Package com.usatiuk.objects.stores

Class LmdbObjectPersistentStore

java.lang.Object

com.usatiuk.objects.stores.LmdbObjectPersistentStore

All Implemented Interfaces:

ObjectPersistentStore

@ApplicationScoped
public class LmdbObjectPersistentStore
extends Object
implements ObjectPersistentStore

Persistent object storage using LMDB

Constructor Summary

Constructors

Constructor	Description
LmdbObjectPersistentStore(String root)

Method Summary

Modifier and Type	Method	Description
void	commitTx(TxManifestRaw names, long txId)	Commit a transaction to the persistent store.
long	getFreeSpace()	Get the free space of the persistent store.
Snapshot<JObjectKey,ByteBuffer>	getSnapshot()	Get a snapshot of the database.
long	getTotalSpace()	Get the size of the persistent store.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

LmdbObjectPersistentStore

public LmdbObjectPersistentStore(String root)

Method Details

getSnapshot

public Snapshot<JObjectKey,ByteBuffer> getSnapshot()

Get a snapshot of the database. Note that the ByteBuffers are invalid after the snapshot is closed.

Specified by:

getSnapshot in interface ObjectPersistentStore

Returns:

a snapshot of the database

commitTx

public void commitTx(TxManifestRaw names,
 long txId)

Description copied from interface: ObjectPersistentStore

Commit a transaction to the persistent store.

Specified by:

commitTx in interface ObjectPersistentStore

Parameters:

names - the transaction manifest

txId - the transaction ID

getTotalSpace

public long getTotalSpace()

Description copied from interface: ObjectPersistentStore

Get the size of the persistent store.

Specified by:

getTotalSpace in interface ObjectPersistentStore

Returns:

the size of the persistent store

getFreeSpace

public long getFreeSpace()

Description copied from interface: ObjectPersistentStore

Get the free space of the persistent store.

Specified by:

getFreeSpace in interface ObjectPersistentStore

Returns:

the free space of the persistent store