com.gigaspaces.blobstore.rocksdb

Class RocksDBBlobStoreHandler

java.lang.Object

com.gigaspaces.server.blobstore.BlobStoreStorageHandler

com.gigaspaces.blobstore.rocksdb.RocksDBBlobStoreHandler

All Implemented Interfaces:

ServiceDetailsProvider, ServiceMonitorsProvider

public class RocksDBBlobStoreHandler
extends BlobStoreStorageHandler
implements ServiceDetailsProvider, ServiceMonitorsProvider

Since:

11.0.0

Author:

kobi on 17/9/15.

Constructor Summary

Constructors

Constructor and Description
RocksDBBlobStoreHandler(RocksDBBlobStoreConfigurer configurer)

Method Summary

Modifier and Type	Method and Description
Object	add(Serializable id, Serializable data, BlobStoreObjectType objectType) Add the specified id with the specified data .
void	close() .
org.rocksdb.RocksIterator	createAdminRocksIterator()
org.rocksdb.RocksIterator	createDataRocksIterator()
org.rocksdb.RocksIterator	createMetadataRocksIterator()
org.rocksdb.RocksIterator	createSyncListRocksIterator()
org.rocksdb.RocksIterator	createSyncOverflowRocksIterator()
List<BlobStoreBulkOperationResult>	executeBulk(List<BlobStoreBulkOperationRequest> operations, BlobStoreObjectType objectType, boolean transactional) .
Serializable	get(Serializable id, Object position, BlobStoreObjectType objectType) Returns the data to which the specified id is mapped,
protected long	getBlockSizeKB()
protected long	getCacheSizeMB()
protected XAPColumnFamilyOptions	getDataColumnFamilyOptions()
protected XAPDBOptions	getDBOptions()
protected String	getMappingDir()
Properties	getProperties() .
ServiceDetails[]	getServicesDetails() Retruns one or more service details that the service exposes.
ServiceMonitors[]	getServicesMonitors() Retruns one or more service details that the service exposes.
BlobStoreStorageStatistics	getStatistics()
void	initialize(BlobStoreConfig blobStoreConfig) initialize a blob-store implementation.
protected boolean	isCentralStorage()
Boolean	isPersistent()
DataIterator<BlobStoreGetBulkOperationResult>	iterator(BlobStoreObjectType objectType) .
Serializable	remove(Serializable id, Object position, BlobStoreObjectType objectType) Removes the id (and its corresponding data) from this FDF.
Object	replace(Serializable id, Serializable data, Object position, BlobStoreObjectType objectType) Replace the data to which the specified id is mapped with new data,

Methods inherited from class java.lang.Object

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

Constructor Detail

RocksDBBlobStoreHandler

public RocksDBBlobStoreHandler(RocksDBBlobStoreConfigurer configurer)

Method Detail

getCacheSizeMB

protected long getCacheSizeMB()

getBlockSizeKB

protected long getBlockSizeKB()

initialize

public void initialize(BlobStoreConfig blobStoreConfig)

Description copied from class: BlobStoreStorageHandler

initialize a blob-store implementation.

Overrides:

initialize in class BlobStoreStorageHandler

Parameters:

blobStoreConfig - - Configuration for blobstore implementation.

getProperties

public Properties getProperties()

Description copied from class: BlobStoreStorageHandler

. returns the properties passed (and also optionally set) by the blobstore handler.

Overrides:

getProperties in class BlobStoreStorageHandler

Returns:

properties.

add

public Object add(Serializable id,
                  Serializable data,
                  BlobStoreObjectType objectType)

Description copied from class: BlobStoreStorageHandler

Add the specified id with the specified data . Neither the id nor the data can be null.

