Package org.aksw.commons.collections

Class CacheSet<K>

java.lang.Object

org.aksw.commons.collections.CacheSet<K>

Type Parameters:

K -

All Implemented Interfaces:

Iterable<K>, Collection<K>, Set<K>

public class CacheSet<K>
extends Object
implements Set<K>

T is the Timestamp object (e.g. Date, Long, etc). Multiple keys may have the same timestamp. At each time there may only be a single key.

Author:

raven JFreeChart

Constructor Summary

Constructors

Constructor	Description
CacheSet()	inclusive: wheter max distance is inclusive or exclusive.
CacheSet(int maxItemCount, boolean allowRenewal)

Method Summary

Modifier and Type	Method	Description
boolean	_add(K key)	Put operations are done for the current time
boolean	add(K key)
boolean	addAll(Collection<? extends K> arg0)
K	addAndGetRemoved(K key)	Adds an item, and returns an item that was removed - or null if no item was removed
void	clear()
boolean	contains(Object arg0)
boolean	containsAll(Collection<?> arg0)
boolean	equals(Object o)
Integer	getKeyTime(K key)
int	hashCode()
boolean	isEmpty()
Iterator<K>	iterator()	FIXME Make sure that the iterator's remove method cannot be invoked directly
boolean	remove(Object arg0)
boolean	removeAll(Collection<?> items)
boolean	renew(Object key)
boolean	retainAll(Collection<?> arg0)
Set<K>	setMaxItemCount(int newMaxItemCount)	Sets a new maximum distance.
int	size()
Object[]	toArray()
<X> X[]	toArray(X[] arg0)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.Set

spliterator

Constructor Details

CacheSet

public CacheSet()

inclusive: wheter max distance is inclusive or exclusive. e.g. if maxDistance is 10, and a distance is also 10, then inclusive: the item is retained (10 is included) exclusive: the item is removed

CacheSet

public CacheSet(int maxItemCount,
 boolean allowRenewal)

Method Details

getKeyTime

public Integer getKeyTime(K key)

setMaxItemCount

public Set<K> setMaxItemCount(int newMaxItemCount)

Sets a new maximum distance. Returns all items that become outdated

Parameters:

newMaxItemCount -

renew

public boolean renew(Object key)

addAndGetRemoved

public K addAndGetRemoved(K key)

Adds an item, and returns an item that was removed - or null if no item was removed

Parameters:

key -

Returns:

add

public boolean add(K key)

Specified by:

add in interface Collection<K>

Specified by:

add in interface Set<K>

_add

public boolean _add(K key)

Put operations are done for the current time

addAll

public boolean addAll(Collection<? extends K> arg0)

Specified by:

addAll in interface Collection<K>

Specified by:

addAll in interface Set<K>

clear

public void clear()

Specified by:

clear in interface Collection<K>

Specified by:

clear in interface Set<K>

contains

public boolean contains(Object arg0)

Specified by:

contains in interface Collection<K>

Specified by:

contains in interface Set<K>

containsAll

public boolean containsAll(Collection<?> arg0)

Specified by:

containsAll in interface Collection<K>

Specified by:

containsAll in interface Set<K>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<K>

Specified by:

isEmpty in interface Set<K>

iterator

public Iterator<K> iterator()

FIXME Make sure that the iterator's remove method cannot be invoked directly

Specified by:

iterator in interface Collection<K>

Specified by:

iterator in interface Iterable<K>

Specified by:

iterator in interface Set<K>

remove

public boolean remove(Object arg0)

Specified by:

remove in interface Collection<K>

Specified by:

remove in interface Set<K>

removeAll

public boolean removeAll(Collection<?> items)

Specified by:

removeAll in interface Collection<K>

Specified by:

removeAll in interface Set<K>

retainAll

public boolean retainAll(Collection<?> arg0)

Specified by:

retainAll in interface Collection<K>

Specified by:

retainAll in interface Set<K>

size

public int size()

Specified by:

size in interface Collection<K>

Specified by:

size in interface Set<K>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<K>

Specified by:

toArray in interface Set<K>

toArray

public <X> X[] toArray(X[] arg0)

Specified by:

toArray in interface Collection<K>

Specified by:

toArray in interface Set<K>

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<K>

Specified by:

hashCode in interface Set<K>

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection<K>

Specified by:

equals in interface Set<K>

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object