Module org.elasticsearch.server

Package org.elasticsearch.common.util

Class ObjectObjectPagedHashMap<K,V>

java.lang.Object

org.elasticsearch.common.util.ObjectObjectPagedHashMap<K,V>

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<ObjectObjectPagedHashMap.Cursor<K,V>>, Releasable

public final class ObjectObjectPagedHashMap<K,V>
extends Object
implements Iterable<ObjectObjectPagedHashMap.Cursor<K,V>>

A hash table from objects to objects. This implementation resolves collisions with open addressing and linear probing and does not support null values. This class is not thread-safe. Note that this class does not track either the actual keys or values. It is responsibility of the caller to release those objects if necessary.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	ObjectObjectPagedHashMap.Cursor<K,V>

Constructor Summary

Constructors

Constructor	Description
ObjectObjectPagedHashMap(long capacity, float maxLoadFactor, BigArrays bigArrays)
ObjectObjectPagedHashMap(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()
V	get(K key)	Get the value that is associated with key or null if key was not present in the hash table.
protected final void	grow()
Iterator<ObjectObjectPagedHashMap.Cursor<K,V>>	iterator()
V	put(K key, V 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.
V	remove(K 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

ObjectObjectPagedHashMap

public ObjectObjectPagedHashMap(long capacity,
 BigArrays bigArrays)

ObjectObjectPagedHashMap

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

Method Details

get

public V get(K key)

Get the value that is associated with key or null if key was not present in the hash table.

put

public V put(K key,
 V 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 V remove(K 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<ObjectObjectPagedHashMap.Cursor<K,V>> iterator()

Specified by:

iterator in interface Iterable<K>

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface 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()