Package org.locationtech.jts.util

Class 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

      All Methods Static Methods Concrete Methods 
      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