| /** |
| * 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.hadoop.fs.azurebfs.oauth2; |
| |
| import java.io.IOException; |
| import java.util.Date; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.azurebfs.extensions.CustomTokenProviderAdaptee; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Test Token provider which should throw exception and trigger retries |
| */ |
| public class RetryTestTokenProvider implements CustomTokenProviderAdaptee { |
| |
| // Need to track first token fetch otherwise will get counted as a retry too. |
| private static boolean isThisFirstTokenFetch = true; |
| public static int reTryCount = 0; |
| |
| private static final Logger LOG = LoggerFactory |
| .getLogger(RetryTestTokenProvider.class); |
| |
| @Override |
| public void initialize(Configuration configuration, String accountName) |
| throws IOException { |
| |
| } |
| |
| public static void ResetStatusToFirstTokenFetch() { |
| isThisFirstTokenFetch = true; |
| reTryCount = 0; |
| } |
| |
| @Override |
| public String getAccessToken() throws IOException { |
| if (isThisFirstTokenFetch) { |
| isThisFirstTokenFetch = false; |
| } else { |
| reTryCount++; |
| } |
| |
| LOG.debug("RetryTestTokenProvider: Throw an exception in fetching tokens"); |
| throw new IOException("test exception"); |
| } |
| |
| @Override |
| public Date getExpiryTime() { |
| return new Date(); |
| } |
| } |