org.schwefel.kv

Class KVStore

java.lang.Object

org.schwefel.kv.KVStore

All Implemented Interfaces:

AutoCloseable, BasicOps, KindManagement, StoreOps

public final class KVStore
extends Object
implements StoreOps, KindManagement

Constructor Summary

Constructors

Constructor and Description
KVStore(Path dir)

Method Summary

Modifier and Type	Method and Description
void	close()
Batch	createBatch()
void	delete(Kind kind, byte[] key)
byte[]	deleteIfPresent(Kind kind, byte[] key)
byte[]	findMaxKey(Kind kind)
byte[]	findMaxKeyByPrefix(Kind kind, byte[] keyPrefix)
byte[]	findMaxKeyByUpperBound(Kind kind, byte[] upperBound)
byte[]	findMaxKeyLessThan(Kind kind, byte[] keyPrefix, byte[] upperBound)
byte[]	findMinKey(Kind kind)
byte[]	findMinKeyByLowerBound(Kind kind, byte[] lowerBound)
byte[]	findMinKeyByPrefix(Kind kind, byte[] keyPrefix)
byte[]	findMinKeyGreaterThan(Kind kind, byte[] keyPrefix, byte[] lowerBound)
void	flush()
void	flushNoWait()
byte[]	get(Kind kind, byte[] key)
Kind	getDefaultKind()
Kind	getKind(String kindName)
KindManagement	getKindManagement()
Set<Kind>	getKinds()
Kind	getOrCreateKind(String kindName)
Stats	getStats()
boolean	isOpen()
void	put(Kind kind, byte[] key, byte[] value)
void	putIfAbsent(Kind kind, byte[] key, byte[] value)
ForEachKeyValue	scanAll(Kind kind)
ForEachKeyValue	scanAll(Kind kind, byte[] beginKey)
ForEachKeyValue	scanRange(Kind kind, byte[] beginKey, byte[] endKey)
Tx	startTx()
void	syncWAL()
byte[]	updateIfPresent(Kind kind, byte[] key, byte[] value)
void	writeBatch(Batch batch)

Methods inherited from class java.lang.Object

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

Constructor Detail

KVStore

public KVStore(Path dir)

Method Detail

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface StoreOps

getKindManagement

public KindManagement getKindManagement()

Specified by:

getKindManagement in interface StoreOps

getKinds

public Set<Kind> getKinds()

Specified by:

getKinds in interface KindManagement

getKind

public Kind getKind(String kindName)

Specified by:

getKind in interface KindManagement

getOrCreateKind

public Kind getOrCreateKind(String kindName)

Specified by:

getOrCreateKind in interface KindManagement

getDefaultKind

public Kind getDefaultKind()

Specified by:

getDefaultKind in interface KindManagement

put

public void put(Kind kind,
                byte[] key,
                byte[] value)

Specified by:

put in interface BasicOps

Specified by:

put in interface StoreOps

putIfAbsent

public void putIfAbsent(Kind kind,
                        byte[] key,
                        byte[] value)

Specified by:

putIfAbsent in interface StoreOps

deleteIfPresent

public byte[] deleteIfPresent(Kind kind,
                              byte[] key)

Specified by:

deleteIfPresent in interface StoreOps

updateIfPresent

public byte[] updateIfPresent(Kind kind,
                              byte[] key,
                              byte[] value)

Specified by:

updateIfPresent in interface BasicOps

Specified by:

updateIfPresent in interface StoreOps

get

public byte[] get(Kind kind,
                  byte[] key)

Specified by:

get in interface BasicOps

Specified by:

get in interface StoreOps

delete

public void delete(Kind kind,
                   byte[] key)

Specified by:

delete in interface BasicOps

Specified by:

delete in interface StoreOps

writeBatch

public void writeBatch(Batch batch)

Specified by:

writeBatch in interface StoreOps

syncWAL

public void syncWAL()

Specified by:

syncWAL in interface StoreOps

isOpen

public boolean isOpen()

Specified by:

isOpen in interface StoreOps

flush

public void flush()

Specified by:

flush in interface StoreOps

flushNoWait

public void flushNoWait()

Specified by:

flushNoWait in interface StoreOps

scanAll

public ForEachKeyValue scanAll(Kind kind)

Specified by:

scanAll in interface StoreOps

scanAll

public ForEachKeyValue scanAll(Kind kind,
                               byte[] beginKey)

Specified by:

scanAll in interface StoreOps

scanRange

public ForEachKeyValue scanRange(Kind kind,
                                 byte[] beginKey,
                                 byte[] endKey)

Specified by:

scanRange in interface StoreOps

findMinKey

public byte[] findMinKey(Kind kind)

Specified by:

findMinKey in interface StoreOps

findMinKeyByPrefix

public byte[] findMinKeyByPrefix(Kind kind,
                                 byte[] keyPrefix)

Specified by:

findMinKeyByPrefix in interface StoreOps

findMaxKey

public byte[] findMaxKey(Kind kind)

Specified by:

findMaxKey in interface StoreOps

findMaxKeyByPrefix

public byte[] findMaxKeyByPrefix(Kind kind,
                                 byte[] keyPrefix)

Specified by:

findMaxKeyByPrefix in interface StoreOps

findMinKeyByLowerBound

public byte[] findMinKeyByLowerBound(Kind kind,
                                     byte[] lowerBound)

Specified by:

findMinKeyByLowerBound in interface StoreOps

findMaxKeyByUpperBound

public byte[] findMaxKeyByUpperBound(Kind kind,
                                     byte[] upperBound)

Specified by:

findMaxKeyByUpperBound in interface StoreOps

findMaxKeyLessThan

public byte[] findMaxKeyLessThan(Kind kind,
                                 byte[] keyPrefix,
                                 byte[] upperBound)

Specified by:

findMaxKeyLessThan in interface StoreOps

findMinKeyGreaterThan

public byte[] findMinKeyGreaterThan(Kind kind,
                                    byte[] keyPrefix,
                                    byte[] lowerBound)

Specified by:

findMinKeyGreaterThan in interface StoreOps

createBatch

public Batch createBatch()

Specified by:

createBatch in interface StoreOps

startTx

public Tx startTx()

Specified by:

startTx in interface StoreOps

getStats

public Stats getStats()

Specified by:

getStats in interface StoreOps