com.j_spaces.core.cache.offHeap

Class BlobStoreExtendedStorageHandler

java.lang.Object

com.gigaspaces.server.blobstore.BlobStoreStorageHandler

com.j_spaces.core.cache.offHeap.BlobStoreExtendedStorageHandler

Direct Known Subclasses:

BlobStoreOperationsWrapper

public abstract class BlobStoreExtendedStorageHandler
extends BlobStoreStorageHandler

provide an extention to the BlobStoreStorageHandler

Since:

10.1

Author:

yechiel

Constructor Summary

Constructors

Constructor and Description
BlobStoreExtendedStorageHandler()

Method Summary

Modifier and Type	Method and Description
abstract Serializable	get(Serializable id, Object position, BlobStoreObjectType objectType, boolean indexesPartOnly) Returns the data to which the specified id is mapped,
abstract ExecutorService	getPreFetchPool() get the preFetchThread pool
abstract void	removeIfExists(Serializable id, Object position, BlobStoreObjectType objectType) Removes the id (and its corresponding data) from this FDF.

Methods inherited from class com.gigaspaces.server.blobstore.BlobStoreStorageHandler

add, close, executeBulk, get, getProperties, initialize, iterator, remove, replace

Methods inherited from class java.lang.Object

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

Constructor Detail

BlobStoreExtendedStorageHandler

public BlobStoreExtendedStorageHandler()

Method Detail

getPreFetchPool

public abstract ExecutorService getPreFetchPool()

get the preFetchThread pool

get

public abstract Serializable get(Serializable id,
                                 Object position,
                                 BlobStoreObjectType objectType,
                                 boolean indexesPartOnly)

Returns the data to which the specified id is mapped,

Parameters:

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

position - an 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

indexesPartOnly - if true only the indexed fields are returned

Returns:

the data to which the specified id is mapped,

Throws:

BlobStoreException - if the specified id does not exist.

removeIfExists

public abstract void removeIfExists(Serializable id,
                                    Object position,
                                    BlobStoreObjectType objectType)

Removes the id (and its corresponding data) from this FDF. return false if no such object exists

Parameters:

id - the key that needs to be removed

position - an 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

Throws:

BlobStoreException - if the id does not exist.