Tango::DbClass Class Reference

A database object for a class which can be used to query or modify class properties. More...

#include "tango.h"

Public Member Functions
Constructors
	DbClass (string class_name)
	Create a DbClass instance. More...
	DbClass (string class_name, Database *db)
	Create a DbClass instance using a specified database. More...

Property oriented methods
void	get_property (DbData &db)
	Get class property from database. More...
void	put_property (DbData &db)
	Update class property in database. More...
void	delete_property (DbData &db)
	Remove class property from database. More...
void	get_attribute_property (DbData &db)
	Get class attribute property from database. More...
void	put_attribute_property (DbData &db)
	Update class attribute property in database. More...
void	delete_attribute_property (DbData &db)
	Remove class attribute property from database. More...
void	get_pipe_property (DbData &db)
	Get class pipe property from database. More...
void	put_pipe_property (DbData &db)
	Update class pipe property in database. More...
void	delete_pipe_property (DbData &db)
	Remove class pipe property from database. More...

Detailed Description

A database object for a class which can be used to query or modify class properties.

Constructor & Destructor Documentation

DbClass() [1/2]

Tango::DbClass::DbClass

(

string

class_name

)

Create a DbClass instance.

A constructor for a DbClass object for a class in the TANGO database specified by the TANGO_HOST environment variable

Parameters

[in]

class_name

The Tango class name

DbClass() [2/2]

Tango::DbClass::DbClass	(	string	class_name,
		Database *	db
	)

Create a DbClass instance using a specified database.

A constructor for a DbClass object for the Tango class in the specified database. This method reuses the Database supplied by the programmer.

Parameters

[in]	class_name	The Tango class name
[in]	db	The database object

Member Function Documentation

delete_attribute_property()

void Tango::DbClass::delete_attribute_property

(

DbData &

db

)

Remove class attribute property from database.

Delete all properties for the list of specified attributes for this class in the database. See Database::delete_class_attribute_property() for an example of how to specify the properties.

Parameters

[in]

db

Property name(s)

Exceptions

ConnectionFailed,CommunnicationFailed,DevFailed

from device

delete_pipe_property()

void Tango::DbClass::delete_pipe_property

(

DbData &

db

)

Remove class pipe property from database.

Delete all properties for the list of specified pipes for this class in the database. See Database::delete_class_pipe_property() for an example of how to specify the properties.

Parameters

[in]

db

Property name(s)

Exceptions

ConnectionFailed,CommunnicationFailed,DevFailed

from device

delete_property()

void Tango::DbClass::delete_property

(

DbData &

db

)

Remove class property from database.

Delete the list of specified properties for this class in the database. See Database::delete_property() for an example of how to specify the properties.

Parameters

[in]

db

Property name(s)

Exceptions

ConnectionFailed,CommunnicationFailed,DevFailed

from device

get_attribute_property()

void Tango::DbClass::get_attribute_property

(

DbData &

db

)

Get class attribute property from database.

Query the database for the list of attribute properties of this class. See Database::get_class_attribute_property() for an example of how to specify and retrieve the properties.

Parameters

[in,out]

db

Property name(s) and value

Exceptions

ConnectionFailed,CommunnicationFailed,DevFailed

from device

get_pipe_property()

void Tango::DbClass::get_pipe_property

(

DbData &

db

)

Get class pipe property from database.

Query the database for the list of pipe properties of this class. See Database::get_class_pipe_property() for an example of how to specify and retrieve the properties.

Parameters

[in,out]

db

Property name(s) and value

Exceptions

ConnectionFailed,CommunnicationFailed,DevFailed

from device

get_property()

void Tango::DbClass::get_property

(

DbData &

db

)

Get class property from database.

Query the database for the list of properties of this class. See Database::get_class_property() for an example of how to specify and retrieve the properties.

Parameters

[in,out]

db

Property name(s) and value

Exceptions

ConnectionFailed,CommunnicationFailed,DevFailed

from device

put_attribute_property()

void Tango::DbClass::put_attribute_property

(

DbData &

db

)

Update class attribute property in database.

Update the list of attribute properties for this class in the database. See Database::put_class_attribute_property() for an example of how to specify the properties.

Parameters

[in]

db

Property name(s) and value

Exceptions

ConnectionFailed,CommunnicationFailed,DevFailed

from device

put_pipe_property()

void Tango::DbClass::put_pipe_property

(

DbData &

db

)

Update class pipe property in database.

Update the list of pipe properties for this class in the database. See Database::put_class_pipe_property() for an example of how to specify the properties.

Parameters

[in]

db

Property name(s) and value

Exceptions

ConnectionFailed,CommunnicationFailed,DevFailed

from device

put_property()

void Tango::DbClass::put_property

(

DbData &

db

)

Update class property in database.

Update the list of properties for this class in the database. See Database::put_class_property() for an example of how to specify the properties.

Parameters

[in]

db

Property name(s) and value

Exceptions

ConnectionFailed,CommunnicationFailed,DevFailed

from device

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The documentation for this class was generated from the following file:

• dbapi.h