Package org.elasticsearch.common.collect

Class Set

java.lang.Object
org.elasticsearch.common.collect.Set
public class Set
extends java.lang.Object

  • Constructor Summary

    Constructors 
    Constructor Description
    Set()  

  • Method Summary

    Modifier and Type Method Description
    static <T> java.util.Set<T> copyOf​(java.util.Collection<? extends T> coll)
    Returns an unmodifiable Set containing the elements of the given Collection.
    static <T> java.util.Set<T> of()
    Returns an unmodifiable set containing zero elements.
    static <T> java.util.Set<T> of​(T e1)
    Returns an unmodifiable set containing one element.
    static <T> java.util.Set<T> of​(T... entries)
    Returns an unmodifiable set containing an arbitrary number of elements.
    static <T> java.util.Set<T> of​(T e1, T e2)
    Returns an unmodifiable set containing two elements.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • Set

      public Set()

  • Method Details

    • of

      public static <T> java.util.Set<T> of()
      Returns an unmodifiable set containing zero elements.
      Type Parameters:
      T - the Set's element type
      Returns:
      an empty Set

    • of

      public static <T> java.util.Set<T> of​(T e1)
      Returns an unmodifiable set containing one element.
      Type Parameters:
      T - the Set's element type
      Parameters:
      e1 - the single element
      Returns:
      a Set containing the specified element

    • of

      public static <T> java.util.Set<T> of​(T e1, T e2)
      Returns an unmodifiable set containing two elements.
      Type Parameters:
      T - the Set's element type
      Parameters:
      e1 - the first element
      e2 - the second element
      Returns:
      a Set containing the specified element

    • of

      @SafeVarargs public static <T> java.util.Set<T> of​(T... entries)
      Returns an unmodifiable set containing an arbitrary number of elements.
      Type Parameters:
      T - the Set's element type
      Parameters:
      entries - the elements to be contained in the set
      Returns:
      an unmodifiable set containing the specified elements.

    • copyOf

      public static <T> java.util.Set<T> copyOf​(java.util.Collection<? extends T> coll)
      Returns an unmodifiable Set containing the elements of the given Collection.
      Type Parameters:
      T - the Set's element type
      Parameters:
      coll - a Collection from which elements are drawn, must be non-null
      Returns:
      a Set containing the elements of the given Collection
      Throws:
      java.lang.NullPointerException - if coll is null, or if it contains any nulls
      Since:
      10