CuGetTDbPropActivity Class Reference

an activity to get properties from the Tango database More...

#include <cugettdbpropactivity.h>

Inheritance diagram for CuGetTDbPropActivity:

Public Types
enum	Type { CuGetTDbPropA_Type = CuActivity::UserAType + 22 }

Public Member Functions
	CuGetTDbPropActivity (const std::vector< CuData > &in_data)
	the class constructor, that accepts a list of CuData defining the properties the client wants to fetch from the Tango database More...
virtual	~CuGetTDbPropActivity ()
	the class destructor More...
void	event (CuActivityEvent *e)
	Receive events from the main thread to the CuActivity thread. More...
bool	matches (const CuData &token) const
	returns true if the passed token is the same as this activity's token More...
int	getType () const
int	repeat () const

Protected Member Functions
void	init ()
	implements the CuActivity::init method More...
void	execute ()
	get Tango database properties and post the result on the main thread. More...
void	onExit ()
	implements the onExit method from CuActivity More...

Detailed Description

an activity to get properties from the Tango database

This activity implements CuIsolatedActivity to fetch Tango properties from the database. It's designed to be executed once (CuIsolatedActivity).

Member Enumeration Documentation

Type

enum CuGetTDbPropActivity::Type

Enumerator
CuGetTDbPropA_Type

Constructor & Destructor Documentation

CuGetTDbPropActivity()

CuGetTDbPropActivity::CuGetTDbPropActivity

(

const std::vector< CuData > &

in_data

)

the class constructor, that accepts a list of CuData defining the properties the client wants to fetch from the Tango database

Parameters

in_data

a std::list of CuData describing the names and the types of properties that have to be read from the database.

activity flags

The activity sets to true the following two flags: CuActivity::CuAUnregisterAfterExec and CuActivity::CuADeleteOnExit to automatically get rid of the activity once its task is accomplished.

~CuGetTDbPropActivity()

CuGetTDbPropActivity::~CuGetTDbPropActivity ( )

virtual

the class destructor

class destructor

Member Function Documentation

event()

void CuGetTDbPropActivity::event

(

CuActivityEvent *

e

)

Receive events from the main thread to the CuActivity thread.

Parameters

e	the event. Do not delete e after use. Cumbia will delete it after this method invocation.

See also

CuActivity::event

Note

the body of this function is void

execute()

void CuGetTDbPropActivity::execute ( )

protected

get Tango database properties and post the result on the main thread.

Implements the CuActivity::execute hook

Property fetch is delegated to CuTangoWorld::get_properties publishResult delivers data to the main thread.

References CuTangoWorld::get_properties().

getType()

int CuGetTDbPropActivity::getType

(

)

const

References CuGetTDbPropA_Type.

init()

void CuGetTDbPropActivity::init ( )

protected

implements the CuActivity::init method

Note

The body of this function is empty.

Database property access is set up and executed within the CuGetTDbPropActivity::execute method.

matches()

bool CuGetTDbPropActivity::matches

(

const CuData &

token

)

const

returns true if the passed token is the same as this activity's token

Parameters

token

a CuData containg key/value pairs of another activity's token

Returns

true if the input token is exactly the same as this activity's token

onExit()

void CuGetTDbPropActivity::onExit ( )

protected

implements the onExit method from CuActivity

Note

this method is currently empty. See CuGetTDbPropActivity::execute

repeat()

int CuGetTDbPropActivity::repeat

(

)

const

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

• cugettdbpropactivity.h
• cugettdbpropactivity.cpp