Package org.elasticsearch.common.collect

Class HppcMaps

java.lang.Object
org.elasticsearch.common.collect.HppcMaps
public final class HppcMaps
extends java.lang.Object

  • Nested Class Summary

    Nested Classes
    Modifier and Type Class Description
    static class  HppcMaps.Object  

  • Method Summary

    Modifier and Type Method Description
    static <T> java.lang.Iterable<T> intersection​(com.carrotsearch.hppc.ObjectLookupContainer<T> container1, com.carrotsearch.hppc.ObjectLookupContainer<T> container2)  
    static <K,​ V> com.carrotsearch.hppc.ObjectObjectHashMap<K,​V> newMap​(int expectedElements)
    Returns a new map with the given number of expected elements.
    static <K,​ V> com.carrotsearch.hppc.ObjectObjectHashMap<K,​V> newNoNullKeysMap()
    Returns a map like newMap(int) that does not accept null keys
    static <K,​ V> com.carrotsearch.hppc.ObjectObjectHashMap<K,​V> newNoNullKeysMap​(int expectedElements)
    Returns a map like newMap(int) that does not accept null keys

    Methods inherited from class java.lang.Object

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

  • Method Details

    • newMap

      public static <K,​ V> com.carrotsearch.hppc.ObjectObjectHashMap<K,​V> newMap​(int expectedElements)
      Returns a new map with the given number of expected elements.
      Parameters:
      expectedElements - The expected number of elements guaranteed not to cause buffer expansion (inclusive).

    • newNoNullKeysMap

      public static <K,​ V> com.carrotsearch.hppc.ObjectObjectHashMap<K,​V> newNoNullKeysMap()
      Returns a map like newMap(int) that does not accept null keys

    • newNoNullKeysMap

      public static <K,​ V> com.carrotsearch.hppc.ObjectObjectHashMap<K,​V> newNoNullKeysMap​(int expectedElements)
      Returns a map like newMap(int) that does not accept null keys
      Parameters:
      expectedElements - The expected number of elements guaranteed not to cause buffer expansion (inclusive).

    • intersection

      public static <T> java.lang.Iterable<T> intersection​(com.carrotsearch.hppc.ObjectLookupContainer<T> container1, com.carrotsearch.hppc.ObjectLookupContainer<T> container2)
      Returns:
      an intersection view over the two specified containers (which can be KeyContainer or ObjectHashSet).