Specified by:

add in class BlobStoreStorageHandler

Parameters:

id - id with which the specified value is to be associated

data - data to be associated with the specified id

objectType - the object type - one of BlobStoreObjectType values

Returns:

an optional position object which will be used as a pointer of locating the id, if the operation succeeded, or null if irrelevant

get

public Serializable get(Serializable id,
                        Object position,
                        BlobStoreObjectType objectType)

Description copied from class: BlobStoreStorageHandler

Returns the data to which the specified id is mapped,

Specified by:

get in class BlobStoreStorageHandler

Parameters:

id - id with which the specified data is to be associated

position - optional position object which will be used as a pointer of locating the id, or null if irrelevant

objectType - the object type - one of BlobStoreObjectType values

Returns:

the data to which the specified id is mapped,

replace

public Object replace(Serializable id,
                      Serializable data,
                      Object position,
                      BlobStoreObjectType objectType)

Description copied from class: BlobStoreStorageHandler

Replace the data to which the specified id is mapped with new data,

Specified by:

replace in class BlobStoreStorageHandler

Parameters:

id - id with which the specified data is to be associated

data - the new data to replace the existing one.

position - optional position object which will be used as a pointer of locating the id, or null if irrelevant

objectType - the object type - one of BlobStoreObjectType values

Returns:

the new postion - an optional position object which will be used as a pointer of locating the id, or null if irrelevant

getStatistics

public BlobStoreStorageStatistics getStatistics()

Overrides:

getStatistics in class BlobStoreStorageHandler

remove

public Serializable remove(Serializable id,
                           Object position,
                           BlobStoreObjectType objectType)

Description copied from class: BlobStoreStorageHandler

Removes the id (and its corresponding data) from this FDF.

Specified by:

remove in class BlobStoreStorageHandler

Parameters:

id - the key that needs to be removed

position - optional position object which will be used as a pointer of locating the id, or null if irrelevant

objectType - the object type - one of BlobStoreObjectType values

Returns:

the data to which the specified id is mapped,

executeBulk

public List<BlobStoreBulkOperationResult> executeBulk(List<BlobStoreBulkOperationRequest> operations,
                                                      BlobStoreObjectType objectType,
                                                      boolean transactional)

Description copied from class: BlobStoreStorageHandler

. execute a bulk of operations on the blobstore. return a corresoping list of results note- a non-abstract method, if not implemented the individual operations will be executed one by one

Overrides:

executeBulk in class BlobStoreStorageHandler

Parameters:

operations - - a list of operations to perform

objectType - the object type - one of BlobStoreObjectType values

transactional - - true if the bulk is to be performed in the blobstore as one logical transaction if the blobstore supports transactions, false otherwise

Returns:

a list of results which corresponds to the input list of operations. if one or more operations fail the returned result element will contain exception . if transactional parameter is true a general exception should be thrown instead of a returned result element with exception data

iterator

public DataIterator<BlobStoreGetBulkOperationResult> iterator(BlobStoreObjectType objectType)

Description copied from class: BlobStoreStorageHandler

. creates an iterator over the blobstore objeccts. note- a non-abstract method, if not implemented null will be returned

Overrides:

iterator in class BlobStoreStorageHandler

Parameters:

objectType - the object type - one of BlobStoreObjectType values

Returns:

an iterator over the blobstore objects which belong to the requested objectType.

isPersistent

public Boolean isPersistent()

Overrides:

isPersistent in class BlobStoreStorageHandler

close

public void close()

Description copied from class: BlobStoreStorageHandler

. close the blobstore handler. note- a non-abstract method

Overrides:

close in class BlobStoreStorageHandler

createDataRocksIterator

public org.rocksdb.RocksIterator createDataRocksIterator()

createMetadataRocksIterator

public org.rocksdb.RocksIterator createMetadataRocksIterator()

createSyncListRocksIterator

public org.rocksdb.RocksIterator createSyncListRocksIterator()

createSyncOverflowRocksIterator

public org.rocksdb.RocksIterator createSyncOverflowRocksIterator()

createAdminRocksIterator

public org.rocksdb.RocksIterator createAdminRocksIterator()

getServicesMonitors

public ServiceMonitors[] getServicesMonitors()

Description copied from interface: ServiceMonitorsProvider

Retruns one or more service details that the service exposes.

Specified by:

getServicesMonitors in interface ServiceMonitorsProvider

getServicesDetails

public ServiceDetails[] getServicesDetails()

Description copied from interface: ServiceDetailsProvider

Retruns one or more service details that the service exposes.

Specified by:

getServicesDetails in interface ServiceDetailsProvider

getDBOptions

protected XAPDBOptions getDBOptions()

getDataColumnFamilyOptions

protected XAPColumnFamilyOptions getDataColumnFamilyOptions()

getMappingDir

protected String getMappingDir()

isCentralStorage

protected boolean isCentralStorage()