1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.volley;
18 
19 /**
20  * Retry policy for a request.
21  */
22 public interface RetryPolicy {
23 
24     /**
25      * Returns the current timeout (used for logging).
26      */
getCurrentTimeout()27     public int getCurrentTimeout();
28 
29     /**
30      * Returns the current retry count (used for logging).
31      */
getCurrentRetryCount()32     public int getCurrentRetryCount();
33 
34     /**
35      * Prepares for the next retry by applying a backoff to the timeout.
36      * @param error The error code of the last attempt.
37      * @throws VolleyError In the event that the retry could not be performed (for example if we
38      * ran out of attempts), the passed in error is thrown.
39      */
retry(VolleyError error)40     public void retry(VolleyError error) throws VolleyError;
41 }
42