MapFilter_Interface MapFilter::__construct	(	MapFilter_PatternInterface $	pattern = `null`,
		$	query = `Array()`
	)

Create new filter instance.

Parameters:

$pattern	A pattern to set.
$query	A query to filter.

Returns:

If no pattern specified an untouched query will be returned:

  public function testEmptyPattern () {

    $query = Array ( 'attr' => 'value' );
    $filter = new MapFilter ();
    $filter->setQuery ( $query );

    $this->assertEquals (
        $query,
        $filter->fetchResult ()
    );
  }

See also:: setPattern(), setQuery(), MapFilter_PatternInterface

Since:: 0.1

Reimplemented from MapFilter_Interface.