readium-shared/org.readium.r2.shared.util.cache/Cache

Cache

interface Cache<V> : Closeable, MemoryObserver

A generic cache for objects of type V.

It implements MemoryObserver to flush unused in-memory objects when necessary.

Inheritors

Functions

abstract fun close()

Closes this object and releases any resources associated with it. If the object is already closed then invoking this method has no effect.

abstract fun onTrimMemory(level: MemoryObserver.Level)

Called by the system when memory needs to be freed.

abstract suspend fun <T> transaction(block: suspend CacheTransaction<V>.() -> T): T

Performs an atomic block transaction on this cache.