org.eclipse.smila.binarystorage.persistence
Class BinaryPersistence

java.lang.Object
  org.eclipse.smila.binarystorage.persistence.BinaryPersistence

Direct Known Subclasses:

EFSBinaryPersistence, IOBinaryPersistence, JPABinaryPersistence, NilBinaryPersistenceImpl

public abstract class BinaryPersistence
extends java.lang.Object

Abstract binary persistence class. This class shall be extended by all concrete binary storage implementation classes.

Author:

mcimpean

Constructor Summary

BinaryPersistence()

Method Summary

abstract void	cleanup() Release resources and performs cleanup actions.
abstract void	deleteBinary(java.lang.String key) Delete binary data by key from binary storage.
abstract long	fetchSize(java.lang.String key) Fetch record size.
abstract byte[]	loadBinaryAsByteArray(java.lang.String key) Fetch binary data by key from binary storage.
abstract java.io.InputStream	loadBinaryAsInputStream(java.lang.String key) Fetch binary data by key from binary storage.
abstract void	storeBinary(java.lang.String key, byte[] content) Store binary data in binary storage.
abstract void	storeBinary(java.lang.String key, java.io.InputStream stream) Store binary data in binary storage.

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryPersistence

public BinaryPersistence()

Method Detail

storeBinary

public abstract void storeBinary(java.lang.String key,
                                 java.io.InputStream stream)
                          throws BinaryStorageException

Store binary data in binary storage.

Parameters:

key - String - unique identifier inside of binary storage

stream - InputStream - binary data input stream

Throws:

BinaryStorageException - - in case of any exception occurs

storeBinary

public abstract void storeBinary(java.lang.String key,
                                 byte[] content)
                          throws BinaryStorageException

Store binary data in binary storage.

Parameters:

key - String - unique identifier inside of binary storage

content - byte[] - binary content

Throws:

BinaryStorageException - - in case of any exception occurs

loadBinaryAsByteArray

public abstract byte[] loadBinaryAsByteArray(java.lang.String key)
                                      throws BinaryStorageException

Fetch binary data by key from binary storage.

Parameters:

key - String - unique identifier inside of binary storage

Returns:

byte[] - binary data

Throws:

BinaryStorageException - - in case of any exception occurs

loadBinaryAsInputStream

public abstract java.io.InputStream loadBinaryAsInputStream(java.lang.String key)
                                                     throws BinaryStorageException

Fetch binary data by key from binary storage.

Parameters:

key - String - unique identifier inside of binary storage

Returns:

InputStream - binary input stream

Throws:

BinaryStorageException - - in case of any exception occurs

deleteBinary

public abstract void deleteBinary(java.lang.String key)
                           throws BinaryStorageException

Delete binary data by key from binary storage.

Parameters:

key - String - unique identifier inside of binary storage

Throws:

BinaryStorageException - - in case of any exception occurs

fetchSize

public abstract long fetchSize(java.lang.String key)
                        throws BinaryStorageException

Fetch record size.

Parameters:

key - String - unique identifier inside of binary storage

Returns:

long - size of record

Throws:

BinaryStorageException - - in case of any exception occurs

cleanup

public abstract void cleanup()
                      throws BinaryStorageException

Release resources and performs cleanup actions.

Throws:

BinaryStorageException - in case of any exception