graph_data_algorithms_1_0_0 Class Reference

Public Member Functions
	__construct ()
	get_abscissa_range ($UserId, $GraphType)
	get_data_for_range ($UserId, $GraphType, $AbscissaFrom, $AbscissaTo)
	get_abscissa_for_ordinatus ($DataX, $DataY, $Ordinatus)

Data Fields
	$GraphDataAccess = false
	$Security = false
	$SecurityParser = false

Detailed Description

Class provides records access routine.

Author

Dodonov A.A.

Definition at line 26 of file graph_data_algorithms.php.

Constructor & Destructor Documentation

__construct

(

)

Constructor.

Author

Dodonov A.A.

Definition at line 52 of file graph_data_algorithms.php.

            {
                  try
                  {
                        $this->GraphDataAccess = get_package( 'graph::graph_data::graph_data_access' , 'last' , __FILE__ );
                        $this->Security = get_package( 'security' , 'last' , __FILE__ );
                        $this->SecurityParser = get_package( 'security::security_parser' , 'last' , __FILE__ );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

Member Function Documentation

get_abscissa_for_ordinatus	(		$DataX,
			$DataY,
			$Ordinatus
	)

Getting data.

Parameters

$DataX	- Absciss values.
$DataY	- Ordinatus values.
$Ordinatus	- Ordinatus value.

Returns

Data.

Exceptions

Exception

An exception of this type is thrown.

Author

Dodonov A.A.

Definition at line 205 of file graph_data_algorithms.php.

            {
                  try
                  {
                        foreach( $DataY as $i => $Y )
                        {
                              if( $Y == $Ordinatus )
                              {
                                    return( $DataX[ $i ] );
                              }
                        }
                        
                        throw( new Exception( 'Abscissa was not found' ) );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

get_abscissa_range	(		$UserId,
			$GraphType
	)

Getting range.

Parameters

$UserId	- User id.
$GraphType	- Graph type.

Returns

Abscissa range.

Exceptions

Exception

An exception of this type is thrown.

Author

Dodonov A.A.

Definition at line 92 of file graph_data_algorithms.php.

            {
                  try
                  {
                        $UserId = $this->Security->get( $UserId , 'integer' );
                        $GraphType = $this->Security->get( $GraphType , 'integer' );

                        $Records = $this->GraphDataAccess->unsafe_select( 
                              "author = $UserId AND graph_type = $GraphType" , 
                              "MIN( abscissa ) AS `from` , MAX( abscissa ) AS `to`"
                        );

                        if( isset( $Records[ 0 ] ) === false || get_field( $Records[ 0 ] , 'from' ) == null )
                        {
                              return( false );
                        }

                        return(
                              array( 'from' => get_field( $Records[ 0 ] , 'from' ) , 'to' => get_field( $Records[ 0 ] , 'to' ) )
                        );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

get_data_for_range	(		$UserId,
			$GraphType,
			$AbscissaFrom,
			$AbscissaTo
	)

Getting range.

Parameters

$UserId	- User id.
$GraphType	- Graph type.
$AbscissaFrom	- Range start.
$AbscissaTo	- Range end.

Returns

Data range.

Exceptions

Exception

An exception of this type is thrown.

Author

Dodonov A.A.

Definition at line 153 of file graph_data_algorithms.php.

            {
                  try
                  {
                        $UserId = $this->Security->get( $UserId , 'integer' );
                        $GraphType = $this->Security->get( $GraphType , 'integer' );
                        $AbscissaFrom = $this->Security->get( $AbscissaFrom , 'integer' );
                        $AbscissaTo = $this->Security->get( $AbscissaTo , 'integer' );

                        $Records = $this->GraphDataAccess->unsafe_select( 
                              "author = $UserId AND graph_type = $GraphType ".
                              "AND abscissa >= $AbscissaFrom AND abscissa <= $AbscissaTo ORDER BY abscissa ASC"
                        );

                        return( $Records );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

Field Documentation

$GraphDataAccess = false

Cached objects.

Author

Dodonov A.A.

Definition at line 38 of file graph_data_algorithms.php.

$Security = false

Definition at line 39 of file graph_data_algorithms.php.

$SecurityParser = false

Definition at line 40 of file graph_data_algorithms.php.

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

• packages/graph/packages/graph_data/packages/graph_data_algorithms/graph_data_algorithms.php