Package org.elasticsearch.common.util

Class LongObjectPagedHashMap<T>

java.lang.Object
org.elasticsearch.common.util.LongObjectPagedHashMap<T>
All Implemented Interfaces:
Closeable, AutoCloseable, Iterable<LongObjectPagedHashMap.Cursor<T>>, org.elasticsearch.core.Releasable
public class LongObjectPagedHashMap<T> extends Object implements Iterable<LongObjectPagedHashMap.Cursor<T>>
A hash table from native longs to objects. This implementation resolves collisions using open-addressing and does not support null values. This class is not thread-safe.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static class 
    LongObjectPagedHashMap.Cursor<T>
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    LongObjectPagedHashMap(long capacity, float maxLoadFactor, BigArrays bigArrays)
     
    LongObjectPagedHashMap(long capacity, BigArrays bigArrays)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    long
    capacity()
    Return the number of allocated slots to store this hash table.
    void
    close()
     
    T
    get(long key)
    Get the value that is associated with key or null if key was not present in the hash table.
    protected void
    grow()
     
    Iterator<LongObjectPagedHashMap.Cursor<T>>
    iterator()
     
    T
    put(long key, T value)
    Put this new (key, value) pair into this hash table and return the value that was previously associated with key or null in case of an insertion.
    T
    remove(long key)
    Remove the entry which has this key in the hash table and return the associated value or null if there was no entry associated with this key.
    protected void
    removeAndAdd(long index)
    Remove the entry at the given index and add it back
    protected void
    resize(long capacity)
    Resize to the given capacity.
    long
    size()
    Return the number of longs in this hash table.
    protected boolean
    used(long bucket)
     

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface java.lang.Iterable

    forEach, spliterator

  • Constructor Details

    • LongObjectPagedHashMap

      public LongObjectPagedHashMap(long capacity, BigArrays bigArrays)

    • LongObjectPagedHashMap

      public LongObjectPagedHashMap(long capacity, float maxLoadFactor, BigArrays bigArrays)

  • Method Details

    • get

      public T get(long key)
      Get the value that is associated with key or null if key was not present in the hash table.

    • put

      public T put(long key, T value)
      Put this new (key, value) pair into this hash table and return the value that was previously associated with key or null in case of an insertion.

    • remove

      public T remove(long key)
      Remove the entry which has this key in the hash table and return the associated value or null if there was no entry associated with this key.

    • iterator

      public Iterator<LongObjectPagedHashMap.Cursor<T>> iterator()
      Specified by:
      iterator in interface Iterable<T>

    • close

      public void close()
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable
      Specified by:
      close in interface org.elasticsearch.core.Releasable

    • resize

      protected void resize(long capacity)
      Resize to the given capacity.

    • used

      protected boolean used(long bucket)

    • removeAndAdd

      protected void removeAndAdd(long index)
      Remove the entry at the given index and add it back

    • capacity

      public long capacity()
      Return the number of allocated slots to store this hash table.

    • size

      public long size()
      Return the number of longs in this hash table.

    • grow

      protected final void grow()