org.apache.flink.statefun.flink.core.common

Class Maps

java.lang.Object

org.apache.flink.statefun.flink.core.common.Maps

public final class Maps
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static <K,T> java.util.Map<K,T>	index(java.lang.Iterable<T> elements, java.util.function.Function<T,K> indexBy)
static <K,V,U> java.util.Map<U,V>	transformKeys(java.util.Map<K,V> map, java.util.function.Function<K,U> fn)
static <K,V,U> java.util.Map<K,U>	transformValues(java.util.Map<K,V> map, java.util.function.BiFunction<K,V,U> fn)
static <K,V,U> java.util.Map<K,U>	transformValues(java.util.Map<K,V> map, java.util.function.Function<V,U> fn)

Methods inherited from class java.lang.Object

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

Method Detail

transformValues

public static <K,V,U> java.util.Map<K,U> transformValues(java.util.Map<K,V> map,
                                                         java.util.function.Function<V,U> fn)

transformKeys

public static <K,V,U> java.util.Map<U,V> transformKeys(java.util.Map<K,V> map,
                                                       java.util.function.Function<K,U> fn)

transformValues

public static <K,V,U> java.util.Map<K,U> transformValues(java.util.Map<K,V> map,
                                                         java.util.function.BiFunction<K,V,U> fn)

index

public static <K,T> java.util.Map<K,T> index(java.lang.Iterable<T> elements,
                                             java.util.function.Function<T,K> indexBy)