org.apache.flink.runtime.operators.hash

Class AbstractMutableHashTable<T>

java.lang.Object

org.apache.flink.runtime.operators.hash.AbstractMutableHashTable<T>

Direct Known Subclasses:

CompactingHashTable

public abstract class AbstractMutableHashTable<T>
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected TypeComparator<T>	buildSideComparator The utilities to hash and compare the build side data types.
protected TypeSerializer<T>	buildSideSerializer The utilities to serialize the build side data types.

Constructor Summary

Constructors

Constructor and Description
AbstractMutableHashTable(TypeSerializer<T> buildSideSerializer, TypeComparator<T> buildSideComparator)

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	abort()
abstract void	buildTable(MutableObjectIterator<T> input)
abstract void	close()
TypeComparator<T>	getBuildSideComparator()
TypeSerializer<T>	getBuildSideSerializer()
abstract MutableObjectIterator<T>	getEntryIterator()
abstract List<MemorySegment>	getFreeMemory()
abstract <PT> AbstractHashTableProber<PT,T>	getProber(TypeComparator<PT> probeSideComparator, TypePairComparator<PT,T> pairComparator)
abstract void	insert(T record)
abstract void	insertOrReplaceRecord(T record, T tempHolder)
abstract void	open()

Methods inherited from class java.lang.Object

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

Field Detail

buildSideSerializer

protected final TypeSerializer<T> buildSideSerializer

The utilities to serialize the build side data types.

buildSideComparator

protected final TypeComparator<T> buildSideComparator

The utilities to hash and compare the build side data types.

Constructor Detail

AbstractMutableHashTable

public AbstractMutableHashTable(TypeSerializer<T> buildSideSerializer,
                        TypeComparator<T> buildSideComparator)

Method Detail

getBuildSideSerializer

public TypeSerializer<T> getBuildSideSerializer()

getBuildSideComparator

public TypeComparator<T> getBuildSideComparator()

open

public abstract void open()

close

public abstract void close()

abort

public abstract void abort()

buildTable

public abstract void buildTable(MutableObjectIterator<T> input)
                         throws IOException

Throws:

IOException

getFreeMemory

public abstract List<MemorySegment> getFreeMemory()

insert

public abstract void insert(T record)
                     throws IOException

Throws:

IOException

insertOrReplaceRecord

public abstract void insertOrReplaceRecord(T record,
                         T tempHolder)
                                    throws IOException

Throws:

IOException

getEntryIterator

public abstract MutableObjectIterator<T> getEntryIterator()

getProber

public abstract <PT> AbstractHashTableProber<PT,T> getProber(TypeComparator<PT> probeSideComparator,
                                           TypePairComparator<PT,T> pairComparator)

Type Parameters:

PT - The type of the probe side.

Parameters:

probeSideComparator -

pairComparator -

Returns: