org.waarp.openr66.dao.xml

Class XMLTransferDAO

java.lang.Object

org.waarp.openr66.dao.xml.XMLTransferDAO

All Implemented Interfaces:

Cloneable, AbstractDAO<Transfer>, TransferDAO

public class XMLTransferDAO
extends Object
implements TransferDAO

Field Summary

Fields

Modifier and Type	Field and Description
static String	ROOT_ELEMENT
static String	ROOT_LIST
static String	XMLEXTENSION

Constructor Summary

Constructors

Constructor and Description
XMLTransferDAO()

Method Summary

Modifier and Type	Method and Description
static int	clearCache() To enable clear of oldest entries in the cache
void	close()
long	count(List<Filter> fitlers) DAOConnectionException
static void	createLruCache(int limit, long ttl) Create the LRU cache
void	delete(Transfer transfer) Remove the specified object from the persistance layer
void	deleteAll() DAOConnectionException
boolean	exist(long id, String requester, String requested, String owner) Verify if a Transfer object with the specified Special ID exists in the persistance layer
boolean	exist(String id) UnsupportedOperationException
List<Transfer>	find(List<Filter> fitlers) DAOConnectionException
List<Transfer>	find(List<Filter> filters, int limit) DAOConnectionException
List<Transfer>	find(List<Filter> filters, int limit, int offset) DAOConnectionException
List<Transfer>	find(List<Filter> filters, String column, boolean ascend) DAOConnectionException
List<Transfer>	find(List<Filter> filters, String column, boolean ascend, int limit) DAOConnectionException
List<Transfer>	find(List<Filter> filters, String column, boolean ascend, int limit, int offset) DAOConnectionException
List<Transfer>	getAll() Retrieve all objects in a List from the persistance layer
static String	hashStatus()
void	insert(Transfer transfer) Insert the specified object in the persistance layer
static void	removeNoDbSpecialId(long specialId) To allow to remove specifically one SpecialId from MemoryHashmap
Transfer	select(long id, String requester, String requested, String owner) Retrieve the Transfer object with the specified Special ID from the persistance layer
Transfer	select(String id) UnsupportedOperationException
static void	setNoFile(boolean newNoFile)
void	update(List<Filter> filters, String toSet) Update all objects corresponding to the given filters in a List from the persistance layer
void	update(Transfer transfer) Update the specified object in the persistance layer
static void	updateLruCacheTimeout(long ttl) To update the TTL for the cache (to 10xTIMEOUT)
static void	updateUsed(long specialId) To update the usage TTL of the associated object

Methods inherited from class java.lang.Object

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

Field Detail

ROOT_LIST

public static final String ROOT_LIST

See Also:

Constant Field Values

ROOT_ELEMENT

public static final String ROOT_ELEMENT

See Also:

Constant Field Values

XMLEXTENSION

public static final String XMLEXTENSION

See Also:

Constant Field Values

Constructor Detail

XMLTransferDAO

public XMLTransferDAO()

Method Detail

setNoFile

public static void setNoFile(boolean newNoFile)

Parameters:

newNoFile - if True, no file will be created but only on Memory using LruCache

createLruCache

public static void createLruCache(int limit,
                                  long ttl)

Create the LRU cache

Parameters:

limit - limit of number of entries in the cache

ttl - time to leave used

hashStatus

public static String hashStatus()

clearCache

public static int clearCache()

To enable clear of oldest entries in the cache

Returns:

the number of elements removed

updateLruCacheTimeout

public static void updateLruCacheTimeout(long ttl)

To update the TTL for the cache (to 10xTIMEOUT)

Parameters:

ttl -

removeNoDbSpecialId

public static void removeNoDbSpecialId(long specialId)

To allow to remove specifically one SpecialId from MemoryHashmap

Parameters:

specialId -

updateUsed

public static void updateUsed(long specialId)

To update the usage TTL of the associated object

Parameters:

specialId -

close

public void close()

Specified by:

close in interface AbstractDAO<Transfer>

delete

public void delete(Transfer transfer)

Description copied from interface: AbstractDAO

Remove the specified object from the persistance layer

Specified by:

delete in interface AbstractDAO<Transfer>

Parameters:

transfer - object to delete

deleteAll

public void deleteAll()

DAOConnectionException

Specified by:

deleteAll in interface AbstractDAO<Transfer>

getAll

public List<Transfer> getAll()
                      throws DAOConnectionException

Description copied from interface: AbstractDAO

Retrieve all objects in a List from the persistance layer

Specified by:

getAll in interface AbstractDAO<Transfer>

Throws:

DAOConnectionException - If data access error occurs

exist

public boolean exist(long id,
                     String requester,
                     String requested,
                     String owner)

Description copied from interface: TransferDAO

Verify if a Transfer object with the specified Special ID exists in the persistance layer

