LazyRecord\Schema\SchemaUtils::filterBuildableSchemas PHP Method

    public static function filterBuildableSchemas(array $schemas)
    {
        $list = array();
        foreach ($schemas as $schema) {
            // skip abstract classes.
            if ($schema instanceof DynamicSchemaDeclare || $schema instanceof MixinDeclareSchema || !$schema instanceof SchemaDeclare && !$schema instanceof DeclareSchema) {
                continue;
            }
            $rf = new ReflectionObject($schema);
            if ($rf->isAbstract()) {
                continue;
            }
            $list[] = $schema;
        }
        return $list;
    }

 public function __construct(BaseDriver $driver, PDO $connection)
 {
     $this->driver = $driver;
     $this->connection = $connection;
     $c = ServiceContainer::getInstance();
     $this->config = $c['config_loader'];
     // pre-initialize all schema objects and expand template schema
     $this->schemas = SchemaUtils::findSchemasByConfigLoader($this->config, $c['logger']);
     $this->schemas = SchemaUtils::filterBuildableSchemas($this->schemas);
     // map table names to declare schema objects
     foreach ($this->schemas as $schema) {
         $this->schemaMap[$schema->getTable()] = $schema;
     }
 }