qtype_calculated_dataset_loader Class Reference

Inheritance diagram for qtype_calculated_dataset_loader:

Public Member Functions
	__construct ($questionid)
	get_number_of_items ()
	get_values ($itemnumber)
	datasets_are_synchronised ($category)
Protected Member Functions
	load_values ($itemnumber)
Protected Attributes
	$questionid
	$itemsavailable = null

---

Detailed Description

This class is responsible for loading the dataset that a question needs from the database.

Copyright:

2011 The Open University http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Definition at line 162 of file question.php.

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Constructor & Destructor Documentation

__construct

(

$

questionid

)

Constructor

Parameters:

int

$questionid

the question to load datasets for.

Definition at line 173 of file question.php.

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Member Function Documentation

datasets_are_synchronised

(

$

category

)

Reimplemented in qtype_calculated_test_dataset_loader.

Definition at line 233 of file question.php.

get_number_of_items

(

)

Get the number of items (different values) in each dataset used by this question. This is the minimum number of items in any dataset used by this question.

Returns:

int the number of items available.

Reimplemented in qtype_calculated_test_dataset_loader.

Definition at line 183 of file question.php.

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get_values

(

$

itemnumber

)

Load a particular set of values for each dataset used by this question.

Parameters:

int

$itemnumber

which set of values to load. 0 < $itemnumber <= get_number_of_items().

Returns:

array name => value.

Definition at line 222 of file question.php.

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load_values

(

$

itemnumber

)

[protected]

Actually query the database for the values.

Parameters:

int

$itemnumber

which set of values to load.

Returns:

array name => value;

Reimplemented in qtype_calculated_test_dataset_loader.

Definition at line 203 of file question.php.

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Field Documentation

$itemsavailable = null [protected]

Definition at line 167 of file question.php.

$questionid [protected]

Definition at line 164 of file question.php.

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

• C:/xampp/htdocs/moodle/question/type/calculated/question.php