| /** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.bookkeeper.zookeeper; |
| |
| /** |
| * Interface of the policy to use when retrying operations. |
| */ |
| public interface RetryPolicy { |
| |
| /** |
| * Called when retrying an operation failed for some reason. Return true if |
| * another attempt is allowed to make. |
| * |
| * @param retryCount |
| * The number of times retried so far (1 for the first time). |
| * @param elapsedRetryTime |
| * The elapsed time since the operation attempted. (in |
| * milliseconds) |
| * @return true if anther attempt is allowed to make. otherwise, false. |
| */ |
| public boolean allowRetry(int retryCount, long elapsedRetryTime); |
| |
| /** |
| * Called before making an attempt to retry a failed operation. Return 0 if |
| * an attempt needs to be made immediately. |
| * |
| * @param retryCount |
| * The number of times retried so far (0 for the first time). |
| * @param elapsedRetryTime |
| * The elapsed time since the operation attempted. (in |
| * milliseconds) |
| * @return the elapsed time that the attempt needs to wait before retrying. |
| * (in milliseconds) |
| */ |
| public long nextRetryWaitTime(int retryCount, long elapsedRetryTime); |
| |
| } |