ptdb.kernel.bl.save

Class AttributesManager

java.lang.Object

ptdb.kernel.bl.save.AttributesManager

public class AttributesManager
extends java.lang.Object

Manage the attributes and work as a link between the GUI and the database layer.

Since:

Ptolemy II 10.0

Version:

$Id$

Author:

Yousef Alsaeed, Alek Wang

Pt.AcceptedRating:

Red (yalsaeed)

Pt.ProposedRating:

Red (yalsaeed)

Constructor Summary

Constructors

Constructor and Description
AttributesManager()

Method Summary

Modifier and Type	Method and Description
XMLDBAttribute	createAttribute(XMLDBAttribute attribute) Save a new user defined attribute into the database.
void	deleteAttribute(XMLDBAttribute attribute) Delete an existing attribute from the database.
java.util.List<XMLDBAttribute>	getDBAttributes() Call to the database and retrieve the list attributes stored there.
void	updateAttribute(XMLDBAttribute attribute) Update an existing attribute in the database with the new information.

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributesManager

public AttributesManager()

Method Detail

createAttribute

public XMLDBAttribute createAttribute(XMLDBAttribute attribute)
                               throws DBConnectionException,
                                      DBExecutionException

Save a new user defined attribute into the database.

Parameters:

attribute - The attribute to be saved in the database. It contains the information to be stored for that attribute.

Returns:

The instance of the newly created attribute.

Throws:

DBConnectionException - Thrown from the database layer if the database layer fails to create a connection to the database.

DBExecutionException - Thrown from the database layer if the database layer fails to execute the operations in the database.

deleteAttribute

public void deleteAttribute(XMLDBAttribute attribute)
                     throws DBConnectionException,
                            DBExecutionException

Delete an existing attribute from the database.

Parameters:

attribute - The attribute to be deleted from the database.

Throws:

DBConnectionException - Thrown from the database layer if the database layer fails to create a connection to the database.

DBExecutionException - Thrown from the database layer if the database layer fails to execute the operations in the database.

getDBAttributes

public java.util.List<XMLDBAttribute> getDBAttributes()
                                               throws DBExecutionException,
                                                      DBConnectionException

Call to the database and retrieve the list attributes stored there.

Returns:

The list of attributes stored in the database.

Throws:

DBExecutionException - Thrown if the operation fails.

DBConnectionException - Thrown if the db layer fails to create the connection.

updateAttribute

public void updateAttribute(XMLDBAttribute attribute)
                     throws DBConnectionException,
                            DBExecutionException

Update an existing attribute in the database with the new information.

Parameters:

attribute - The attribute to be updated in the database. It contains the new information to be stored for that attribute.

Throws:

DBConnectionException - Thrown from the database layer if the database layer fails to create a connection to the database.

DBExecutionException - Thrown from the database layer if the database layer fails to execute the operations in the database.