LLDatabaseMVStore

java.lang.Object

com.io7m.looseleaf.database.mvstore.LLDatabaseMVStore

All Implemented Interfaces:: LLDatabaseType, Closeable, AutoCloseable

public final class LLDatabaseMVStore extends Object implements LLDatabaseType

A database implementation based on the H2 MVStore.

Constructor Summary

Constructors

Constructor

Description

LLDatabaseMVStore(org.h2.mvstore.MVStore inStore, org.h2.mvstore.tx.TransactionStore inTXStore)

A database based on the H2 MVStore class.
Method Summary

Modifier and Type

Method

Description

void

close()

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 class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- LLDatabaseMVStore
  
  public LLDatabaseMVStore(org.h2.mvstore.MVStore inStore, org.h2.mvstore.tx.TransactionStore inTXStore)
  
  A database based on the H2 MVStore class.
  
  Parameters:
  
  inStore - The MV store
  
  inTXStore - The transaction store
Method Details
- close
  
  public void close() throws IOException
  
  Specified by:
  
  close in interface AutoCloseable
  
  Specified by:
  
  close in interface Closeable
  
  Throws:
  
  IOException
- isClosed
  
  public boolean isClosed()
  
  Specified by:
  
  isClosed in interface LLDatabaseType
  
  Returns:
  
  true if the store has been closed
- readUpdateDelete
  
  public Map<LLKeyName,String> readUpdateDelete(LLDatabaseRUD rud) throws IOException
  
  Description copied from interface: LLDatabaseType
  
  Atomically read, update, and delete values in the database.
  
  Specified by:
  
  readUpdateDelete in interface LLDatabaseType
  
  Parameters:
  
  rud - The RUD operation
  
  Returns:
  
  The read keys
  
  Throws:
  
  IOException - On errors
- get
  
  public Optional<String> get(LLKeyName key)
  
  Description copied from interface: LLDatabaseType
  
  Get the value associated with the given key, if any.
  
  Specified by:
  
  get in interface LLDatabaseType
  
  Parameters:
  
  key - The key
  
  Returns:
  
  The value, if any