Package org.terrier.realtime.memory

Provides MemoryIndex structures.

See: Description

Interface Summary

Interface	Description
MemoryPointer	Pointer type for use with MemoryIndex.
MemoryPostingList	A memory posting list interface
MetaIndexMap	An interface defining a meta index structure

Class Summary

Class	Description
MemoryCollectionStatistics	This class provides basic statistics in memory for a collection of documents, such as the average length of documents, or the total number of documents in the collection.
MemoryCompressedMetaIndex	An in-memory version of a Meta-data index.
MemoryDirectIndex	This is a DirectIndex structure that is held fully in memory, it is based upon the MemoryInverted class.
MemoryDocumentIndex	An in-memory version of the Document index.
MemoryDocumentIndexMap	This class is a special variant of the Memory index class where the Document index is backed by a fast mapping structure in memory.
MemoryIndex	An index held in fully memory.
MemoryInvertedIndex	A basic inverted file implementation for use with MemoryIndex structures.
MemoryIterablePosting	A postings list implementation held fully in memory.
MemoryLexicon	The lexicon structure for a MemoryIndex.
MemoryLexiconEntry	A lexicon entry stored in a MemoryLexicon.
MemoryMetaIndex	An in-memory version of a Meta-data index.
MemoryMetaIndexMap	A memory meta index structure that supports fast look-ups via a map.
WTreeMap<K,V>	Wrapper around TreeMap implementing OrderedMap.

Package org.terrier.realtime.memory Description

Provides MemoryIndex structures. Memory indices are wholly stored in memory, are updatable and can (optionally) be written to disk.