Specified by:

exist in interface TransferDAO

Parameters:

id - special ID of the Transfer object verified

Returns:

true if a Transfer object with the specified Special ID exist; false if no Transfer object correspond to the specified Special ID.

find

public List<Transfer> find(List<Filter> fitlers)
                    throws DAOConnectionException

DAOConnectionException

Specified by:

find in interface AbstractDAO<Transfer>

Parameters:

fitlers - List of filter

Returns:

never

Throws:

DAOConnectionException - If data access error occurs

count

public long count(List<Filter> fitlers)
           throws DAOConnectionException

DAOConnectionException

Specified by:

count in interface AbstractDAO<Transfer>

Specified by:

count in interface TransferDAO

Parameters:

fitlers - List of filter

Returns:

count only if filters is empty or null

Throws:

DAOConnectionException - If data access error occurs

select

public Transfer select(String id)

UnsupportedOperationException

Specified by:

select in interface AbstractDAO<Transfer>

Parameters:

id - id of the object requested

Returns:

never

exist

public boolean exist(String id)

UnsupportedOperationException

Specified by:

exist in interface AbstractDAO<Transfer>

Parameters:

id - id of the object verified

Returns:

never

find

public List<Transfer> find(List<Filter> filters,
                           int limit)
                    throws DAOConnectionException

DAOConnectionException

Specified by:

find in interface AbstractDAO<Transfer>

Specified by:

find in interface TransferDAO

Parameters:

filters - List of filter

limit - max number of items to get

Returns:

never

Throws:

DAOConnectionException - If data access error occurs

find

public List<Transfer> find(List<Filter> filters,
                           int limit,
                           int offset)
                    throws DAOConnectionException

DAOConnectionException

Specified by:

find in interface TransferDAO

Parameters:

filters - List of filter

Returns:

never

Throws:

DAOConnectionException - If data access error occurs

find

public List<Transfer> find(List<Filter> filters,
                           String column,
                           boolean ascend)
                    throws DAOConnectionException

DAOConnectionException

Specified by:

find in interface AbstractDAO<Transfer>

Specified by:

find in interface TransferDAO

Parameters:

filters - List of filter

column - field to sort on

ascend - True for ascending, False for descending order

Returns:

never

Throws:

DAOConnectionException - If data access error occurs

find

public List<Transfer> find(List<Filter> filters,
                           String column,
                           boolean ascend,
                           int limit)
                    throws DAOConnectionException

DAOConnectionException

Specified by:

find in interface AbstractDAO<Transfer>

Specified by:

find in interface TransferDAO

Parameters:

filters - List of filter

column - field to sort on

ascend - True for ascending, False for descending order

limit - max number of items to get

Returns:

never

Throws:

DAOConnectionException - If data access error occurs

find

public List<Transfer> find(List<Filter> filters,
                           String column,
                           boolean ascend,
                           int limit,
                           int offset)
                    throws DAOConnectionException

DAOConnectionException

Specified by:

find in interface AbstractDAO<Transfer>

Specified by:

find in interface TransferDAO

Parameters:

filters - List of filter

column - field to sort on

ascend - True for ascending, False for descending order

limit - max number of items to get

offset - start for items to get

Returns:

never

Throws:

DAOConnectionException - If data access error occurs

update

public void update(List<Filter> filters,
                   String toSet)
            throws DAOConnectionException

Description copied from interface: AbstractDAO

Update all objects corresponding to the given filters in a List from the persistance layer

Specified by:

update in interface AbstractDAO<Transfer>

Parameters:

filters - List of filter

toSet - field to update as "field1 = value1, field2 = value2, ..."

Throws:

DAOConnectionException - If data access error occurs

insert

public void insert(Transfer transfer)
            throws DAOConnectionException

Description copied from interface: AbstractDAO

Insert the specified object in the persistance layer

Specified by:

insert in interface AbstractDAO<Transfer>

Parameters:

transfer - object to insert

Throws:

DAOConnectionException - If a data access error occurs

select

public Transfer select(long id,
                       String requester,
                       String requested,
                       String owner)
                throws DAOConnectionException,
                       DAONoDataException

Description copied from interface: TransferDAO

Retrieve the Transfer object with the specified Special ID from the persistance layer

Specified by:

select in interface TransferDAO

Parameters:

id - special ID of the Transfer object requested

Throws:

DAOConnectionException - If a data access error occurs

DAONoDataException - if no data are available

update

public void update(Transfer transfer)
            throws DAOConnectionException

Description copied from interface: AbstractDAO

Update the specified object in the persistance layer

Specified by:

update in interface AbstractDAO<Transfer>

Parameters:

transfer - object to update

Throws:

DAOConnectionException - If a data access error occurs