Class SimpleRegistry<T>

java.lang.Object

fr.fidorial.registry.SimpleRegistry<T>

All Implemented Interfaces:

Registry<T>

public final class SimpleRegistry<T>
extends Object
implements Registry<T>

An immutable Registry built once from a list of keys. It does not support key(Object).

Since:

0.1.0

Method Summary

Modifier and Type	Method	Description
Optional<T>	find(TypedKey<T> key)	Returns the value registered under a key, or empty if there is none.
T	get(TypedKey<T> key)	Gets the value registered under a key.
TypedKey<T>	key(T value)	Gets the key a value is registered under.
static <T> SimpleRegistry<T>	of(RegistryKey<T> registryKey, Collection<TypedKey<T>> keys, Function<Key,T> resolver)	Builds a registry by resolving every key.
RegistryKey<T>	registryKey()	Returns the key identifying this registry.
Stream<T>	stream()	Returns a stream over every registered value, in registration order.
Collection<T>	values()	Returns every registered value, in registration order.

Methods inherited from class Object

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

Method Details

of

public static <T> SimpleRegistry<T> of(RegistryKey<T> registryKey,
 Collection<TypedKey<T>> keys,
 Function<Key,T> resolver)

Builds a registry by resolving every key.

Type Parameters:

T - the value type

Parameters:

registryKey - the key identifying the registry

keys - the keys to register, in order

resolver - resolves the value of each key

Returns:

the registry

Since:

0.1.0

registryKey

public RegistryKey<T> registryKey()

Description copied from interface: Registry

Returns the key identifying this registry.

Specified by:

registryKey in interface Registry<T>

Returns:

the key identifying this registry

get

public T get(TypedKey<T> key)

Description copied from interface: Registry

Gets the value registered under a key.

Specified by:

get in interface Registry<T>

Parameters:

key - the key

Returns:

the value

find

public Optional<T> find(TypedKey<T> key)

Description copied from interface: Registry

Returns the value registered under a key, or empty if there is none.

Specified by:

find in interface Registry<T>

Parameters:

key - the key

Returns:

the value registered under a key, or empty if there is none

key

public TypedKey<T> key(T value)

Description copied from interface: Registry

Gets the key a value is registered under.

Specified by:

key in interface Registry<T>

Parameters:

value - the value

Returns:

its key

values

public Collection<T> values()

Description copied from interface: Registry

Returns every registered value, in registration order.

Specified by:

values in interface Registry<T>

Returns:

every registered value, in registration order

stream

public Stream<T> stream()

Description copied from interface: Registry

Returns a stream over every registered value, in registration order.

Specified by:

stream in interface Registry<T>

Returns:

a stream over every registered value, in registration order