org.alfresco.bm.driver.file

Class FileDataServiceImpl

java.lang.Object

org.alfresco.bm.driver.file.FileDataServiceImpl

All Implemented Interfaces:

FileDataService, org.springframework.beans.factory.InitializingBean

public class FileDataServiceImpl
extends Object
implements FileDataService, org.springframework.beans.factory.InitializingBean

Concrete service implementation of FileDataService based on MongoDB.

Since:

1.4

Author:

Derek Hulley

Field Summary

Fields

Modifier and Type	Field and Description
static String	FIELD_ENCODING
static String	FIELD_EXTENSION
static String	FIELD_FILESET
static String	FIELD_LOCAL_NAME
static String	FIELD_LOCALE
static String	FIELD_RANDOMIZER
static String	FIELD_REMOTE_NAME
static String	FIELD_SIZE

Constructor Summary

Constructors

Constructor and Description
FileDataServiceImpl(com.mongodb.DB db, String collection)

Method Summary

Modifier and Type	Method and Description
void	afterPropertiesSet()
void	createNewFileData(FileData fileData) Insert new data about a file
long	fileCount(String fileset) Get the number of files in a given fileset
FileData	findFile(String fileset, String remoteName) Find a specific file based on the file name in the remote store
FileData	getRandomFile(String fileset) Get a random file description from a given dataset
FileData	getRandomFile(String fileset, String extension) Get a random file description from a given dataset and with the given file extension
void	removeFile(String fileset, String remoteName) Remove a specific file index based on the file name in the remote store

Methods inherited from class java.lang.Object

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

Field Detail

FIELD_FILESET

public static final String FIELD_FILESET

See Also:

Constant Field Values

FIELD_REMOTE_NAME

public static final String FIELD_REMOTE_NAME

See Also:

Constant Field Values

FIELD_LOCAL_NAME

public static final String FIELD_LOCAL_NAME

See Also:

Constant Field Values

FIELD_EXTENSION

public static final String FIELD_EXTENSION

See Also:

Constant Field Values

FIELD_ENCODING

public static final String FIELD_ENCODING

See Also:

Constant Field Values

FIELD_LOCALE

public static final String FIELD_LOCALE

See Also:

Constant Field Values

FIELD_SIZE

public static final String FIELD_SIZE

See Also:

Constant Field Values

FIELD_RANDOMIZER

public static final String FIELD_RANDOMIZER

See Also:

Constant Field Values

Constructor Detail

FileDataServiceImpl

public FileDataServiceImpl(com.mongodb.DB db,
                           String collection)

Method Detail

afterPropertiesSet

public void afterPropertiesSet()

Specified by:

afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean

createNewFileData

public void createNewFileData(FileData fileData)

Description copied from interface: FileDataService

Insert new data about a file

Specified by:

createNewFileData in interface FileDataService

fileCount

public long fileCount(String fileset)

Description copied from interface: FileDataService

Get the number of files in a given fileset

Specified by:

fileCount in interface FileDataService

findFile

public FileData findFile(String fileset,
                         String remoteName)

Description copied from interface: FileDataService

Find a specific file based on the file name in the remote store

Specified by:

findFile in interface FileDataService

Parameters:

fileset - the name of the fileset

remoteName - the name of the file in the remote store

Returns:

the file data or null if it does not exist

removeFile

public void removeFile(String fileset,
                       String remoteName)

Description copied from interface: FileDataService

Remove a specific file index based on the file name in the remote store

Specified by:

removeFile in interface FileDataService

Parameters:

fileset - the name of the fileset

remoteName - the name of the file in the remote store

getRandomFile

public FileData getRandomFile(String fileset)

Description copied from interface: FileDataService

Get a random file description from a given dataset

Specified by:

getRandomFile in interface FileDataService

Parameters:

fileset - the name of a dataset to choose a file from

Returns:

a file or null if there isn't one

getRandomFile

public FileData getRandomFile(String fileset,
                              String extension)

Description copied from interface: FileDataService

Get a random file description from a given dataset and with the given file extension

Specified by:

getRandomFile in interface FileDataService

Parameters:

fileset - the name of a dataset to choose a file from

extension - the extension e.g. 'txt'

Returns:

a file or null if there isn't one