LLDatabaseType

All Superinterfaces:: AutoCloseable, Closeable

All Known Implementing Classes:: LLDatabaseMVStore

public interface LLDatabaseType extends Closeable

A database.

Method Summary

Modifier and Type

Method

Description

Optional<String>

get(LLKeyName key)

Get the value associated with the given key, if any.

boolean

isClosed()

Map<LLKeyName,String>

readUpdateDelete(LLDatabaseRUD rud)

Atomically read, update, and delete values in the database.

Methods inherited from interface java.io.Closeable
close

Method Details
- isClosed
  
  boolean isClosed()
  
  Returns:
  
  true if the store has been closed
- readUpdateDelete
  
  Map<LLKeyName,String> readUpdateDelete(LLDatabaseRUD rud) throws IOException
  
  Atomically read, update, and delete values in the database.
  
  Parameters:
  
  rud - The RUD operation
  
  Returns:
  
  The read keys
  
  Throws:
  
  IOException - On errors
- get
  
  Optional<String> get(LLKeyName key) throws IOException
  
  Get the value associated with the given key, if any.
  
  Parameters:
  
  key - The key
  
  Returns:
  
  The value, if any
  
  Throws:
  
  IOException - On errors