Package io.deephaven.engine.table.impl.locations.impl

Class KnownLocationKeyFinder<TLK extends ImmutableTableLocationKey>

java.lang.Object

io.deephaven.engine.table.impl.locations.impl.KnownLocationKeyFinder<TLK>

All Implemented Interfaces:

TableLocationKeyFinder<TLK>

public final class KnownLocationKeyFinder<TLK extends ImmutableTableLocationKey>
extends Object
implements TableLocationKeyFinder<TLK>

Location finder that delivers a known set of keys.

Constructor Summary

Constructors

Constructor	Description
KnownLocationKeyFinder(List<TLK> knownKeys)
KnownLocationKeyFinder(List<TLK> knownKeys, String toString)
KnownLocationKeyFinder(TLK... knownKeys)

Method Summary

Modifier and Type	Method	Description
static <TLK extends ImmutableTableLocationKey> KnownLocationKeyFinder<TLK>	copyFrom(TableLocationKeyFinder<TLK> finder, Comparator<TLK> comparator)	Creates a copy of the keys from finder.
void	findKeys(@NotNull Consumer<TLK> locationKeyObserver)	Find keys and deliver them to the locationKeyObserver.
Optional<TLK>	getFirstKey()
List<TLK>	getKnownKeys()
Optional<TLK>	getLastKey()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

KnownLocationKeyFinder

@SafeVarargs
public KnownLocationKeyFinder(@NotNull
 TLK... knownKeys)

KnownLocationKeyFinder

public KnownLocationKeyFinder(List<TLK> knownKeys)

KnownLocationKeyFinder

public KnownLocationKeyFinder(List<TLK> knownKeys,
 String toString)

Method Details

copyFrom

public static <TLK extends ImmutableTableLocationKey>
KnownLocationKeyFinder<TLK> copyFrom(TableLocationKeyFinder<TLK> finder,
 Comparator<TLK> comparator)

Creates a copy of the keys from finder. If comparator is not null, the keys will be sorted according to that comparator.

Type Parameters:

TLK - the table location key type

Parameters:

finder - the finder

comparator - the comparator

Returns:

the known location finder

getKnownKeys

public List<TLK> getKnownKeys()

Returns:

An unmodifiable list of recorded (immutable) keys

getFirstKey

public Optional<TLK> getFirstKey()

getLastKey

public Optional<TLK> getLastKey()

findKeys

public void findKeys(@NotNull
 @NotNull Consumer<TLK> locationKeyObserver)

Description copied from interface: TableLocationKeyFinder

Find keys and deliver them to the locationKeyObserver.

Specified by:

findKeys in interface TableLocationKeyFinder<TLK extends ImmutableTableLocationKey>

Parameters:

locationKeyObserver - Per-key callback

toString

public String toString()

Overrides:

toString in class Object