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;
021import org.apache.hadoop.hbase.Cell;
022import org.apache.hadoop.hbase.exceptions.DeserializationException;
023import org.apache.yetus.audience.InterfaceAudience;
024
025@InterfaceAudience.Private
026public class FilterAllFilter extends FilterBase {
027
028  public FilterAllFilter() {
029  }
030
031  @Override
032  public ReturnCode filterCell(final Cell c) throws IOException {
033    return ReturnCode.SKIP;
034  }
035
036  @Override
037  public boolean hasFilterRow() {
038    return true;
039  }
040
041  @Override
042  public boolean filterRow() throws IOException {
043    return true;
044  }
045
046  @Override
047  public boolean filterRowKey(Cell cell) throws IOException {
048    return false;
049  }
050
051  public static FilterAllFilter parseFrom(final byte[] pbBytes) throws DeserializationException {
052    // No options to parse, so why bother
053    return new FilterAllFilter();
054  }
055
056  @Override
057  boolean areSerializedFieldsEqual(Filter o) {
058    if (o == this) return true;
059    if (!(o instanceof FilterAllFilter)) return false;
060
061    return true;
062  }
063}