org.nustaq.reallive.impl.storage

Class OffHeapRecordStorage

java.lang.Object

org.nustaq.reallive.impl.storage.OffHeapRecordStorage

All Implemented Interfaces:

RealLiveStreamActor<String>, RecordStorage<String>

public class OffHeapRecordStorage
extends Object
implements RecordStorage<String>

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
protected org.nustaq.offheap.FSTSerializedOffheapMap<String,Record<String>>	createMemMap(int sizeMB, int estimatedNumRecords, int keyLen)
protected org.nustaq.offheap.FSTSerializedOffheapMap<String,Record<String>>	createPersistentMap(String tableFile, int sizeMB, int estimatedNumRecords, int keyLen)
<T> void	forEach(org.nustaq.kontraktor.Spore<Record<String>,T> spore)
Record<String>	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<String> value)
Record<String>	remove(String key)
long	size()
Stream<Record<String>>	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.interfaces.RealLiveStreamActor

filter, filterPP, 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<String>> createMemMap(int sizeMB,
                                                                                         int estimatedNumRecords,
                                                                                         int keyLen)

createPersistentMap

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

Throws:

Exception

getStats

public StorageStats getStats()

Specified by:

getStats in interface RecordStorage<String>

put

public RecordStorage put(String key,
                         Record<String> value)

Specified by:

put in interface RecordStorage<String>

get

public Record<String> get(String key)

Specified by:

get in interface RecordStorage<String>

remove

public Record<String> remove(String key)

Specified by:

remove in interface RecordStorage<String>

size

public long size()

Specified by:

size in interface RecordStorage<String>

stream

public Stream<Record<String>> stream()

Specified by:

stream in interface RecordStorage<String>

forEach

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

Specified by:

forEach in interface RealLiveStreamActor<String>