/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package tv.twitch.volley;

/** Retry policy for a request. */
public interface RetryPolicy {

    /** Returns the current timeout (used for logging). */
    int getCurrentTimeout();

    /** Returns the current retry count (used for logging). */
    int getCurrentRetryCount();

    /**
     * Prepares for the next retry by applying a backoff to the timeout.
     *
     * @param error The error code of the last attempt.
     * @throws VolleyError In the event that the retry could not be performed (for example if we ran
     *     out of attempts), the passed in error is thrown.
     */
    void retry(VolleyError error) throws VolleyError;
}
