Module org.apache.jena.core

Package org.apache.jena.mem

Class HashedBunchMap

java.lang.Object

org.apache.jena.mem.HashCommon<Object>

org.apache.jena.mem.HashedBunchMap

All Implemented Interfaces:

BunchMap

public class HashedBunchMap
extends HashCommon<Object>
implements BunchMap

An implementation of BunchMap that does open-addressed hashing.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.jena.mem.HashCommon

HashCommon.NotifyEmpty

Field Summary

Fields inherited from class org.apache.jena.mem.HashCommon

capacity

Constructor Summary

Constructors

Constructor	Description
HashedBunchMap()

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear this map: all entries are removed.
TripleBunch	get(Object key)	Answer the TripleBunch associated with key, or null if there isn't one.
TripleBunch	getOrSet(Object key, Function<Object,TripleBunch> setter)	Get the key and return the value found there; if nothing, calculate the value and insert.
void	put(Object key, TripleBunch value)	Associate key and value.
long	size()	The number of items in the bunch.

Methods inherited from class org.apache.jena.mem.HashCommon

getItemForTestingAt, keyIterator, keyIterator, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jena.mem.BunchMap

keyIterator, remove

Constructor Details

HashedBunchMap

public HashedBunchMap()

Method Details

clear

public void clear()

Clear this map: all entries are removed. The keys and value array elements are set to null (so the values may be garbage-collected).

Specified by:

clear in interface BunchMap

size

public long size()

Description copied from interface: BunchMap

The number of items in the bunch.

Specified by:

size in interface BunchMap

get

public TripleBunch get(Object key)

Description copied from interface: BunchMap

Answer the TripleBunch associated with key, or null if there isn't one.

Specified by:

get in interface BunchMap

put

public void put(Object key,
 TripleBunch value)

Description copied from interface: BunchMap

Associate key and value. Any existing association of key is lost. get on this key will now deliver this value.

Specified by:

put in interface BunchMap

getOrSet

public TripleBunch getOrSet(Object key,
 Function<Object,TripleBunch> setter)

Description copied from interface: BunchMap

Get the key and return the value found there; if nothing, calculate the value and insert. Return the value now the slot.

Specified by:

getOrSet in interface BunchMap