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

Method Summary

Methods

Modifier and Type	Method and 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

Constructor Detail

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 Detail

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 Returns all items that become outdated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 Iterable<K>

Specified by:

iterator in interface Collection<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