dbe::actions::ChangeAttribute< T > Class Template Reference

#include <change_attribute.hpp>

Inheritance diagram for dbe::actions::ChangeAttribute< T >:

Collaboration diagram for dbe::actions::ChangeAttribute< T >:

Public Member Functions
	ChangeAttribute (tref Object, dunedaq::conffwk::attribute_t AttributeData, T NewValueData, QUndoCommand *parent=nullptr)
void	undo ()
void	redo ()
Public Member Functions inherited from dbe::actions::onobject
	onobject (tref obj, QUndoCommand *parent=nullptr, QUuid const &uuid=0)
Public Member Functions inherited from dbe::actions::state
bool	isvalid () const
void	toggle ()
void	failed () const
void	setundoable (bool s=true) const
void	setredoable (bool s=true) const
bool	undoable () const
bool	redoable () const
void	reload () const
QUuid const &	source () const

Private Attributes
T	OldValue
T	NewValue
dunedaq::conffwk::attribute_t	Attribute

Additional Inherited Members
Protected Member Functions inherited from dbe::actions::onobject
tref	checkedref () const
Protected Member Functions inherited from dbe::actions::state
	state (QUndoCommand *parent=nullptr, QUuid const &uuid=0)

Detailed Description

template<typename T>
class dbe::actions::ChangeAttribute< T >

Definition at line 35 of file change_attribute.hpp.

Constructor & Destructor Documentation

ChangeAttribute()

template<typename T >

dbe::actions::ChangeAttribute< T >::ChangeAttribute	(	tref	Object,
		dunedaq::conffwk::attribute_t	AttributeData,
		T	NewValueData,
		QUndoCommand *	parent = nullptr )

Definition at line 50 of file change_attribute.hpp.

  : onobject ( Object, parent ),
    NewValue ( NewValueData ),
    Attribute ( AttributeData )
{
  try
  {
    failed();
    QStringList Data
    { dbe::config::api::get::attribute::list<QStringList> ( this->checkedref(), Attribute ) };
    OldValue = convert::to<T> ( Data, Attribute.p_int_format );
    toggle();
  }
  catch ( dunedaq::conffwk::Exception const & )
  {
  }
  catch ( daq::dbe::config_object_retrieval_result_is_null const & ex )
  {
    FAIL ( "Operation did not complete because a lookup in the underlying database failed",
           ex.what() );
    throw daq::dbe::ObjectChangeWasNotSuccessful ( ERS_HERE, ex );
  }
 
  setText (
    QObject::tr ( "Attribute %1 of object %2 was updated." ).arg (
      AttributeData.p_name.c_str() ).arg ( Object.UID().c_str() ) );
}

Member Function Documentation

redo()

template<typename T >

void dbe::actions::ChangeAttribute< T >::redo

(

)

Definition at line 106 of file change_attribute.hpp.

{
  try
  {
    if ( redoable() )
    {
      failed();
 
      QStringList Data
      { dbe::config::api::get::attribute::list<QStringList> ( this->checkedref(), Attribute ) };
 
      OldValue = convert::to<T> ( Data, Attribute.p_int_format );
 
      dbe::config::api::set::noactions::attribute ( this->checkedref(), Attribute, NewValue );
      toggle();
    }
  }
  catch ( dunedaq::conffwk::Exception const & e )
  {
    failed();
    throw daq::dbe::ObjectChangeWasNotSuccessful ( ERS_HERE, e );
  }
  catch ( daq::dbe::config_object_retrieval_result_is_null const & ex )
  {
    FAIL ( "Operation did not complete because a lookup in the underlying database failed",
           ex.what() );
    throw daq::dbe::ObjectChangeWasNotSuccessful ( ERS_HERE, ex );
  }
 
}

undo()

template<typename T >

void dbe::actions::ChangeAttribute< T >::undo

(

)

Definition at line 80 of file change_attribute.hpp.

{
  try
  {
    if ( undoable() )
    {
      failed();
      dbe::config::api::set::noactions::attribute ( this->checkedref(), Attribute, OldValue );
      toggle();
    }
  }
  catch ( dunedaq::conffwk::Exception const & e )
  {
    failed();
    throw daq::dbe::ObjectChangeWasNotSuccessful ( ERS_HERE, e );
  }
  catch ( daq::dbe::config_object_retrieval_result_is_null const & ex )
  {
    FAIL ( "Operation did not complete because a lookup in the underlying database failed",
           ex.what() );
    throw daq::dbe::ObjectChangeWasNotSuccessful ( ERS_HERE, ex );
  }
 
}

Member Data Documentation

Attribute

template<typename T >

dunedaq::conffwk::attribute_t dbe::actions::ChangeAttribute< T >::Attribute

private

Definition at line 46 of file change_attribute.hpp.

NewValue

template<typename T >

T dbe::actions::ChangeAttribute< T >::NewValue

private

Definition at line 45 of file change_attribute.hpp.

OldValue

template<typename T >

T dbe::actions::ChangeAttribute< T >::OldValue

private

Definition at line 44 of file change_attribute.hpp.

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

• /github/workspace/dunedaq/sourcecode/dbe/include/dbe/change_attribute.hpp