| // 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.googlesource.gerrit.plugins.auditsl4j; |
| |
| import com.google.common.base.Stopwatch; |
| import java.time.Duration; |
| import java.util.function.Supplier; |
| |
| public interface WaitForCondition { |
| |
| public default Duration waitTimeout() { |
| return Duration.ofSeconds(5); |
| } |
| |
| public default Duration waitInterval() { |
| return Duration.ofMillis(100); |
| } |
| |
| public default boolean waitFor(Supplier<Boolean> condition) { |
| Stopwatch stopwatch = Stopwatch.createStarted(); |
| try { |
| Duration maxWait = waitTimeout(); |
| Duration sleep = waitInterval(); |
| boolean conditionSucceeded = condition.get(); |
| while (!conditionSucceeded && stopwatch.elapsed().compareTo(maxWait) < 0) { |
| try { |
| Thread.sleep(sleep.toMillis()); |
| } catch (InterruptedException e) { |
| } |
| conditionSucceeded = condition.get(); |
| } |
| return conditionSucceeded; |
| } finally { |
| stopwatch.stop(); |
| } |
| } |
| } |