| 1 | <?php
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| 2 | // Survey database interface class as intermediate for storing data from the site to the RDF database
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| 3 | require_once 'rdfConstants.php';
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| 4 | // Include RAP Library to write RDF files
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| 5 | include(RDFAPI_INCLUDE_DIR . "RDFAPI.php");
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| 6 |
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| 7 | /**
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| 8 | * Connector
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| 9 | *
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| 10 | * @author jkraaijeveld
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| 11 | */
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| 12 |
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| 13 | abstract class Connector implements IConnector
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| 14 | {
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| 15 | protected $model;
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| 16 | protected $fileName;
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| 17 |
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| 18 | /**
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| 19 | * function load()
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| 20 | * Loads the file into the standard MemModel
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| 21 | */
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| 22 | public function load()
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| 23 | {
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| 24 | $this->model = ModelFactory::getDefaultModel();
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| 25 | if(file_exists($this->fileName))
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| 26 | $this->model->load($this->fileName);
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| 27 | }
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| 28 |
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| 29 | /**
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| 30 | * function save()
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| 31 | * Saves the MemModel into the given file.
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| 32 | */
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| 33 | public function save()
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| 34 | {
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| 35 | $this->model->saveAs($this->fileName, 'rdf');
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| 36 | }
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| 37 |
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| 38 | /**
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| 39 | * function createArguments()
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| 40 | * @param type $arguments
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| 41 | * Creates the arguments to be used in the query based on the
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| 42 | * arguments specified in the incoming array.
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| 43 | */
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| 44 | public function createArguments($arguments)
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| 45 | {
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| 46 | $argumentString = "";
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| 47 | foreach(array_keys($arguments) as $key)
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| 48 | {
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| 49 | $addition = "";
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| 50 | switch($key)
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| 51 | {
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| 52 | case "uid" : $addition = "predicates:uid '" . $arguments[$key] . "'\n"; break;
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| 53 | case "question" : $addition = "predicates:question_code '" . $arguments[$key] . "'\n"; break;
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| 54 | case "values": foreach($arguments[$key] as $value) { $addition = $addition . "predicates:answered '" . $value . "'\n"; } break;
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| 55 | case "survey" : $addition = "predicates:for_survey '" . $arguments[$key] . "'\n"; break;
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| 56 | case "respondent" : $addition = "predicates:by_respondent '" . $arguments[$key] . "'\n"; break;
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| 57 | case "answers" : foreach($arguments[$key] as $answer) { $addition = $addition . "predicates:given_answer '" . $answer . "'\n"; } break;
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| 58 | case "title" : $addition = "predicates:title '" . $arguments[$key] . "'\n"; break;
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| 59 | case "description" : $addition = "predicates:description '" . $arguments[$key] . "'\n"; break;
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| 60 | case "style" : $addition = "predicates:style '" . $arguments[$key] . "'\n"; break;
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| 61 | case "code" : $addition = "predicates:question_code '" . $arguments[$key] . "'\n";break;
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| 62 | case "type" : $addition = "predicates:question_type '" . $arguments[$key] . "'\n"; break;
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| 63 | case "category" : $addition = "predicates:question_category '" . $arguments[$key] . "'\n";
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| 64 | case "definedanswers" : foreach($arguments[$key] as $answer) { $addition = $addition . "predicates:has_answer '" . $answer . "'\n"; } break;
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| 65 | case "name" : $addition = "predicates:name '" . $arguments[$key] . "'\n"; break;
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| 66 | case "password" : $addition = "predicates:password '" . $arguments[$key] . "'\n"; break;
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| 67 | case "creator" : $addition = "predicates:creator '" . $arguments[$key] . "'\n"; break;
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| 68 | case "datetime" : $addition = "predicates:datetime '" . $arguments[$key] . "'\n"; break;
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| 69 | case "applications" : foreach($arguments[$key] as $application) { $addition = $addition . "predicates:has_application '" . $application . "'\n"; } break;
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| 70 |
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| 71 | case "surveys" : foreach($arguments[$key] as $survey) { $addition = $addition . "predicates:has_survey '" . $survey . "'\n"; } break;
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| 72 | case "answersets" : foreach($arguments[$key] as $answerset) { $addition = $addition . "predicates:has_answerset '" . $answerset . "'\n"; } break;
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| 73 | case "questions" : foreach($arguments[$key] as $question) { $addition = $addition . "predicates:has_question '" . $question . "'\n"; } break;
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| 74 |
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| 75 | }
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| 76 | $argumentString = $argumentString . $addition;
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| 77 | }
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| 78 | return $argumentString;
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| 79 | }
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| 80 | }
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| 81 |
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| 82 |
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| 83 |
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| 84 | ?>
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| 85 |
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