| // Copyright (C) 2018 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.google.common.base.Throwables; |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.extensions.restapi.BadRequestException; |
| import com.google.gerrit.extensions.restapi.ResourceConflictException; |
| import com.google.gerrit.extensions.restapi.Response; |
| import com.google.gerrit.extensions.restapi.RestApiException; |
| import com.google.gerrit.extensions.restapi.RestCollectionModifyView; |
| import com.google.gerrit.extensions.restapi.RestResource; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| public abstract class RetryingRestCollectionModifyView< |
| P extends RestResource, C extends RestResource, I, O> |
| implements RestCollectionModifyView<P, C, I> { |
| private final RetryHelper retryHelper; |
| |
| protected RetryingRestCollectionModifyView(RetryHelper retryHelper) { |
| this.retryHelper = retryHelper; |
| } |
| |
| @Override |
| public final Response<O> apply(P parentResource, I input) |
| throws AuthException, BadRequestException, ResourceConflictException, Exception { |
| AtomicReference<String> traceId = new AtomicReference<>(null); |
| try { |
| RetryHelper.Options retryOptions = |
| RetryHelper.options() |
| .caller(getClass()) |
| .retryWithTrace(t -> !(t instanceof RestApiException)) |
| .onAutoTrace(traceId::set) |
| .build(); |
| return retryHelper |
| .execute(updateFactory -> applyImpl(updateFactory, parentResource, input), retryOptions) |
| .traceId(traceId.get()); |
| } catch (Exception e) { |
| Throwables.throwIfInstanceOf(e, RestApiException.class); |
| return Response.<O>internalServerError(e).traceId(traceId.get()); |
| } |
| } |
| |
| protected abstract Response<O> applyImpl( |
| BatchUpdate.Factory updateFactory, P parentResource, I input) throws Exception; |
| } |