add getters for the builder

this is necessary when extending it or passing the builder on in different contexts.

Author: Tobion

src/RetryingCallableBuilder.php

@@ -84,6 +84,38 @@ public function setRetryDelay($retryDelay)
         return $this;
     }
 
+    /**
+     * Returns the exceptions to catch and retry on.
+     *
+     * If empty, every exception will trigger the retry logic.
+     *
+     * @return string[] Array of exception classes/interfaces
+     */
+    public function getRetryableExceptions()
+    {
+        return $this->exceptions;
+    }
+
+    /**
+     * Returns the maximum number of retries.
+     *
+     * @return int Maximum number of retries
+     */
+    public function getMaxRetries()
+    {
+        return $this->maxRetries;
+    }
+
+    /**
+     * Returns the delay between retries in milliseconds.
+     *
+     * @return int Delay in milliseconds
+     */
+    public function getRetryDelay()
+    {
+        return $this->retryDelay;
+    }
+
     /**
      * Returns a callable that decorates the given operation to add the retry logic.
      *