/**
* Constructor.
*
* @param string $query SPARQL query string to initialize this instance.
* @throws \Exception If no where part was found in query.
* @throws \Exception If given query is not suitable for UpdateQuery.
* @throws \Exception If no triple part after INSERT DATA found.
* @throws \Exception If no triple part after DELETE DATA found.
* @throws \Exception If no valid WITH <> DELETE {...} WHERE { ...} query given.
* @throws \Exception If no valid WITH <> DELETE {...} INSERT { ... } WHERE { ...} query given.
* @throws \Exception If there is either no triple part after INSERT INTO GRAPH or no graph set.
*/
public function __construct($query = '')
{
parent::__construct($query);
if (null == $this->query) {
return;
}
$subType = $this->getSubType();
if (null !== $subType) {
/**
* Save parts for INSERT DATA
*/
if ('insertData' === $subType) {
preg_match('/INSERT\\s+DATA\\s+\\{(.*)\\}/si', $query, $matches);
if (false === isset($matches[1])) {
throw new \Exception('No triple part after INSERT DATA found.');
}
/**
* Save parts for INSERT INTO GRAPH <> {} or INSERT INTO <> {}
*/
} elseif ('insertInto' === $subType) {
preg_match('/INSERT\\s+INTO\\s+[GRAPH]{0,}\\s*\\<(.*)\\>\\s*\\{(.*)\\}/si', $query, $matches);
if (false === isset($matches[1]) || false === isset($matches[2])) {
throw new \Exception('There is either no triple part after INSERT INTO GRAPH or no graph set.');
}
/**
* Save parts for DELETE DATA {}
*/
} elseif ('deleteData' === $subType) {
preg_match('/DELETE\\s+DATA\\s*\\{(.*)\\}/si', $query, $matches);
if (false === isset($matches[1])) {
throw new \Exception('No triple part after DELETE DATA found.');
}
/**
* Save parts for WITH <> DELETE {} WHERE {}
*/
} elseif ('withDeleteWhere' === $subType) {
preg_match('/WITH\\s*\\<(.*)\\>\\s*DELETE\\s*\\{(.*)\\}\\s*WHERE\\s*\\{(.*)\\}/si', $query, $matches);
if (false === isset($matches[1])) {
throw new \Exception('No valid WITH <> DELETE {...} WHERE { ...} query given.');
}
/**
* Save parts for WITH <> DELETE {} INSERT {} WHERE {}
*/
} elseif ('withDeleteWhere' === $subType) {
preg_match('/WITH\\s*\\<(.*)\\>\\s*DELETE\\s*\\{(.*)\\}\\s*INSERT\\s*\\{(.*)\\}\\s*WHERE\\s*\\{(.*)\\}/si', $query, $matches);
if (false === isset($matches[1])) {
throw new \Exception('No valid WITH <> DELETE {...} INSERT { ... } WHERE { ...} query given.');
}
}
} else {
throw new \Exception('Given query is not suitable for UpdateQuery: ' . $query);
}
}
/**
* Constructor.
*
* @param string optional $query SPARQL query string to initialize this instance.
*/
public function __construct($query = '')
{
parent::__construct($query);
if (null !== $this->query) {
/*
* Set where part
*/
$result = preg_match('/\\{(.*)\\}/s', $query, $match);
if (false !== $result && true === isset($match[1])) {
$this->queryParts['where'] = trim($match[1]);
}
}
}
