Class MiscUtils

java.lang.Object

org.codehaus.mojo.versions.utils.MiscUtils

public class MiscUtils
extends Object

Miscellaneous utility class.

Method Summary

Modifier and Type	Method	Description
static <K,V> Map<K,V>	filter(Map<K,V> map, Function<V,Boolean> predicate)	Filters a given map leaving only elements fulfilling a predicate.
static <K,V> Map<K,V>	filter(Map<K,V> map, Function<V,Boolean> predicate, BinaryOperator<V> mergeFunction)	Filters a given map leaving only elements fulfilling a predicate.

Methods inherited from class Object

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

Method Details

filter

public static <K,V> Map<K,V> filter(Map<K,V> map,
 Function<V,Boolean> predicate)

Filters a given map leaving only elements fulfilling a predicate. Does not change the input map, the filtered map is returned as output.

Type Parameters:

K - key type

V - value type

Parameters:

map - input map to be filtered

predicate - predicate for element comparison

Returns:

map such that every element comforms with the predicate

filter

public static <K,V> Map<K,V> filter(Map<K,V> map,
 Function<V,Boolean> predicate,
 BinaryOperator<V> mergeFunction)

Filters a given map leaving only elements fulfilling a predicate. Does not change the input map, the filtered map is returned as output.

Type Parameters:

K - key type

V - value type

Parameters:

map - input map to be filtered

predicate - predicate for element comparison

mergeFunction - function to resolve collisions between values associated with the same key

Returns:

map such that every element comforms with the predicate