org.expasy.jpl.commons.collection
Class PoolImpl<T extends Cachable>

java.lang.Object
  org.expasy.jpl.commons.collection.PoolImpl<T>

Type Parameters:

T - the Cachable objects.

All Implemented Interfaces:

Pool<T>, Register<T>

public final class PoolImpl<T extends Cachable>
extends Object
implements Pool<T>

This pool stores unique and immutable objects.

Version:

1.0

Author:

nikitin

Nested Class Summary

Nested classes/interfaces inherited from interface org.expasy.jpl.commons.collection.Pool

Pool.KeyAlreadyExistException, Pool.ObjectAlreadyExistException

Method Summary

void	clear() Clear the register.
Set<String>	getKeys() Get keys of all stored objects.
Set<T>	getValues() Get values of all stored objects.
boolean	isRegistered(String id)
boolean	isRegistered(T o) Return true if object exists in pool.
T	lookup(String id)
static <T extends Cachable> PoolImpl<T>	newInstance()
void	register(T o)
int	size()
String	toString()
T	unregister(String id)

Methods inherited from class java.lang.Object

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

Method Detail

newInstance

public static <T extends Cachable> PoolImpl<T> newInstance()

register

public void register(T o)

Specified by:

register in interface Register<T extends Cachable>

unregister

public T unregister(String id)

Specified by:

unregister in interface Register<T extends Cachable>

isRegistered

public final boolean isRegistered(String id)

Specified by:

isRegistered in interface Register<T extends Cachable>

isRegistered

public final boolean isRegistered(T o)

Return true if object exists in pool.

Specified by:

isRegistered in interface Pool<T extends Cachable>

Parameters:

o - the object.

Returns:

true if exists.

lookup

public T lookup(String id)

Specified by:

lookup in interface Register<T extends Cachable>

getKeys

public Set<String> getKeys()

Get keys of all stored objects.

Specified by:

getKeys in interface Pool<T extends Cachable>

Returns:

the key set.

getValues

public Set<T> getValues()

Get values of all stored objects.

Specified by:

getValues in interface Pool<T extends Cachable>

Returns:

the value set.

size

public int size()

Specified by:

size in interface Register<T extends Cachable>

Returns:

the number of registered objects.

clear

public void clear()

Clear the register.

Specified by:

clear in interface Register<T extends Cachable>

toString

public String toString()

Overrides:

toString in class Object