blob: a4cc37165e9b21f0b6340bc0498ae2b1012c3ffa [file] [log] [blame]
// Copyright 2018 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.skyframe;
/**
* What version to give an evaluated node: the max of its child versions or the graph version. Even
* for {@link #MAX_CHILD_VERSIONS} the version may still be the graph version depending on
* properties of the {@link SkyFunction} (if it is {@link FunctionHermeticity#NONHERMETIC}) or the
* error state of the node.
*
* <p>Should be set to {@link #MAX_CHILD_VERSIONS} unless the evaluation framework is being very
* sneaky.
*/
public enum EvaluationVersionBehavior {
MAX_CHILD_VERSIONS,
GRAPH_VERSION
}