org.apache.jackrabbit.oak.plugins.blob.cloud

Class CloudBlobStore

java.lang.Object

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

org.apache.jackrabbit.oak.plugins.blob.CachingBlobStore

org.apache.jackrabbit.oak.plugins.blob.cloud.CloudBlobStore

All Implemented Interfaces:

org.apache.jackrabbit.oak.commons.cache.Cache.Backend<org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore.BlockId,org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore.Data>, org.apache.jackrabbit.oak.spi.blob.BlobStore, org.apache.jackrabbit.oak.spi.blob.GarbageCollectableBlobStore

public class CloudBlobStore
extends CachingBlobStore

Implementation of the BlobStore to store blobs in a cloud blob store.

Extends AbstractBlobStore and breaks the the binary to chunks for easier management.

Nested Class Summary

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

org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore.BlockId, org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore.Data

Field Summary

Fields inherited from class org.apache.jackrabbit.oak.plugins.blob.CachingBlobStore

blobCacheSize, cache, DEFAULT_CACHE_SIZE, MEM_CACHE_NAME

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

BLOCK_SIZE_LIMIT, HASH_ALGORITHM, inUse, TYPE_DATA, TYPE_HASH

Constructor Summary

Constructors

Constructor and Description
CloudBlobStore()

Method Summary

Modifier and Type	Method and Description
long	countDeleteChunks(List<String> chunkIds, long maxLastModifiedTime)
void	deleteBucket() Delete the cloud container and all its contents.
String	getAccessKey()
Iterator<String>	getAllChunkIds(long maxLastModifiedTime)
protected String	getCloudContainer()
String	getCloudProvider()
String	getSecretKey()
void	init() Instantiates a connection to the cloud blob store.
protected boolean	isMarkEnabled()
protected void	mark(org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore.BlockId id)
protected byte[]	readBlockFromBackend(org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore.BlockId blockId) Reads the data from the actual cloud service.
void	setAccessKey(String accessKey)
void	setCloudContainer(String cloudContainer)
void	setCloudProvider(String cloudProvider)
void	setSecretKey(String secretKey)
void	startMark()
protected void	storeBlock(byte[] digest, int level, byte[] data) Uploads the block to the cloud service.
int	sweep()

Methods inherited from class org.apache.jackrabbit.oak.plugins.blob.CachingBlobStore

clearCache, getBlobCacheSize, getCacheStats

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

clearInUse, deleteChunks, getBlobId, getBlobLength, getBlockSize, getBlockSizeMin, getInputStream, getOrCreateReferenceKey, getReference, getStatsCollector, load, mark, markInUse, readBlob, resolveChunks, setBlockSize, setBlockSizeMin, setReferenceKey, setReferenceKeyEncoded, setReferenceKeyPlainText, setStatsCollector, usesBlobId, writeBlob, writeBlob, writeBlob

Methods inherited from class java.lang.Object

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

Constructor Detail

CloudBlobStore

public CloudBlobStore()

Method Detail

getCloudContainer

protected String getCloudContainer()

setCloudContainer

public void setCloudContainer(String cloudContainer)

getAccessKey

public String getAccessKey()

setAccessKey

public void setAccessKey(String accessKey)

getSecretKey

public String getSecretKey()

setSecretKey

public void setSecretKey(String secretKey)

getCloudProvider

public String getCloudProvider()

setCloudProvider

public void setCloudProvider(String cloudProvider)

init

public void init()
          throws Exception

Instantiates a connection to the cloud blob store.

Throws:

Exception - if an error occurs

storeBlock

protected void storeBlock(byte[] digest,
                          int level,
                          byte[] data)
                   throws IOException

Uploads the block to the cloud service.

Specified by:

storeBlock in class org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore

Throws:

IOException

readBlockFromBackend

protected byte[] readBlockFromBackend(org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore.BlockId blockId)
                               throws Exception

Reads the data from the actual cloud service.

Specified by:

readBlockFromBackend in class org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore

Throws:

Exception

deleteBucket

public void deleteBucket()

Delete the cloud container and all its contents.

startMark

public void startMark()
               throws IOException

Specified by:

startMark in interface org.apache.jackrabbit.oak.spi.blob.GarbageCollectableBlobStore

Specified by:

startMark in class org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore

Throws:

IOException

mark

protected void mark(org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore.BlockId id)
             throws Exception

Specified by:

mark in class org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore

Throws:

Exception

sweep

public int sweep()
          throws IOException

Specified by:

sweep in interface org.apache.jackrabbit.oak.spi.blob.GarbageCollectableBlobStore

Specified by:

sweep in class org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore

Throws:

IOException

isMarkEnabled

protected boolean isMarkEnabled()

Specified by:

isMarkEnabled in class org.apache.jackrabbit.oak.spi.blob.AbstractBlobStore

getAllChunkIds

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

Throws:

Exception

countDeleteChunks

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

Throws:

Exception