org.nustaq.reallive.impl.storage

Class OffHeapRecordStorage

java.lang.Object

org.nustaq.reallive.impl.storage.OffHeapRecordStorage

All Implemented Interfaces:

RealLiveStreamActor, RecordStorage, SafeRealLiveStreamActor

public class OffHeapRecordStorage
extends Object
implements RecordStorage

Created by moelrue on 05.08.2015.

Constructor Summary

Constructors

Modifier	Constructor and 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 and Description
RecordStorage	_put(String key, Record value)
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)
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()
java.util.stream.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, map, query

Constructor Detail

OffHeapRecordStorage

protected OffHeapRecordStorage()

OffHeapRecordStorage

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

OffHeapRecordStorage

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

Method Detail

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 RecordStorage

put

public RecordStorage put(String key,
                         Record value)

Specified by:

put in interface RecordStorage

_put

public RecordStorage _put(String key,
                          Record value)

get

public Record get(String key)

Specified by:

get in interface RecordStorage

remove

public Record remove(String key)

Specified by:

remove in interface RecordStorage

size

public long size()

Specified by:

size in interface RecordStorage

stream

public java.util.stream.Stream<Record> stream()

Specified by:

stream in interface RecordStorage

resizeIfLoadFactorLarger

public void resizeIfLoadFactorLarger(double loadFactor,
                                     long maxGrow)

Specified by:

resizeIfLoadFactorLarger in interface RecordStorage

forEachWithSpore

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

Specified by:

forEachWithSpore in interface RealLiveStreamActor