org.apache.flink.runtime.operators.hash.AbstractHashTableProber Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* 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,
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package org.apache.flink.runtime.operators.hash;
import java.io.IOException;
import org.apache.flink.api.common.typeutils.TypeComparator;
import org.apache.flink.api.common.typeutils.TypePairComparator;
/**
* @param probe side type
* @param build side type
*/
public abstract class AbstractHashTableProber {
protected final TypeComparator probeTypeComparator;
protected final TypePairComparator pairComparator;
public AbstractHashTableProber(TypeComparator probeTypeComparator, TypePairComparator pairComparator) {
this.probeTypeComparator = probeTypeComparator;
this.pairComparator = pairComparator;
}
public abstract BT getMatchFor(PT probeSideRecord, BT targetForMatch);
public abstract BT getMatchFor(PT probeSideRecord);
public abstract void updateMatch(BT record) throws IOException;
}