| // Copyright (C) 2019 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 com.google.gerrit.server.update; |
| |
| import com.github.rholder.retry.RetryListener; |
| import com.google.common.base.Throwables; |
| import com.google.gerrit.extensions.restapi.RestApiException; |
| import java.util.function.Consumer; |
| import java.util.function.Predicate; |
| |
| /** |
| * A change action that is executed with retrying. |
| * |
| * <p>Instances of this class are created via {@link RetryHelper#changeUpdate(String, |
| * ChangeAction)}. |
| * |
| * <p>In contrast to normal {@link RetryableAction.Action}s that are called via {@link |
| * RetryableAction} {@link ChangeAction}s get a {@link BatchUpdate.Factory} provided. |
| * |
| * <p>In addition when a change action is called any exception that is not an unchecked exception |
| * and neither {@link UpdateException} nor {@link RestApiException} get wrapped into an {@link |
| * UpdateException}. |
| */ |
| public class RetryableChangeAction<T> extends RetryableAction<T> { |
| @FunctionalInterface |
| public interface ChangeAction<T> { |
| T call(BatchUpdate.Factory batchUpdateFactory) throws Exception; |
| } |
| |
| RetryableChangeAction( |
| RetryHelper retryHelper, |
| BatchUpdate.Factory updateFactory, |
| String actionName, |
| ChangeAction<T> changeAction) { |
| super( |
| retryHelper, ActionType.CHANGE_UPDATE, actionName, () -> changeAction.call(updateFactory)); |
| } |
| |
| @Override |
| public RetryableChangeAction<T> retryOn(Predicate<Throwable> exceptionPredicate) { |
| super.retryOn(exceptionPredicate); |
| return this; |
| } |
| |
| @Override |
| public RetryableChangeAction<T> retryWithTrace(Predicate<Throwable> exceptionPredicate) { |
| super.retryWithTrace(exceptionPredicate); |
| return this; |
| } |
| |
| @Override |
| public RetryableChangeAction<T> onAutoTrace(Consumer<String> traceIdConsumer) { |
| super.onAutoTrace(traceIdConsumer); |
| return this; |
| } |
| |
| @Override |
| public RetryableChangeAction<T> listener(RetryListener retryListener) { |
| super.listener(retryListener); |
| return this; |
| } |
| |
| @Override |
| public RetryableChangeAction<T> defaultTimeoutMultiplier(int multiplier) { |
| super.defaultTimeoutMultiplier(multiplier); |
| return this; |
| } |
| |
| @Override |
| public T call() throws UpdateException, RestApiException { |
| try { |
| return super.call(); |
| } catch (Exception e) { |
| Throwables.throwIfUnchecked(e); |
| Throwables.throwIfInstanceOf(e, UpdateException.class); |
| Throwables.throwIfInstanceOf(e, RestApiException.class); |
| throw new UpdateException(e); |
| } |
| } |
| } |