Package org.hibernate.search.util.common.impl

Class CollectionHelper

  • public final class CollectionHelper
extends Object
    Provides some methods for simplified collection instantiation.
    Author:
    Gunnar Morling, Hardy Ferentschik

    • Method Detail

      • newHashMap

        public static <K,​V> HashMap<K,​V> newHashMap​(int size)

      • newLinkedHashMap

        public static <K,​V> LinkedHashMap<K,​V> newLinkedHashMap​(int size)

      • newHashSet

        public static <T> HashSet<T> newHashSet​(int size)

      • newLinkedHashSet

        public static <T> LinkedHashSet<T> newLinkedHashSet​(int size)

      • asSetIgnoreNull

        @SafeVarargs
public static <T> Set<T> asSetIgnoreNull​(T... ts)

      • asLinkedHashSet

        @SafeVarargs
public static <T> Set<T> asLinkedHashSet​(T... ts)

      • asImmutableSet

        @SafeVarargs
public static <T> Set<T> asImmutableSet​(T... items)

      • asList

        @SafeVarargs
public static <T> List<T> asList​(T firstItem,
                                 T... otherItems)

      • asImmutableList

        @SafeVarargs
public static <T> List<T> asImmutableList​(T... items)

      • toImmutableList

        public static <T> List<T> toImmutableList​(List<? extends T> list)

      • toImmutableSet

        public static <T> Set<T> toImmutableSet​(Set<? extends T> set)

      • toImmutableMap

        public static <K,​V> Map<K,​V> toImmutableMap​(Map<K,​V> map)