use Kaliop\eZMigrationBundle\API\MatcherInterface;
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abstract class AbstractMatcher implements MatcherInterface
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{
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/** @var string[] $allowedConditions the keywords we allow to be used for matching on*/
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protected $allowedConditions = array();
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/** @var string $returns user-readable name of the type of object returned */
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protected $returns;
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/** @var int $maxConditions the maximum number of conditions we allow to match on for a single match request */
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protected $maxConditions = 1;
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protected function validateConditions(array $conditions)
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{
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if (count($conditions) == 0) {
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throw new \Exception($this->returns . ' can not be matched because the matching conditions are empty');
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}
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if (count($conditions) > $this->maxConditions) {
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throw new \Exception($this->returns . " can not be matched because multiple matching conditions are specified. Only {this->maxConditions} condition(s) are supported");
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}
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foreach ($conditions as $key => $value) {
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if (!in_array((string)$key, $this->allowedConditions)) {
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throw new \Exception($this->returns . " can not be matched because matching condition '$key' is not supported. Supported conditions are: " .
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implode(', ', $this->allowedConditions));
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}
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}
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}
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public function matchOne(array $conditions)
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{
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$results = $this->match($conditions);
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$count = count($results);
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if ($count !== 1) {
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throw new \Exception("Found $count " . $this->returns . " when expected exactly only one to match the conditions");
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}
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return reset($results);
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}
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abstract public function match(array $conditions);
kaliop-uk /
ezmigrationbundle
