| /* |
| * 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.tserver; |
| |
| import org.apache.accumulo.core.data.Value; |
| |
| public class MemValue { |
| |
| Value value; |
| int kvCount; |
| |
| public MemValue(Value value, int kv) { |
| this.value = value; |
| this.kvCount = kv; |
| } |
| |
| public static Value encode(Value value, int kv) { |
| byte[] combinedBytes = new byte[value.getSize() + 4]; |
| System.arraycopy(value.get(), 0, combinedBytes, 4, value.getSize()); |
| combinedBytes[0] = (byte) (kv >>> 24); |
| combinedBytes[1] = (byte) (kv >>> 16); |
| combinedBytes[2] = (byte) (kv >>> 8); |
| combinedBytes[3] = (byte) (kv); |
| return new Value(combinedBytes); |
| } |
| |
| public static MemValue decode(Value v) { |
| byte[] originalBytes = new byte[v.getSize() - 4]; |
| byte[] combined = v.get(); |
| System.arraycopy(combined, 4, originalBytes, 0, originalBytes.length); |
| int kv = (combined[0] << 24) + ((combined[1] & 0xFF) << 16) + ((combined[2] & 0xFF) << 8) |
| + (combined[3] & 0xFF); |
| |
| return new MemValue(new Value(originalBytes), kv); |
| } |
| } |