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some comments and refactoring for D.R.Y

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Trismegiste 2013-08-19 12:42:36 -04:00
parent 67bdb9fede
commit 7761fb74c1
1 changed files with 3 additions and 2 deletions
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5
Visitor/Role.php
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@ -29,8 +29,9 @@ abstract class Role
preg_match('#([^\\\\]+)$#', $fqcn, $extract);
$visitingMethod = 'visit' . $extract[1];
if (!method_exists('DesignPatterns\Visitor\RoleVisitor', $visitingMethod)) {
throw new \InvalidArgumentException("The visitor you provide cannot visit a $fqcn object");
// this ensures strong typing with visitor interface, not some visitor objects
if (!method_exists(__NAMESPACE__ . '\RoleVisitor', $visitingMethod)) {
throw new \InvalidArgumentException("The visitor you provide cannot visit a $fqcn instance");
}
call_user_func(array($visitor, $visitingMethod), $this);