001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.filter; 019 020import java.io.IOException; 021 022import org.apache.hadoop.hbase.Cell; 023import org.apache.hadoop.hbase.exceptions.DeserializationException; 024 025public class FilterAllFilter extends FilterBase { 026 027 public FilterAllFilter() { 028 } 029 030 @Override 031 public ReturnCode filterCell(final Cell c) throws IOException { 032 return ReturnCode.SKIP; 033 } 034 035 @Override 036 public boolean hasFilterRow() { 037 return true; 038 } 039 040 @Override 041 public boolean filterRow() throws IOException { 042 return true; 043 } 044 045 @Override 046 public boolean filterRowKey(Cell cell) throws IOException { 047 return false; 048 } 049 050 public static FilterAllFilter parseFrom(final byte[] pbBytes) throws DeserializationException { 051 // No options to parse, so why bother 052 return new FilterAllFilter(); 053 } 054 055 @Override 056 boolean areSerializedFieldsEqual(Filter o) { 057 if (o == this) 058 return true; 059 if (!(o instanceof FilterAllFilter)) 060 return false; 061 062 return true; 063 } 064}