Description

A persistent storage mechanism for Records. It allows such operations as create, update, fetch and delete. It also allows fast retrieval of the record's size for use with computing relevance ranking.

Implementations

• recordStore.FileSystemRecordStore
  Stores records in the file system
• recordStore.BdbRecordStore
  The recommended implementation, it stores records in BerkeleyDB stores.
• recordStore.ParsingRecordStore
  This store references unparsed data, parses it on demand and returns it. Useful for large databases of small objects

API

Function	Parameters	Returns	Description
__init__	config, parent
create_record	session, record	id	Create a new record with a new identifier
delete_record	session, id		Delete the record with the given identifier
fetch_record	session, id	Record	Return the record with the given identifier
fetch_recordMetadata	session, id, type	String	Return metadata of the given type (e.g. wordCount, byteCount) for the record with the given identifier
store_record	session, record	record	Store an existing record
close	session		Ensure data is commited to disk