cache

class Cache extends Closeable
Manages a cache.
Manages a cache. Implementation is thread-safe.
class CacheDirectoryCreationException extends Exception
Thrown when a directory to be used as the Cache could not be created.
class CacheDirectoryNotOwnedException extends Exception
Thrown when trying to use a directory as Cache, but the directory might be used by other applications.
class CacheMetadataCorruptedException extends Exception
Exception thrown when the cache metadata failed to load correctly, indicating that it is probably corrupted.
class CacheMetadataTranslator extends AnyRef
Translates CacheMetadata to and from CacheMetadataTemplate.
class CacheReader extends AnyRef
Reads image content from the cache.
class CacheWriter extends AnyRef
Writes UnwrittenLayers to the cache.
class CachedLayer extends Layer
A Layer that has been written out to a cache and has its file-backed content BLOB, digest, size, and diff ID.
class CachedLayerWithMetadata extends CachedLayer
A CachedLayer with a last modified time.
class Caches extends Closeable
Manages both the base image layers cache and the application image layers cache.
Manages both the base image layers cache and the application image layers cache.
In general, the cache for base image layers should be shared between projects, while the cache for the application image layers should be specific to a single project.

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