// Copyright 2016 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.util; /** * Interface accepting requests to put current thread to sleep. * * <p>The only implementation of this interface intended for production use is {@link JavaSleeper}. * Use {@link com.google.devtools.build.lib.testutil.ManualSleeper ManualSleeper} for testing. */ public interface Sleeper { /** * Puts current thread to sleep for given duration. * * @throws InterruptedException if current thread is being cast into oblivion * @throws IllegalArgumentException if {@code milliseconds} is negative */ void sleepMillis(long milliseconds) throws InterruptedException; }