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« SPARQL Protocol and RDF Query Language/Travail pratique/Faire un serveur SPARQL » : différence entre les versions

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=== Tests ===
 
<source lang="bash">
cd ~/projets
mkdir test4store
cd test4store
vim query.php
</source>
 
<source lang="php">
<?php
 
require_once('php4store/Endpoint.php');
 
$graph = "http://www.bordercloud.com";
$endpoint ="http://localhost:8080/sparql/";
 
// WRITE ******************************************
 
//put argument false to write
$readonly = false;
$sp_write = new Endpoint('http://localhost:8080/',$readonly);
 
echo "\nInsert :";
$q = "
PREFIX a: <http://example.com/test/a/>
PREFIX b: <http://example.com/test/b/>
INSERT DATA {
GRAPH <".$graph."> {
a:A b:Name \"Test1\" .
a:A b:Name \"Test2\" .
a:A b:Name \"Test3\" .
}}";
 
$res = $sp_write->query($q,'raw');
 
//Search errors
$err = $sp_write->getErrors();
if ($err) {
print_r($err);
throw new Exception(print_r($err,true));
}
 
//print result
var_dump($res);
 
// DELETE ******************************************
 
echo "\nDelete :";
$q = "
PREFIX a: <http://example.com/test/a/>
PREFIX b: <http://example.com/test/b/>
DELETE DATA {
GRAPH <".$graph."> {
a:A b:Name \"Test2\" .
}}";
 
$res = $sp_write->query($q,'raw');
$err = $sp_write->getErrors();
if ($err) {
print_r($err);
throw new Exception(print_r($err,true));
}
var_dump($res);
 
// READ ONLY ******************************************
 
//put argument false to write
$readonly = true;
$sp_readonly = new Endpoint('http://localhost:8080/',$readonly);
 
echo "\nPrint :";
 
$q = "select * where { GRAPH <".$graph."> {?x ?y ?z.}} ";
 
$rows = $sp_readonly->query($q, 'rows');
 
$err = $sp_readonly->getErrors();
if ($err) {
print_r($err);
throw new Exception(print_r($err,true));
}
var_dump($rows);
 
echo "\nASK :";
$q = "PREFIX a: <http://example.com/test/a/>
PREFIX b: <http://example.com/test/b/>
ask where { GRAPH <".$graph."> {a:A b:Name \"Test3\" .}} ";
 
$res = $sp_readonly->query($q, 'raw');
 
$err = $sp_readonly->getErrors();
if ($err) {
print_r($err);
throw new Exception(print_r($err,true));
}
var_dump($res);
</source>
 
<source lang="bash">
php query.php
</source>
 
<source lang="text">
ASK :bool(true)
</source>
 
<source lang="bash">
tail /var/log/4store/query-test.log
</source>
 
[[Catégorie:SPARQL Protocol and RDF Query Language]]
Récupérée de « https://fr.wikiversity.org/wiki/SPARQL_Protocol_and_RDF_Query_Language/Travail_pratique/Faire_un_serveur_SPARQL »