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}