org.apache.hadoop.hbase.io.hfile.CompoundBloomFilterBase Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of hbase-server Show documentation
Show all versions of hbase-server Show documentation
Server functionality for HBase
/*
*
* 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.hadoop.hbase.io.hfile;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.hadoop.hbase.util.BloomFilterBase;
import org.apache.hadoop.hbase.CellComparator;
@InterfaceAudience.Private
public class CompoundBloomFilterBase implements BloomFilterBase {
/**
* At read time, the total number of chunks. At write time, the number of
* chunks created so far. The first chunk has an ID of 0, and the current
* chunk has the ID of numChunks - 1.
*/
protected int numChunks;
/**
* The Bloom filter version. There used to be a DynamicByteBloomFilter which
* had version 2.
*/
public static final int VERSION = 3;
/** Target error rate for configuring the filter and for information */
protected float errorRate;
/** The total number of keys in all chunks */
protected long totalKeyCount;
protected long totalByteSize;
protected long totalMaxKeys;
/** Hash function type to use, as defined in {@link org.apache.hadoop.hbase.util.Hash} */
protected int hashType;
/** Comparator used to compare Bloom filter keys */
protected CellComparator comparator;
@Override
public long getMaxKeys() {
return totalMaxKeys;
}
@Override
public long getKeyCount() {
return totalKeyCount;
}
@Override
public long getByteSize() {
return totalByteSize;
}
}