| // Copyright 2023 The Bazel Authors. All rights reserved. |
| // |
| // 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.devtools.build.lib.remote.circuitbreaker; |
| |
| import com.google.devtools.build.lib.remote.Retrier; |
| import com.google.devtools.build.lib.remote.options.RemoteOptions; |
| |
| /** Factory for {@link Retrier.CircuitBreaker} */ |
| public class CircuitBreakerFactory { |
| public static final int DEFAULT_MIN_CALL_COUNT_TO_COMPUTE_FAILURE_RATE = 100; |
| |
| private CircuitBreakerFactory() {} |
| |
| /** |
| * Creates the instance of the {@link Retrier.CircuitBreaker} as per the strategy defined in |
| * {@link RemoteOptions}. In case of undefined strategy defaults to {@link |
| * Retrier.ALLOW_ALL_CALLS} implementation. |
| * |
| * @param remoteOptions The configuration for the CircuitBreaker implementation. |
| * @return an instance of CircuitBreaker. |
| */ |
| public static Retrier.CircuitBreaker createCircuitBreaker(final RemoteOptions remoteOptions) { |
| if (remoteOptions.circuitBreakerStrategy == RemoteOptions.CircuitBreakerStrategy.FAILURE) { |
| return new FailureCircuitBreaker( |
| remoteOptions.remoteFailureRateThreshold, |
| (int) remoteOptions.remoteFailureWindowInterval.toMillis()); |
| } |
| return Retrier.ALLOW_ALL_CALLS; |
| } |
| } |