds to the sort order of Integer. |
| * |
| * @since 1.6.0 |
| */ |
| public class IntegerLexicoder extends AbstractLexicoder<Integer> { |
| |
| private UIntegerLexicoder uil = new UIntegerLexicoder(); |
| |
| @Override |
| public byte[] encode(Integer i) { |
| return uil.encode(i ^ 0x80000000); |
| } |
| |
| @Override |
| public Integer decode(byte[] b) { |
| // This concrete implementation is provided for binary compatibility with 1.6; it can be removed |
| // in 2.0. See ACCUMULO-3789. |
| return super.decode(b); |
| } |
| |
| @Override |
| protected Integer decodeUnchecked(byte[] data, int offset, int len) { |
| return uil.decodeUnchecked(data, offset, len) ^ 0x80000000; |
| } |
| |
| } |