org.apache.flink.runtime.state.gemini.engine.vm.BloomFilterManager Maven / Gradle / Ivy
/*
* 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.flink.runtime.state.gemini.engine.vm;
import org.apache.flink.runtime.state.gemini.engine.page.DataPage;
import org.apache.flink.runtime.state.gemini.engine.page.PageAddress;
import org.apache.flink.runtime.state.gemini.engine.page.bloomfilter.PageBloomFilter;
import java.io.Closeable;
/**
* BloomFilterManager.
*/
public interface BloomFilterManager extends Closeable {
/**
* check whether pageAddress's data contains this hashCode.
*
* @param pageAddress pageAddress.
* @param hashCode key's hashCode.
* @return true if might contain this hashCode.
*/
boolean mightContain(PageAddress pageAddress, int hashCode);
/**
* add a PageBloomFilter.
*
* @param pageAddress pageAddress.
* @param pageBloomFilter pageBloomFilter.
*/
void addBloomFilter(PageAddress pageAddress, PageBloomFilter pageBloomFilter);
/**
* add a PageBloomFilter.
*
* @param pageAddress pageAddress.
*/
void addBloomFilter(PageAddress pageAddress, DataPage dataPage);
/**
* remove a PageBloomFilter.
*
* @param pageAddress pageAddress.
*/
void removeBloomFilter(PageAddress pageAddress);
/**
* clean up invalid data in cache.
*/
void cleanUp();
}