Pool

Kotlin |Java

interface Pool<T : Any!>

androidx.core.util.Pools.Pool

Known Direct Subclasses Pools.SimplePool Pools.SimplePool Simple (non-synchronized) pool of objects.

Known Indirect Subclasses Pools.SynchronizedPool Pools.SynchronizedPool Synchronized) pool of objects.

Interface for managing a pool of objects.

Summary

Public methods
abstract T?	acquire()
abstract Boolean	release(@NonNull instance: T) Release an instance to the pool.

Public methods

acquire

@Nullable abstract fun acquire(): T?

Return
T?: An instance from the pool if such, null otherwise.

release

abstract fun release(@NonNull instance: T): Boolean

Release an instance to the pool.

Parameters
instance	T: The instance to release.

Return
Boolean: Whether the instance was put in the pool.

Exceptions
IllegalStateException	If the instance is already in the pool.