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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.filter;
19  
20  import java.io.IOException;
21  
22  import org.apache.hadoop.hbase.Cell;
23  import org.apache.hadoop.hbase.exceptions.DeserializationException;
24  import org.apache.hadoop.hbase.protobuf.generated.FilterProtos;
25  
26  import com.google.protobuf.InvalidProtocolBufferException;
27  
28  public class FilterAllFilter extends FilterBase {
29  
30    public FilterAllFilter() {
31    }
32  
33    @Override
34    public ReturnCode filterKeyValue(Cell v) throws IOException {
35      return ReturnCode.INCLUDE;
36    }
37  
38    @Override
39    public boolean filterRow() throws IOException {
40      return true;
41    }
42  
43    public static FilterAllFilter parseFrom(final byte[] pbBytes) throws DeserializationException {
44      FilterProtos.FilterAllFilter proto;
45      try {
46        proto = FilterProtos.FilterAllFilter.parseFrom(pbBytes);
47      } catch (InvalidProtocolBufferException e) {
48        throw new DeserializationException(e);
49      }
50      return new FilterAllFilter();
51    }
52  
53    @Override
54    boolean areSerializedFieldsEqual(Filter o) {
55      if (o == this)
56        return true;
57      if (!(o instanceof FilterAllFilter))
58        return false;
59  
60      return true;
61    }
62  }