Module litebridge.commons

Package org.litebridge.commons.collector

Class MapCollector

java.lang.Object

org.litebridge.commons.collector.MapCollector

public final class MapCollector
extends Object

Utility class for Collectors providing functionality to create LinkedHashMap instances.

This class contains static methods for collecting elements of a Stream into a LinkedHashMap. It uses user-provided mapping functions to determine both the keys and values of the resulting map.

The class is final and contains a private constructor to prevent instantiation, as it is intended to be used solely as a utility class.

Method Summary

Modifier and Type	Method	Description
static <T, K, U> Collector<T,?,LinkedHashMap<K,U>>	toLinkedHashMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends U> valueMapper)	Returns a Collector that accumulates elements into a LinkedHashMap.

Methods inherited from class java.lang.Object

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

Method Details

toLinkedHashMap

public static <T,
K,
U>
Collector<T,?,LinkedHashMap<K,U>> toLinkedHashMap(Function<? super T,? extends K> keyMapper,
 Function<? super T,? extends U> valueMapper)

Returns a Collector that accumulates elements into a LinkedHashMap.

Type Parameters:

T - the type of the input elements.

K - the output type of the key mapping function.

U - the output type of the value mapping function.

Parameters:

keyMapper - a mapping function to produce keys.

valueMapper - a mapping function to produce values.

Returns:

a Collector which collects elements into a LinkedHashMap in insertion order.