ILIAS  trunk Revision v5.2.0beta1-34115-g3a2438be29
ilAssLacNumericResultExpression Class Reference

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V. More...

+ Inheritance diagram for ilAssLacNumericResultExpression:
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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

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V.

ILIAS is licensed with the GPL-3.0, see https://www.gnu.org/licenses/gpl-3.0.en.html You should have received a copy of said license along with the source code, too.

If this is not the case or you just want to try ILIAS, you'll find us at: https://www.ilias.de https://github.com/ILIAS-eLearning 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 26 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 98 of file ilAssLacNumericResultExpression.php.

References compare().

98  : bool
99  {
100  $isTrue = false;
101  if ($index == null) {
102  $values = $result->getUserSolutionsByIdentifier("value");
103 
104  foreach ($values as $value) {
105  $isTrue = $isTrue || $this->compare($comperator, $value);
106  }
107  } else {
108  $solution = $result->getSolutionForKey($index);
109  if($solution !== null) {
110  $isTrue = $this->compare($comperator, $solution["value"]);
111  }
112  }
113 
114  return $isTrue;
115  }
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◆ compare()

ilAssLacNumericResultExpression::compare (   $comperator,
  $value 
)
private

Definition at line 117 of file ilAssLacNumericResultExpression.php.

References getNumericValue().

Referenced by checkResult().

117  : bool
118  {
119  switch ($comperator) {
120  case "<":
121  return $value < $this->getNumericValue();
122  break;
123  case "<=":
124  return $value <= $this->getNumericValue();
125  break;
126  case "=":
127  return $value == $this->getNumericValue();
128  break;
129  case ">=":
130  return $value >= $this->getNumericValue();
131  break;
132  case ">":
133  return $value > $this->getNumericValue();
134  break;
135  case "<>":
136  return $value != $this->getNumericValue();
137  break;
138  default:
139  return false;
140  }
141  }
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◆ getDescription()

ilAssLacNumericResultExpression::getDescription ( )

Get a human readable description of the Composite element.

Returns
string

Implements ilAssLacCompositeInterface.

Definition at line 86 of file ilAssLacNumericResultExpression.php.

86  : string
87  {
88  return $this->numeric_value . " beantwortet ";
89  }

◆ getNumericValue()

ilAssLacNumericResultExpression::getNumericValue ( )
Returns
float

Definition at line 68 of file ilAssLacNumericResultExpression.php.

References $numeric_value.

Referenced by compare().

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◆ getValue()

ilAssLacNumericResultExpression::getValue ( )

Get the value of this Expression.

Returns
string

Implements ilAssLacExpressionInterface.

Definition at line 77 of file ilAssLacNumericResultExpression.php.

77  : string
78  {
79  return "#" . $this->numeric_value . "#";
80  }

◆ 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 60 of file ilAssLacNumericResultExpression.php.

60  : void
61  {
62  $this->numeric_value = $matches[0][0];
63  }

Field Documentation

◆ $identifier

ilAssLacNumericResultExpression::$identifier = "#n#"
static

Definition at line 44 of file ilAssLacNumericResultExpression.php.

◆ $numeric_value

ilAssLacNumericResultExpression::$numeric_value
protected

Definition at line 51 of file ilAssLacNumericResultExpression.php.

Referenced by getNumericValue().

◆ $pattern

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

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