New interfaces for the @throwable clause.

The @throwable clause implements IteratorAggregate and Countable.

1 files changed, 23 insertions, 1 deletions

diff --git a/Model/Throwable.php b/Model/Throwable.php
index e09757c..f0f639c 100644
--- a/Model/Throwable.php
+++ b/Model/Throwable.php
@@ -57,7 +57,7 @@ namespace Hoa\Praspel\Model {
  * @license    New BSD License
  */
 
-class Throwable extends Clause {
+class Throwable extends Clause implements \IteratorAggregate, \Countable {
 
     /**
      * Name.
@@ -99,6 +99,28 @@ class Throwable extends Clause {
 
         return $this->_exceptions;
     }
+
+    /**
+     * Iterator over exceptions.
+     *
+     * @access  public
+     * @return  \ArrayIterator
+     */
+    public function getIterator ( ) {
+
+        return new \ArrayIterator($this->getExceptions());
+    }
+
+    /**
+     * Count number of exceptions.
+     *
+     * @access  public
+     * @return  int
+     */
+    public function count ( ) {
+
+        return count($this->getExceptions());
+    }
 }
 
 }