Package de.scravy.bedrock

Class MultiValuedKeyMap<T>

java.lang.Object

de.scravy.bedrock.MultiValuedKeyMap<T>

All Implemented Interfaces:

Function1<Seq<Object>,T>, Function<Seq<Object>,T>

public class MultiValuedKeyMap<T>
extends Object
implements Function1<Seq<Object>,T>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MultiValuedKeyMap.Builder<T>

Constructor Summary

Constructors

Constructor	Description
MultiValuedKeyMap()

Method Summary

Modifier and Type	Method	Description
T	apply(Seq<Object> key)
static <T> MultiValuedKeyMap.Builder<T>	builder()
<K> Optional<T>	get(Seq<K> key)
<K> T	get(Seq<K> key, Supplier<T> fallbackSupplier)
<K> T	get(Seq<K> key, Supplier<T> fallbackSupplier, List<Object> trace)	Lookup a value in the map and trace the path taken to find it.
<K> T	get(Seq<K> key, T fallback)
<K> T	get(Seq<K> key, T fallback, List<Object> trace)	Lookup a value in the map and trace the path taken to find it.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Function

andThen, compose

Methods inherited from interface de.scravy.bedrock.Function1

bind

Constructor Details

MultiValuedKeyMap

public MultiValuedKeyMap()

Method Details

get

public <K> Optional<T> get(Seq<K> key)

get

public <K> T get(Seq<K> key, T fallback)

get

public <K> T get(Seq<K> key, Supplier<T> fallbackSupplier)

get

public <K> T get(Seq<K> key, @Nullable T fallback, List<Object> trace)

Lookup a value in the map and trace the path taken to find it.

Type Parameters:

K - The type of values in the key.

Parameters:

key - The key to look for.

fallback - The fallback value to use in case there is no value for the given key.

trace - A mutable list to trace the path taken into.

Returns:

The found value or the fallback value.

get

public <K> T get(Seq<K> key, @Nonnull Supplier<T> fallbackSupplier, List<Object> trace)

Lookup a value in the map and trace the path taken to find it.

Type Parameters:

K - The type of values in the key.

Parameters:

key - The key to look for.

fallbackSupplier - A supplier to generate a fallback value in case there is no value for the given key.

trace - A mutable list to trace the path taken into.

Returns:

The found value or the fallback value.

apply

public T apply(Seq<Object> key)

Specified by:

apply in interface Function<Seq<Object>,T>

Specified by:

apply in interface Function1<Seq<Object>,T>

builder

public static <T> MultiValuedKeyMap.Builder<T> builder()