Package elki.persistent

Persistent data management.

Interface Summary

Interface	Description
ExternalizablePage	Base interface for externalizable pages.
Page	Defines the requirements for objects that can be stored in a cache and can be persistently saved.
PageFile<P extends Page>	Page file interface.
PageFileFactory<P extends Page>	Factory interface for generating page files.
PageHeader	Defines the requirements for a header of a persistent page file.

Class Summary

Class	Description
AbstractExternalizablePage	Abstract superclass for pages.
AbstractPageFile<P extends Page>	Abstract base class for the page file API for both caches and true page files (in-memory and on-disk).
AbstractPageFileFactory<P extends Page>	Abstract page file factory.
AbstractStoringPageFile<P extends Page>	Abstract class implementing general methods of a PageFile.
DefaultPageHeader	Default implementation of a page header.
LRUCache<P extends Page>	An LRU cache, based on LinkedHashMap. This cache has a fixed maximum number of objects (cacheSize).
LRUCachePageFileFactory<P extends Page>	Page file factory for memory page files.
LRUCachePageFileFactory.Par	Parameterization class.
MemoryPageFile<P extends Page>	A memory based implementation of a PageFile that simulates I/O-access.
MemoryPageFileFactory<P extends Page>	Page file factory for memory page files.
MemoryPageFileFactory.Par	Parameterization class.
OnDiskArray	On Disc Array storage for records of a given size.
OnDiskArrayPageFile<P extends Page>	A OnDiskArrayPageFile stores objects persistently that implement the Page interface.
OnDiskArrayPageFileFactory<P extends Page>	Page file factory for disk-based page files.
OnDiskUpperTriangleMatrix	Class representing an upper triangle matrix backed by an on-disk array of O((n+1)*n/2) size
PersistentPageFile<P extends ExternalizablePage>	A PersistentPageFile stores objects persistently that implement the Page interface.
PersistentPageFileFactory<P extends ExternalizablePage>	Page file factory for disk-based page files.