/* * 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); } } }