org.jgroups.blocks
Class LazyRemovalSet<V>

java.lang.Object
  org.jgroups.blocks.LazyRemovalSet<V>

public class LazyRemovalSet<V>
extends java.lang.Object

Hash set which doesn't remove elements on remove(), removeAll() or retainAll(), but only removes elements when a configurable size limit has been exceeded. In that case, all elements marked as removable and older than a configurable time are evicted. Elements are marked as removable by remove(), removeAll() and retainAll(). When an elements is marked as removable, but later reinserted, the mark is removed.

Author:

Bela Ban

Nested Class Summary

protected static class	LazyRemovalSet.Entry<V>
static interface	LazyRemovalSet.Printable<V>

Constructor Summary

LazyRemovalSet()

LazyRemovalSet(int max_elements, long max_age)

Method Summary

void	add(java.util.Collection<V> vals)
void	add(V... vals)
void	add(V val)
void	clear(boolean force)
boolean	contains(V val)
protected LazyRemovalSet.Entry<V>	find(V val)
java.util.Set<V>	nonRemovedValues() Adds all value which have not been marked as removable to the returned set
java.lang.String	printCache()
java.lang.String	printCache(LazyRemovalSet.Printable<V> print_function)
void	remove(V val)
void	remove(V val, boolean force)
void	removeAll(java.util.Collection<V> values)
void	removeAll(java.util.Collection<V> values, boolean force)
void	removeMarkedElements() Removes elements marked as removable
void	removeMarkedElements(boolean force) Removes elements marked as removable
void	retainAll(java.util.Collection<V> values)
void	retainAll(java.util.Collection<V> values, boolean force)
int	size()
java.lang.String	toString()
java.util.Set<V>	values()

Methods inherited from class java.lang.Object

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

Constructor Detail

LazyRemovalSet

public LazyRemovalSet()

LazyRemovalSet

public LazyRemovalSet(int max_elements,
                      long max_age)

Method Detail

add

public void add(V val)

add

public void add(V... vals)

add

public void add(java.util.Collection<V> vals)

contains

public boolean contains(V val)

remove

public void remove(V val)

remove

public void remove(V val,
                   boolean force)

removeAll

public void removeAll(java.util.Collection<V> values)

removeAll

public void removeAll(java.util.Collection<V> values,
                      boolean force)

clear

public void clear(boolean force)

retainAll

public void retainAll(java.util.Collection<V> values)

retainAll

public void retainAll(java.util.Collection<V> values,
                      boolean force)

values

public java.util.Set<V> values()

nonRemovedValues

public java.util.Set<V> nonRemovedValues()

Adds all value which have not been marked as removable to the returned set

Returns:

size

public int size()

printCache

public java.lang.String printCache()

printCache

public java.lang.String printCache(LazyRemovalSet.Printable<V> print_function)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

find

protected LazyRemovalSet.Entry<V> find(V val)

removeMarkedElements

public void removeMarkedElements(boolean force)

Removes elements marked as removable

Parameters:

force - If set to true, all elements marked as 'removable' will get removed, regardless of expiration

removeMarkedElements

public void removeMarkedElements()

Removes elements marked as removable