| // Copyright 2022 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.concurrent; |
| |
| /** |
| * {@link Runnable} that is also {@link Comparable} for prioritization. |
| * |
| * <p>Requires {@link Comparable#compareTo} implementations to be <i>consistent with equals</i>. |
| */ |
| public interface ComparableRunnable extends Runnable, Comparable<ComparableRunnable> { |
| /** |
| * Hint that a task may require significant CPU. |
| * |
| * <p>Schedulers take extra care to not oversubscribe such tasks. |
| */ |
| default boolean isCpuHeavy() { |
| return false; |
| } |
| } |