org.lenskit.results

Class BasicResultMap

java.lang.Object

it.unimi.dsi.fastutil.longs.AbstractLong2ObjectFunction<V>

it.unimi.dsi.fastutil.longs.AbstractLong2ObjectMap<Result>

org.lenskit.results.BasicResultMap

All Implemented Interfaces:

Long2ObjectFunction<Result>, Long2ObjectMap<Result>, java.io.Serializable, java.lang.Iterable<Result>, java.util.function.Function<java.lang.Long,Result>, java.util.function.LongFunction<Result>, java.util.Map<java.lang.Long,Result>, ResultMap, LenskitResultMap

@Immutable
public class BasicResultMap
extends AbstractLong2ObjectMap<Result>
implements LenskitResultMap

Standard result map implementation.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class it.unimi.dsi.fastutil.longs.AbstractLong2ObjectMap

AbstractLong2ObjectMap.BasicEntry<V>

Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.longs.Long2ObjectMap

Long2ObjectMap.Entry<V>, Long2ObjectMap.FastEntrySet<V>

Field Summary

Fields inherited from class it.unimi.dsi.fastutil.longs.AbstractLong2ObjectFunction

defRetValue

Constructor Summary

Constructors

Constructor and Description
BasicResultMap(java.lang.Iterable<? extends Result> objs) Create a new result map from a collection of results.

Method Summary

Modifier and Type	Method and Description
boolean	containsKey(long l)
ObjectSet<java.util.Map.Entry<java.lang.Long,Result>>	entrySet()
Result	get(long l) Get a result without boxing the key.
double	getScore(long id) Get the score associated with an ID.
java.util.Iterator<Result>	iterator()
LongSet	keySet()
ObjectSet<Long2ObjectMap.Entry<Result>>	long2ObjectEntrySet()
Long2DoubleSortedMap	scoreMap() View this result set as a map from longs to doubles.
int	size()
ObjectCollection<Result>	values()

Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLong2ObjectMap

containsValue, equals, hashCode, isEmpty, putAll, toString

Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLong2ObjectFunction

defaultReturnValue, defaultReturnValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface it.unimi.dsi.fastutil.longs.Long2ObjectMap

clear, compute, compute, computeIfAbsent, computeIfAbsent, computeIfAbsentPartial, computeIfPresent, computeIfPresent, containsKey, defaultReturnValue, defaultReturnValue, get, getOrDefault, getOrDefault, merge, merge, put, putIfAbsent, putIfAbsent, remove, remove, remove, replace, replace, replace, replace

Methods inherited from interface it.unimi.dsi.fastutil.longs.Long2ObjectFunction

apply, put, remove

Methods inherited from interface it.unimi.dsi.fastutil.Function

apply

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Methods inherited from interface java.util.Map

containsValue, equals, forEach, hashCode, isEmpty, putAll, replaceAll

Constructor Detail

BasicResultMap

public BasicResultMap(java.lang.Iterable<? extends Result> objs)

Create a new result map from a collection of results.

Parameters:

objs - The results.

Method Detail

scoreMap

public Long2DoubleSortedMap scoreMap()

Description copied from interface: ResultMap

View this result set as a map from longs to doubles.

Specified by:

scoreMap in interface ResultMap

Specified by:

scoreMap in interface LenskitResultMap

Returns:

A map view of this result set.

iterator

public java.util.Iterator<Result> iterator()

Specified by:

iterator in interface java.lang.Iterable<Result>

long2ObjectEntrySet

public ObjectSet<Long2ObjectMap.Entry<Result>> long2ObjectEntrySet()

Specified by:

long2ObjectEntrySet in interface Long2ObjectMap<Result>

get

public Result get(long l)

Description copied from interface: ResultMap

Get a result without boxing the key.

Specified by:

get in interface Long2ObjectFunction<Result>

Specified by:

get in interface ResultMap

Parameters:

l - The item ID.

Returns:

The result, or null if the key is not in the map.

containsKey

public boolean containsKey(long l)

Specified by:

containsKey in interface Long2ObjectFunction<Result>

Specified by:

containsKey in interface Long2ObjectMap<Result>

Overrides:

containsKey in class AbstractLong2ObjectMap<Result>

values

public ObjectCollection<Result> values()

Specified by:

values in interface Long2ObjectMap<Result>

Specified by:

values in interface java.util.Map<java.lang.Long,Result>

Overrides:

values in class AbstractLong2ObjectMap<Result>

entrySet

public ObjectSet<java.util.Map.Entry<java.lang.Long,Result>> entrySet()

Specified by:

entrySet in interface Long2ObjectMap<Result>

Specified by:

entrySet in interface java.util.Map<java.lang.Long,Result>

keySet

public LongSet keySet()

Specified by:

keySet in interface Long2ObjectMap<Result>

Specified by:

keySet in interface java.util.Map<java.lang.Long,Result>

Overrides:

keySet in class AbstractLong2ObjectMap<Result>

size

public int size()

Specified by:

size in interface Long2ObjectMap<Result>

Specified by:

size in interface java.util.Map<java.lang.Long,Result>

getScore

public double getScore(long id)

Description copied from interface: ResultMap

Get the score associated with an ID.

Specified by:

getScore in interface ResultMap

Parameters:

id - The ID to query.

Returns:

The score associated with id, or Double.NaN if there is no score.