ilAssLacNumericResultExpression Class Reference

Class NumericResultExpression for the expression n#. More...

Inheritance diagram for ilAssLacNumericResultExpression:

Collaboration diagram for ilAssLacNumericResultExpression:

Public Member Functions
	getNumericValue ()
	getValue ()
	Get the value of this Expression. More...
	getDescription ()
	Get a human readable description of the Composite element. More...
	checkResult ($result, $comperator, $index=null)
Public Member Functions inherited from ilAssLacAbstractExpression
	parseValue ($value)
	Parses the delivered Value and sets the relevant information for an Expression as attributes. More...
Public Member Functions inherited from ilAssLacAbstractComposite
	addNode (ilAssLacCompositeInterface $node)
	Adds an ilAssLacCompositeInterface object to the node array which represents the condition tree structure. More...
	describe ()
	Describes a Composite tree Structure as human readable string. More...

Static Public Attributes
static	$pattern = '/#-?[0-9\.]+#/'
static	$identifier = "#n#"

Protected Member Functions
	setMatches ($matches)
	Sets the result of the parsed value by a specific expression pattern. More...
Protected Member Functions inherited from ilAssLacAbstractExpression
	getPattern ()
	Get the Pattern to match relevant informations for an Expression. More...
	setMatches ($matches)
	Sets the result of the parsed value by a specific expression pattern. More...

Protected Attributes
	$numeric_value

Private Member Functions
	compare ($comperator, $value)

Additional Inherited Members
Data Fields inherited from ilAssLacAbstractComposite
	$nodes = array()

Detailed Description

Class NumericResultExpression for the expression n#.

Date: 25.03.13 Time: 16:41

Author

Thomas Joußen tjous.nosp@m.sen@.nosp@m.datab.nosp@m.ay.d.nosp@m.e

Definition at line 13 of file ilAssLacNumericResultExpression.php.

Member Function Documentation

checkResult()

ilAssLacNumericResultExpression::checkResult	(		$result,
			$comperator,
			$index = null
	)

Parameters

ilUserQuestionResult	$result
string	$comperator
null | int	$index

Returns

bool

Implements ilAssLacSolutionExpressionInterface.

Definition at line 85 of file ilAssLacNumericResultExpression.php.

References $index, $result, and compare().

    {
        $isTrue = false;
        if ($index == null) {
            $values = $result->getUserSolutionsByIdentifier("value");

            foreach ($values as $value) {
                $isTrue = $isTrue || $this->compare($comperator, $value);
            }
        } else {
            $solution = $result->getSolutionForKey($index);
            $isTrue = $this->compare($comperator, $solution["value"]);
        }

        return $isTrue;
    }

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compare()

ilAssLacNumericResultExpression::compare (   $comperator,   $value  )

private

Definition at line 102 of file ilAssLacNumericResultExpression.php.

References getNumericValue().

Referenced by checkResult().

    {
        switch ($comperator) {
            case "<":
                return $value < $this->getNumericValue();
                break;
            case "<=":
                return $value <= $this->getNumericValue();
                break;
            case "=":
                return $value == $this->getNumericValue();
                break;
            case ">=":
                return $value >= $this->getNumericValue();
                break;
            case ">":
                return $value > $this->getNumericValue();
                break;
            case "<>":
                return $value != $this->getNumericValue();
                break;
            default:
                return false;
        }
    }

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getDescription()

ilAssLacNumericResultExpression::getDescription

(

)

Get a human readable description of the Composite element.

Returns

string

Implements ilAssLacCompositeInterface.

Definition at line 73 of file ilAssLacNumericResultExpression.php.

    {
        return $this->numeric_value . " beantwortet ";
    }

getNumericValue()

ilAssLacNumericResultExpression::getNumericValue

(

)

Returns

float

Definition at line 55 of file ilAssLacNumericResultExpression.php.

References $numeric_value.

Referenced by compare().

    {
        return $this->numeric_value;
    }

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getValue()

ilAssLacNumericResultExpression::getValue

(

)

Get the value of this Expression.

Returns

string

Implements ilAssLacExpressionInterface.

Definition at line 64 of file ilAssLacNumericResultExpression.php.

    {
        return "#" . $this->numeric_value . "#";
    }

setMatches()

ilAssLacNumericResultExpression::setMatches (   $matches )

protected

Sets the result of the parsed value by a specific expression pattern.

See also

ExpressionInterface::parseValue()

ExpressionInterface::getPattern()

Parameters

array

$matches

Definition at line 47 of file ilAssLacNumericResultExpression.php.

    {
        $this->numeric_value = $matches[0][0];
    }

Field Documentation

$identifier

ilAssLacNumericResultExpression::$identifier = "#n#"

static

Definition at line 31 of file ilAssLacNumericResultExpression.php.

$numeric_value

ilAssLacNumericResultExpression::$numeric_value

protected

Definition at line 38 of file ilAssLacNumericResultExpression.php.

Referenced by getNumericValue().

$pattern

ilAssLacNumericResultExpression::$pattern = '/#-?[0-9\.]+#/'

static

Definition at line 26 of file ilAssLacNumericResultExpression.php.

Referenced by ilAssLacExpressionManufacturer\getPattern(), and ilAssLacExpressionManufacturer\manufacture().

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

• Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacNumericResultExpression.php