com.google.gerrit.server.update.RetryingRestModifyView Maven / Gradle / Ivy
// Copyright (C) 2017 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.Response;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.extensions.restapi.RestResource;
import java.util.concurrent.atomic.AtomicReference;
public abstract class RetryingRestModifyView
implements RestModifyView {
private final RetryHelper retryHelper;
protected RetryingRestModifyView(RetryHelper retryHelper) {
this.retryHelper = retryHelper;
}
@Override
public final Response apply(R resource, I input) throws RestApiException {
AtomicReference 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, resource, input), retryOptions)
.traceId(traceId.get());
} catch (Exception e) {
Throwables.throwIfInstanceOf(e, RestApiException.class);
return Response.internalServerError(e).traceId(traceId.get());
}
}
protected abstract Response applyImpl(BatchUpdate.Factory updateFactory, R resource, I input)
throws Exception;
}