org.apache.jackrabbit.core.persistence.mem

Class InMemBundlePersistenceManager.InMemBLOBStore

java.lang.Object

org.apache.jackrabbit.core.persistence.mem.InMemBundlePersistenceManager.InMemBLOBStore

All Implemented Interfaces:

InMemBundlePersistenceManager.CloseableBLOBStore, BLOBStore

Enclosing class:

InMemBundlePersistenceManager

protected class InMemBundlePersistenceManager.InMemBLOBStore
extends Object
implements InMemBundlePersistenceManager.CloseableBLOBStore

Trivial BLOBStore implementation that is backed by a HashMap.

Constructor Summary

Constructors

Constructor and Description
InMemBLOBStore()

Method Summary

Modifier and Type	Method and Description
void	close()
String	createId(PropertyId id, int index) Creates a unique identifier for the BLOB data associated with the given property id and value subscript.
InputStream	get(String blobId) Retrieves the BLOB data with the specified id as a binary stream.
void	put(String blobId, InputStream in, long size) Stores the BLOB data and returns a unique identifier.
boolean	remove(String blobId) Removes the BLOB data with the specified id.

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemBLOBStore

public InMemBLOBStore()

Method Detail

createId

public String createId(PropertyId id,
                       int index)

Creates a unique identifier for the BLOB data associated with the given property id and value subscript.

Specified by:

createId in interface BLOBStore

Parameters:

id - id of the property associated with the BLOB data

index - subscript of the value holding the BLOB data

Returns:

a string identifying the BLOB data

put

public void put(String blobId,
                InputStream in,
                long size)
         throws Exception

Stores the BLOB data and returns a unique identifier.

Specified by:

put in interface BLOBStore

Parameters:

blobId - identifier of the BLOB data as returned by BLOBStore.createId(PropertyId, int)

in - stream containing the BLOB data

size - size of the BLOB data

Throws:

Exception - if an error occured

get

public InputStream get(String blobId)
                throws Exception

Retrieves the BLOB data with the specified id as a binary stream.

Specified by:

get in interface BLOBStore

Parameters:

blobId - identifier of the BLOB data as returned by BLOBStore.createId(PropertyId, int)

Returns:

an input stream that delivers the BLOB data

Throws:

Exception - if an error occured

remove

public boolean remove(String blobId)
               throws Exception

Removes the BLOB data with the specified id.

Specified by:

remove in interface BLOBStore

Parameters:

blobId - identifier of the BLOB data as returned by BLOBStore.createId(PropertyId, int)

Returns:

true if BLOB data with the given id exists and has been successfully removed, false if there's no BLOB data with the given id.

Throws:

Exception - if an error occured

close

public void close()

Specified by:

close in interface InMemBundlePersistenceManager.CloseableBLOBStore