Doctrine\ODM\MongoDB\Tools\DocumentGenerator::generateDocumentConstructor PHP Method

    private function generateDocumentConstructor(ClassMetadataInfo $metadata)
    {
        if ($this->hasMethod('__construct', $metadata)) {
            return '';
        }
        $collections = array();
        foreach ($metadata->fieldMappings as $mapping) {
            if ($mapping['type'] === ClassMetadataInfo::MANY) {
                $collections[] = '$this->' . $mapping['fieldName'] . ' = new \\Doctrine\\Common\\Collections\\ArrayCollection();';
            }
        }
        if ($collections) {
            return $this->prefixCodeWithSpaces(str_replace('<collections>', $this->spaces . implode("\n" . $this->spaces, $collections), self::$constructorMethodTemplate));
        }
        return '';
    }