Package org.apache.flink.runtime.operators.hash

Class AbstractHashTableProber<PT,BT>

java.lang.Object

org.apache.flink.runtime.operators.hash.AbstractHashTableProber<PT,BT>

Type Parameters:

PT - probe side type

BT - build side type

Direct Known Subclasses:

CompactingHashTable.HashTableProber, InPlaceMutableHashTable.HashTableProber

public abstract class AbstractHashTableProber<PT,BT>
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected final org.apache.flink.api.common.typeutils.TypePairComparator<PT,BT>	pairComparator
protected final org.apache.flink.api.common.typeutils.TypeComparator<PT>	probeTypeComparator

Constructor Summary

Constructors

Constructor	Description
AbstractHashTableProber(org.apache.flink.api.common.typeutils.TypeComparator<PT> probeTypeComparator, org.apache.flink.api.common.typeutils.TypePairComparator<PT,BT> pairComparator)

Method Summary

Modifier and Type	Method	Description
abstract BT	getMatchFor(PT probeSideRecord)
abstract BT	getMatchFor(PT probeSideRecord, BT targetForMatch)
abstract void	updateMatch(BT record)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

probeTypeComparator

protected final org.apache.flink.api.common.typeutils.TypeComparator<PT> probeTypeComparator

pairComparator

protected final org.apache.flink.api.common.typeutils.TypePairComparator<PT,BT> pairComparator

Constructor Details

AbstractHashTableProber

public AbstractHashTableProber(org.apache.flink.api.common.typeutils.TypeComparator<PT> probeTypeComparator,
 org.apache.flink.api.common.typeutils.TypePairComparator<PT,BT> pairComparator)

Method Details

getMatchFor

public abstract BT getMatchFor(PT probeSideRecord,
 BT targetForMatch)

getMatchFor

public abstract BT getMatchFor(PT probeSideRecord)

updateMatch

public abstract void updateMatch(BT record)
                          throws IOException

Throws:

IOException