Package com.illumon.iris.db.v2.updateby.hashing

Class IncrementalUpdateByStateManager

java.lang.Object

com.illumon.iris.db.v2.updateby.hashing.IncrementalUpdateByStateManager

All Implemented Interfaces:

ChunkedUpdateByStateManager

public class IncrementalUpdateByStateManager
extends Object
implements ChunkedUpdateByStateManager

Field Summary

Fields

Modifier and Type	Field	Description
static final int	CHUNK_SIZE
static final double	DEFAULT_MAX_LOAD_FACTOR
static final double	DEFAULT_TARGET_LOAD_FACTOR
static final int	MINIMUM_INITIAL_HASH_SIZE

Constructor Summary

Constructors

Constructor	Description
IncrementalUpdateByStateManager(ColumnSource<?>[] tableKeySources, int tableSize, double maximumLoadFactor, double targetLoadFactor)

Method Summary

Modifier and Type	Method	Description
void	add(SafeCloseable bc, OrderedKeys orderedKeys, ColumnSource<?>[] sources, org.apache.commons.lang3.mutable.MutableInt nextOutputPosition, WritableIntChunk<Attributes.KeyIndices> outputPositions)
void	doRehash(com.illumon.iris.db.v2.updateby.hashing.IncrementalUpdateByStateManager.BuildContext bc)
void	findModifications(SafeCloseable pc, OrderedKeys modifiedIndex, ColumnSource<?>[] leftSources, WritableIntChunk<Attributes.KeyIndices> outputPositions)
SafeCloseable	makeUpdateByBuildContext(ColumnSource<?>[] buildSources, long maxSize)
SafeCloseable	makeUpdateByProbeContext(ColumnSource<?>[] buildSources, long maxSize)
boolean	rehashRequired()
void	remove(SafeCloseable pc, OrderedKeys indexToRemove, ColumnSource<?>[] sources, WritableIntChunk<Attributes.KeyIndices> outputPositions)
void	setMaximumLoadFactor(double maximumLoadFactor)
void	setTargetLoadFactor(double targetLoadFactor)

Methods inherited from class java.lang.Object

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

Field Details

CHUNK_SIZE

public static final int CHUNK_SIZE

See Also:

• Constant Field Values

MINIMUM_INITIAL_HASH_SIZE

public static final int MINIMUM_INITIAL_HASH_SIZE

See Also:

• Constant Field Values

DEFAULT_MAX_LOAD_FACTOR

public static final double DEFAULT_MAX_LOAD_FACTOR

See Also:

• Constant Field Values

DEFAULT_TARGET_LOAD_FACTOR

public static final double DEFAULT_TARGET_LOAD_FACTOR

See Also:

• Constant Field Values

Constructor Details

IncrementalUpdateByStateManager

public IncrementalUpdateByStateManager(ColumnSource<?>[] tableKeySources,
 int tableSize,
 double maximumLoadFactor,
 double targetLoadFactor)

Method Details

add

public void add(SafeCloseable bc,
 OrderedKeys orderedKeys,
 ColumnSource<?>[] sources,
 org.apache.commons.lang3.mutable.MutableInt nextOutputPosition,
 WritableIntChunk<Attributes.KeyIndices> outputPositions)

Specified by:

add in interface ChunkedUpdateByStateManager

makeUpdateByBuildContext

public SafeCloseable makeUpdateByBuildContext(ColumnSource<?>[] buildSources,
 long maxSize)

Specified by:

makeUpdateByBuildContext in interface ChunkedUpdateByStateManager

makeUpdateByProbeContext

public SafeCloseable makeUpdateByProbeContext(ColumnSource<?>[] buildSources,
 long maxSize)

Specified by:

makeUpdateByProbeContext in interface ChunkedUpdateByStateManager

doRehash

public void doRehash(com.illumon.iris.db.v2.updateby.hashing.IncrementalUpdateByStateManager.BuildContext bc)

rehashRequired

public boolean rehashRequired()

setTargetLoadFactor

public void setTargetLoadFactor(double targetLoadFactor)

setMaximumLoadFactor

public void setMaximumLoadFactor(double maximumLoadFactor)

remove

public void remove(@NotNull
 SafeCloseable pc,
 @NotNull
 OrderedKeys indexToRemove,
 @NotNull
 ColumnSource<?>[] sources,
 @NotNull
 WritableIntChunk<Attributes.KeyIndices> outputPositions)

Specified by:

remove in interface ChunkedUpdateByStateManager

findModifications

public void findModifications(@NotNull
 SafeCloseable pc,
 @NotNull
 OrderedKeys modifiedIndex,
 @NotNull
 ColumnSource<?>[] leftSources,
 @NotNull
 WritableIntChunk<Attributes.KeyIndices> outputPositions)

Specified by:

findModifications in interface ChunkedUpdateByStateManager