| /* |
| * 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.phoenix.filter; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.hbase.exceptions.DeserializationException; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.hbase.util.Writables; |
| import org.apache.phoenix.expression.Expression; |
| |
| |
| /** |
| * |
| * SingleKeyValueComparisonFilter that needs to compare both the column family and |
| * column qualifier parts of the key value to disambiguate with another similarly |
| * named column qualifier in a different column family. |
| * |
| */ |
| public class SingleCFCQKeyValueComparisonFilter extends SingleKeyValueComparisonFilter { |
| public SingleCFCQKeyValueComparisonFilter() { |
| } |
| |
| public SingleCFCQKeyValueComparisonFilter(Expression expression) { |
| super(expression); |
| } |
| |
| @Override |
| protected final int compare(byte[] cfBuf, int cfOffset, int cfLength, byte[] cqBuf, int cqOffset, int cqLength) { |
| int c = Bytes.compareTo(cf, 0, cf.length, cfBuf, cfOffset, cfLength); |
| if (c != 0) return c; |
| return Bytes.compareTo(cq, 0, cq.length, cqBuf, cqOffset, cqLength); |
| } |
| |
| public static SingleCFCQKeyValueComparisonFilter parseFrom(final byte [] pbBytes) throws DeserializationException { |
| try { |
| return (SingleCFCQKeyValueComparisonFilter)Writables.getWritable(pbBytes, new SingleCFCQKeyValueComparisonFilter()); |
| } catch (IOException e) { |
| throw new DeserializationException(e); |
| } |
| } |
| } |