com.flowable.platform.common.util

Class FlowableCollectors

java.lang.Object

com.flowable.platform.common.util.FlowableCollectors

public class FlowableCollectors
extends Object

Util class for creating different Collector(s) that are not part of the Java Collectors utils.

Author:

Filip Hrisafov

Method Summary

Modifier and Type	Method and Description
static <T> Collector<T,?,List<T>>	toListWithSize(int size) Returns a Collector that accumulates the input elements into a new List The created list is list that has size as the initial capacity.
static <T> Collector<T,?,Set<T>>	toSetWithSize(int expectedSize) Returns a Collector that accumulates the input elements into a new Set.

Methods inherited from class java.lang.Object

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

Method Detail

toListWithSize

public static <T> Collector<T,?,List<T>> toListWithSize(int size)

Returns a Collector that accumulates the input elements into a new List The created list is list that has size as the initial capacity.

Type Parameters:

T - the type of the input elements

Returns:

a Collector which collects all the input elements into a List, in encounter order

toSetWithSize

public static <T> Collector<T,?,Set<T>> toSetWithSize(int expectedSize)

Returns a Collector that accumulates the input elements into a new Set. The created set is a set that has size as the expected initial size (taking the load factor into consideration).

Type Parameters:

T - the type of the input elements

Returns:

a Collector which collects all the input elements into a Set