Package org.apache.jackrabbit.oak.spi.blob

Class MemoryBlobStore

java.lang.Object

org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore

org.apache.jackrabbit.oak.spi.blob.MemoryBlobStore

All Implemented Interfaces:

AutoCloseable, Cache.Backend<AbstractBlobStore.BlockId,AbstractBlobStore.Data>, BlobStore, GarbageCollectableBlobStore

public class MemoryBlobStore
extends AbstractBlobStore

A memory blob store. Useful for testing.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore

AbstractBlobStore.BlockId, AbstractBlobStore.Data

Constructor Summary

Constructors

Constructor	Description
MemoryBlobStore()

Method Summary

Modifier and Type	Method	Description
void	clearCache()	Clear the cache.
long	countDeleteChunks(List<String> chunkIds, long maxLastModifiedTime)	Ignores the maxlastModifiedTime
Iterator<String>	getAllChunkIds(long maxLastModifiedTime)	Ignores the maxlastModifiedTime
void	startMark()	Start the mark phase.
int	sweep()	Remove all unused blocks.

Methods inherited from class org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore

clearInUse, close, deleteChunks, getBlobId, getBlobLength, getBlockSize, getBlockSizeMin, getInputStream, getReference, load, readBlob, resolveChunks, setBlockSize, setBlockSizeMin, setReferenceKey, setReferenceKeyEncoded, setReferenceKeyPlainText, setStatsCollector, writeBlob, writeBlob, writeBlob

Methods inherited from class java.lang.Object

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

Constructor Details

MemoryBlobStore

public MemoryBlobStore()

Method Details

startMark

public void startMark()
               throws IOException

Description copied from interface: GarbageCollectableBlobStore

Start the mark phase.

Specified by:

startMark in interface GarbageCollectableBlobStore

Specified by:

startMark in class AbstractBlobStore

Throws:

IOException

sweep

public int sweep()

Description copied from interface: GarbageCollectableBlobStore

Remove all unused blocks.

Specified by:

sweep in interface GarbageCollectableBlobStore

Specified by:

sweep in class AbstractBlobStore

Returns:

the number of removed blocks

countDeleteChunks

public long countDeleteChunks(List<String> chunkIds,
 long maxLastModifiedTime)
                       throws Exception

Ignores the maxlastModifiedTime

Parameters:

chunkIds - the chunk ids

maxLastModifiedTime - the max last modified time to consider for retrieval, with the special value '0' meaning no filtering by time

Returns:

long the count of successful deletions

Throws:

Exception - the exception

getAllChunkIds

public Iterator<String> getAllChunkIds(long maxLastModifiedTime)
                                throws Exception

Ignores the maxlastModifiedTime

Parameters:

maxLastModifiedTime - the max last modified time to consider for retrieval, with the special value '0' meaning no filtering by time

Returns:

the identifiers

Throws:

Exception - the exception

clearCache

public void clearCache()

Description copied from interface: GarbageCollectableBlobStore

Clear the cache.