org.eclipse.collections.api.set

Interface Pool<V>

All Known Implementing Classes:

AbstractUnifiedSet, UnifiedSet, UnifiedSetWithHashingStrategy

public interface Pool<V>

Method Summary

Modifier and Type	Method and Description
void	clear()
V	get(V key) Locates an object in the pool which is equal to key.
V	put(V key) Puts key into the pool.
V	removeFromPool(V key) Locates an object in the pool which is equal to key and removes it.
int	size()

Method Detail

get

V get(V key)

Locates an object in the pool which is equal to key.

Parameters:

key - the value to look for

Returns:

The object reference in the pool equal to key or null.

clear

void clear()

put

V put(V key)

Puts key into the pool. If there is no existing object that is equal to key, key will be added to the pool and the return value will be the same instance. If there is an existing object in the pool that is equal to key, the pool will remain unchanged and the pooled instance will be is returned.

Parameters:

key - the value to add if not in the pool

Returns:

the object reference in the pool equal to key (either key itself or the existing reference)

size

int size()

removeFromPool

V removeFromPool(V key)

Locates an object in the pool which is equal to key and removes it.

Parameters:

key - object to remove

Returns:

The object reference in the pool equal to key or null.