Package org.nustaq.reallive.server.storage

Class OffHeapRecordStorage

java.lang.Object

org.nustaq.reallive.server.storage.OffHeapRecordStorage

All Implemented Interfaces:

RealLiveStreamActor, RecordStorage, SafeRealLiveStreamActor, RecordPersistance

public class OffHeapRecordStorage
extends Object
implements RecordStorage

Created by moelrue on 05.08.2015.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	OffHeapRecordStorage()
	OffHeapRecordStorage(int maxKeyLen, int sizeMB, int estimatedNumRecords)
	OffHeapRecordStorage(String file, int maxKeyLen, int sizeMB, int estimatedNumRecords)

Method Summary

Modifier and Type	Method	Description
ClusterTableRecordMapping	_loadMapping()
RecordStorage	_rawPut(String key, Record value)	does not update lastmodified timestamp
void	_saveMapping(ClusterTableRecordMapping mapping)
protected org.nustaq.offheap.FSTSerializedOffheapMap<String,Record>	createMemMap(int sizeMB, int estimatedNumRecords, int keyLen)
protected org.nustaq.offheap.FSTSerializedOffheapMap<String,Record>	createPersistentMap(String tableFile, int sizeMB, int estimatedNumRecords, int keyLen)
<T> void	forEachWithSpore(org.nustaq.kontraktor.Spore<Record,T> spore)
Record	get(String key)
RemoveLog	getRemoveLog()
StorageStats	getStats()
protected void	init(String tableFile, int sizeMB, int estimatedNumRecords, int keyLen, boolean persist, Class... toReg)
RecordStorage	put(String key, Record value)
Record	remove(String key)
void	resizeIfLoadFactorLarger(double loadFactor, long maxGrow)
long	size()
Stream<Record>	stream()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.nustaq.reallive.api.RealLiveStreamActor

forEach, forEach, listByQuery, map, query

Constructor Details

OffHeapRecordStorage

protected OffHeapRecordStorage()

OffHeapRecordStorage

public OffHeapRecordStorage(int maxKeyLen,
 int sizeMB,
 int estimatedNumRecords)

OffHeapRecordStorage

public OffHeapRecordStorage(String file,
 int maxKeyLen,
 int sizeMB,
 int estimatedNumRecords)

Method Details

init

protected void init(String tableFile,
 int sizeMB,
 int estimatedNumRecords,
 int keyLen,
 boolean persist,
 Class... toReg)

createMemMap

protected org.nustaq.offheap.FSTSerializedOffheapMap<String,Record> createMemMap(int sizeMB,
 int estimatedNumRecords,
 int keyLen)

createPersistentMap

protected org.nustaq.offheap.FSTSerializedOffheapMap<String,Record> createPersistentMap(String tableFile,
 int sizeMB,
 int estimatedNumRecords,
 int keyLen)
                                                                                 throws Exception

Throws:

Exception

getStats

public StorageStats getStats()

Specified by:

getStats in interface RecordPersistance

Specified by:

getStats in interface RecordStorage

put

public RecordStorage put(String key,
 Record value)

Specified by:

put in interface RecordPersistance

Specified by:

put in interface RecordStorage

_rawPut

public RecordStorage _rawPut(String key,
 Record value)

Description copied from interface: RecordPersistance

does not update lastmodified timestamp

Specified by:

_rawPut in interface RecordPersistance

Returns:

get

public Record get(String key)

Specified by:

get in interface RecordStorage

remove

public Record remove(String key)

Specified by:

remove in interface RecordPersistance

Specified by:

remove in interface RecordStorage

size

public long size()

Specified by:

size in interface RecordStorage

stream

public Stream<Record> stream()

Specified by:

stream in interface RecordStorage

resizeIfLoadFactorLarger

public void resizeIfLoadFactorLarger(double loadFactor,
 long maxGrow)

Specified by:

resizeIfLoadFactorLarger in interface RecordPersistance

Specified by:

resizeIfLoadFactorLarger in interface RecordStorage

getRemoveLog

public RemoveLog getRemoveLog()

Specified by:

getRemoveLog in interface RecordPersistance

forEachWithSpore

public <T> void forEachWithSpore(org.nustaq.kontraktor.Spore<Record,T> spore)

Specified by:

forEachWithSpore in interface RealLiveStreamActor

Specified by:

forEachWithSpore in interface RecordPersistance

_saveMapping

public void _saveMapping(ClusterTableRecordMapping mapping)

Specified by:

_saveMapping in interface RecordPersistance

_loadMapping

public ClusterTableRecordMapping _loadMapping()

Specified by:

_loadMapping in interface RecordPersistance