Package org.locationtech.jts.util

Class CollectionUtil

java.lang.Object

org.locationtech.jts.util.CollectionUtil

public class CollectionUtil
extends java.lang.Object

Utilities for processing Collections.

Version:

1.7

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	CollectionUtil.Function

Constructor Summary

Constructors

Constructor	Description
CollectionUtil()

Method Summary

Modifier and Type	Method	Description
static void	apply(java.util.Collection coll, CollectionUtil.Function func)	Executes a function on each item in a Collection but does not accumulate the result
static java.util.List	select(java.util.Collection collection, CollectionUtil.Function func)	Executes a CollectionUtil.Function on each item in a Collection and collects all the entries for which the result of the function is equal to Boolean true.
static java.util.List	transform(java.util.Collection coll, CollectionUtil.Function func)	Executes a function on each item in a Collection and returns the results in a new List

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionUtil

public CollectionUtil()

Method Detail

transform

public static java.util.List transform(java.util.Collection coll,
                                       CollectionUtil.Function func)

Executes a function on each item in a Collection and returns the results in a new List

Parameters:

coll - the collection to process

func - the Function to execute

Returns:

a list of the transformed objects

apply

public static void apply(java.util.Collection coll,
                         CollectionUtil.Function func)

Executes a function on each item in a Collection but does not accumulate the result

Parameters:

coll - the collection to process

func - the Function to execute

select

public static java.util.List select(java.util.Collection collection,
                                    CollectionUtil.Function func)

Executes a CollectionUtil.Function on each item in a Collection and collects all the entries for which the result of the function is equal to Boolean true.

Parameters:

collection - the collection to process

func - the Function to execute

Returns:

a list of objects for which the function was true