io.permazen.kv.rocksdb

Class RocksDBKVDatabase

java.lang.Object

io.permazen.kv.mvcc.SnapshotKVDatabase

io.permazen.kv.rocksdb.RocksDBKVDatabase

All Implemented Interfaces:

KVDatabase

public class RocksDBKVDatabase
extends SnapshotKVDatabase

KVDatabase implementation based on a RocksDBAtomicKVStore, providing concurrent transactions and linearizable ACID semantics.

Key watches are supported.

Field Summary

Fields inherited from class io.permazen.kv.mvcc.SnapshotKVDatabase

log

Constructor Summary

Constructors

Constructor and Description
RocksDBKVDatabase()

Method Summary

Modifier and Type	Method and Description
protected RocksDBKVTransaction	createSnapshotKVTransaction(MutableView view, long baseVersion)
RocksDBKVTransaction	createTransaction()
RocksDBAtomicKVStore	getKVStore() Get the underlying RocksDBAtomicKVStore used by this instance.
void	setKVStore(RocksDBAtomicKVStore kvstore) Configure the underlying RocksDBAtomicKVStore used by this instance.

Methods inherited from class io.permazen.kv.mvcc.SnapshotKVDatabase

closeTransactions, createTransaction, getCurrentVersion, logException, setKVStore, start, stop, toString, wrapException

Methods inherited from class java.lang.Object

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

Constructor Detail

RocksDBKVDatabase

public RocksDBKVDatabase()

Method Detail

getKVStore

public RocksDBAtomicKVStore getKVStore()

Get the underlying RocksDBAtomicKVStore used by this instance.

Overrides:

getKVStore in class SnapshotKVDatabase

Returns:

underlying key/value store

setKVStore

public void setKVStore(RocksDBAtomicKVStore kvstore)

Configure the underlying RocksDBAtomicKVStore used by this instance. Required property.

Parameters:

kvstore - underlying key/value store

Throws:

IllegalStateException - if this instance is already SnapshotKVDatabase.start()ed

createTransaction

public RocksDBKVTransaction createTransaction()

Specified by:

createTransaction in interface KVDatabase

Overrides:

createTransaction in class SnapshotKVDatabase

createSnapshotKVTransaction

protected RocksDBKVTransaction createSnapshotKVTransaction(MutableView view,
                                                           long baseVersion)

Overrides:

createSnapshotKVTransaction in class SnapshotKVDatabase