Package org.cyclos.impl.storage

Class DbStoredFileContentManagerImpl

java.lang.Object

org.cyclos.impl.storage.DbStoredFileContentManagerImpl

All Implemented Interfaces:

CustomBean, StoredFileContentManager

public class DbStoredFileContentManagerImpl
extends Object
implements StoredFileContentManager

Implementation using the database to store the contents of the StoredFile entities.
This implementation uses the StoredFile's id as metadata.

Field Summary

Fields inherited from interface org.cyclos.impl.storage.StoredFileContentManager

STORAGE_DIRECTORIES_PROPERTY

Constructor Summary

Constructors

Constructor	Description
DbStoredFileContentManagerImpl()

Method Summary

Modifier and Type	Method	Description
SaveStoredFileContentAction	copy(String storageDirectory, Object sourceMetadata)	Copies the content from the specified source, optionally in a specific directory, and returns the metadata of the copy.
String	getKey(StoredFile storedFile)	Returns a unique key associated to the specified StoredFile (Commonly a String representation of the metadata)
Object	getMetadata(StoredFile storedFile)	Returns the content metadata associated to the specified StoredFile
boolean	isStoredOnDB()	Returns whether files are stored on the database itself
SerializableInputStream	open(Object metadata)	Opens a stream from the specified metadata to read the content from.
StoredFileContentAction	remove(Object metadata)	Removes the specified content.
boolean	requiresPersistentStoredFileToSetMetadata()	Returns whether the StoredFileContentManager.setMetadata(StoredFile, Object) requires the StoredFile to be persisted or not
void	setMetadata(StoredFile storedFile, Object metadata)	Sets the content metadata to the specified StoredFile.
SaveStoredFileContentAction	store(String storageDirectory, SerializableInputStream in)	Stores a new content, optionally in a specific directory, and returns the content's metadata.
boolean	supportStorageDirectories()	Returns true if the underlying implementation support store files in a specific directory other than the default

Methods inherited from class java.lang.Object

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

Constructor Detail

DbStoredFileContentManagerImpl

public DbStoredFileContentManagerImpl()

Method Detail

copy

public SaveStoredFileContentAction copy(String storageDirectory,
                                        Object sourceMetadata)
                                 throws StoredFileException,
                                        EntityNotFoundException

Description copied from interface: StoredFileContentManager

Copies the content from the specified source, optionally in a specific directory, and returns the metadata of the copy.

Specified by:

copy in interface StoredFileContentManager

Throws:

StoredFileException

EntityNotFoundException

getKey

public String getKey(StoredFile storedFile)
              throws StoredFileException

Description copied from interface: StoredFileContentManager

Returns a unique key associated to the specified StoredFile (Commonly a String representation of the metadata)

Specified by:

getKey in interface StoredFileContentManager

Throws:

StoredFileException

getMetadata

public Object getMetadata(StoredFile storedFile)
                   throws StoredFileException

Description copied from interface: StoredFileContentManager

Returns the content metadata associated to the specified StoredFile

Specified by:

getMetadata in interface StoredFileContentManager

Throws:

StoredFileException

isStoredOnDB

public boolean isStoredOnDB()

Description copied from interface: StoredFileContentManager

Returns whether files are stored on the database itself

Specified by:

isStoredOnDB in interface StoredFileContentManager

open

public SerializableInputStream open(Object metadata)

Description copied from interface: StoredFileContentManager

Opens a stream from the specified metadata to read the content from.

Specified by:

open in interface StoredFileContentManager

remove

public StoredFileContentAction remove(Object metadata)

Description copied from interface: StoredFileContentManager

Removes the specified content.

Specified by:

remove in interface StoredFileContentManager

requiresPersistentStoredFileToSetMetadata

public boolean requiresPersistentStoredFileToSetMetadata()

Description copied from interface: StoredFileContentManager

Returns whether the StoredFileContentManager.setMetadata(StoredFile, Object) requires the StoredFile to be persisted or not

Specified by:

requiresPersistentStoredFileToSetMetadata in interface StoredFileContentManager

setMetadata

public void setMetadata(StoredFile storedFile,
                        Object metadata)
                 throws StoredFileException

Description copied from interface: StoredFileContentManager

Sets the content metadata to the specified StoredFile.

Specified by:

setMetadata in interface StoredFileContentManager

Throws:

StoredFileException

store

public SaveStoredFileContentAction store(String storageDirectory,
                                         SerializableInputStream in)

Description copied from interface: StoredFileContentManager

Stores a new content, optionally in a specific directory, and returns the content's metadata.

Specified by:

store in interface StoredFileContentManager

supportStorageDirectories

public boolean supportStorageDirectories()

Description copied from interface: StoredFileContentManager

Returns true if the underlying implementation support store files in a specific directory other than the default

Specified by:

supportStorageDirectories in interface StoredFileContentManager