org.alfresco.jlan.server.filesys.db

Interface DBDataInterface

All Known Implementing Classes:

DerbyDBInterface, MySQLDBInterface, OracleDBInterface, PostgreSQLDBInterface

public interface DBDataInterface

Database Data Interface

The database data interface provides methods for loading/saving file data to database fields.

Author:

gkspencer

Method Summary

Methods

Modifier and Type	Method and Description
void	deleteFileData(int fileId, int streamId) Delete the file data for the specified file/stream
void	deleteJarData(int jarId) Delete the file data for the specified Jar file
DBDataDetails	getFileDataDetails(int fileId, int streamId) Return the file data details for the specified file or stream.
long	getMaximumFragmentSize() Return the maximum data fragment size supported
void	loadFileData(int fileId, int streamId, FileSegment fileSeg) Load file data from the database into a temporary/local file
void	loadJarData(int jarId, FileSegment jarSeg) Load Jar file data from the database into a temporary file
int	saveFileData(int fileId, int streamId, FileSegment fileSeg) Save the file data from the temporary/local file to the database
int	saveJarData(String jarFile, DBDataDetailsList fileList) Save the file data from a Jar file to the database

Method Detail

getFileDataDetails

DBDataDetails getFileDataDetails(int fileId,
                               int streamId)
                                 throws DBException

Return the file data details for the specified file or stream.

Parameters:

fileId -

streamId -

Returns:

DBDataDetails

Throws:

DBException

getMaximumFragmentSize

long getMaximumFragmentSize()

Return the maximum data fragment size supported

Returns:

long

loadFileData

void loadFileData(int fileId,
                int streamId,
                FileSegment fileSeg)
                  throws DBException,
                         IOException

Load file data from the database into a temporary/local file

Parameters:

fileId - int

streamId - int

fileSeg - FileSegment

Throws:

DBException

IOException

loadJarData

void loadJarData(int jarId,
               FileSegment jarSeg)
                 throws DBException,
                        IOException

Load Jar file data from the database into a temporary file

Parameters:

jarId - int

jarSeg - FileSegment

Throws:

DBException

IOException

saveFileData

int saveFileData(int fileId,
               int streamId,
               FileSegment fileSeg)
                 throws DBException,
                        IOException

Save the file data from the temporary/local file to the database

Parameters:

fileId - int

streamId - int

fileSeg - FileSegment

Returns:

int

Throws:

DBException

IOException

saveJarData

int saveJarData(String jarFile,
              DBDataDetailsList fileList)
                throws DBException,
                       IOException

Save the file data from a Jar file to the database

Parameters:

jarFile - String

fileList - DBDataDetailsList

Returns:

int

Throws:

DBException

IOException

deleteFileData

void deleteFileData(int fileId,
                  int streamId)
                    throws DBException,
                           IOException

Delete the file data for the specified file/stream

Parameters:

fileId - int

streamId - int

Throws:

DBException

IOException

deleteJarData

void deleteJarData(int jarId)
                   throws DBException,
                          IOException

Delete the file data for the specified Jar file

Parameters:

jarId - int

Throws:

DBException

IOException