Package kos.core

Class Lang

java.lang.Object

kos.core.Lang

public final class Lang
extends Object

Utility methods internally used by Kos. We do not encourage you to rely on them as they may be discontinued without any notice.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Lang.MapBuilder<K,V>	Convenient HashMap builder.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Lang()

Method Summary

Modifier and Type	Method	Description
static <T> Class<T>	classFor(String canonicalName)
static <T, N> List<N>	convert(Iterable<T> data, Function<T,N> converter)
static <T, N> List<N>	convertIndex(Iterable<T> data, BiFunction<Integer,T,N> converter)
static <T> List<T>	filter(Collection<T> data, Predicate<T> matcher)
static <T> ImplementationLoader.Result<T>	first(Iterable<T> data)
static <T> ImplementationLoader.Result<T>	first(Iterable<T> data, Predicate<T> matcher)
static <T> T	firstNotNull(T... args)
static <T> T	instantiate(Class<T> type)
static <T> T	instantiate(String canonicalName)
static <K, V> Lang.MapBuilder<K,V>	mapOf(K key, V value)
static <T> boolean	matches(Iterable<T> data, Predicate<T> matcher)
static List<String>	nonEmptySetOfString(Iterable<String> values)
static <T> Iterable<T>	sorted(Iterable<T> data, Comparator<T> comparator)
static <T> T	waitFor(io.vertx.core.Future<T> future)	This method has been place here for the sake of convenience.
static <T> T	waitFor(AtomicReference<T> reference)

Methods inherited from class java.lang.Object

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

Constructor Details

Lang

private Lang()

Method Details

instantiate

public static <T> T instantiate(String canonicalName)

classFor

public static <T> Class<T> classFor(String canonicalName)

instantiate

public static <T> T instantiate(Class<T> type)

firstNotNull

public static <T> T firstNotNull(T... args)

first

public static <T> ImplementationLoader.Result<T> first(Iterable<T> data)

matches

public static <T> boolean matches(Iterable<T> data,
 Predicate<T> matcher)

first

public static <T> ImplementationLoader.Result<T> first(Iterable<T> data,
 Predicate<T> matcher)

filter

public static <T> List<T> filter(Collection<T> data,
 Predicate<T> matcher)

convert

public static <T,
N> List<N> convert(Iterable<T> data,
 Function<T,N> converter)

convertIndex

public static <T,
N> List<N> convertIndex(Iterable<T> data,
 BiFunction<Integer,T,N> converter)

mapOf

public static <K,
V> Lang.MapBuilder<K,V> mapOf(K key,
 V value)

nonEmptySetOfString

public static List<String> nonEmptySetOfString(Iterable<String> values)

sorted

public static <T> Iterable<T> sorted(Iterable<T> data,
 Comparator<T> comparator)

waitFor

public static <T> T waitFor(io.vertx.core.Future<T> future)

This method has been place here for the sake of convenience. It should avoided by developers as it is quite dangerous and might introduce slowness into the system.

waitFor

public static <T> T waitFor(AtomicReference<T> reference)