Package io.permazen.kv.leveldb

Class LevelDBUtil

java.lang.Object

io.permazen.kv.leveldb.LevelDBUtil

public final class LevelDBUtil
extends Object

Utility methods for use with LevelDB.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DB_FACTORY_PROPERTY	The name of a system property that can be set to override the default DBFactory logic.
static final String	LEVELDB_CLASS_NAME	Class name for the DBFactory provided by leveldb.
static final String	LEVELDBJNI_CLASS_NAME	Class name for the DBFactory provided by leveldbjni.

Method Summary

Modifier and Type	Method	Description
static org.iq80.leveldb.DBFactory	getDefaultDBFactory()	Get the default DBFactory.

Methods inherited from class java.lang.Object

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

Field Details

LEVELDBJNI_CLASS_NAME

public static final String LEVELDBJNI_CLASS_NAME

Class name for the DBFactory provided by leveldbjni.

See Also:

• Constant Field Values

LEVELDB_CLASS_NAME

public static final String LEVELDB_CLASS_NAME

Class name for the DBFactory provided by leveldb.

See Also:

• Constant Field Values

DB_FACTORY_PROPERTY

public static final String DB_FACTORY_PROPERTY

The name of a system property that can be set to override the default DBFactory logic. Set to the name of a class that implements DBFactory and has a zero-arg constructor.

Method Details

getDefaultDBFactory

public static org.iq80.leveldb.DBFactory getDefaultDBFactory()

Get the default DBFactory.

This method first tries the class specified by the DB_FACTORY_PROPERTY system property, if any, then leveldbjni, and finally leveldb.

Returns:

DBFactory instance

Throws:

RuntimeException - if no suitable DBFactory class can be found and instantiated

See Also:

• leveldb
• leveldbjni