| // Copyright 2014 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.exec; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Predicates; |
| import com.google.devtools.build.lib.actions.Action; |
| import com.google.devtools.build.lib.analysis.test.TestRunnerAction; |
| |
| /** |
| * Class implements --check_???_up_to_date execution filter predicate |
| * that prevents certain actions from being executed (thus aborting |
| * the build if action is not up-to-date). |
| */ |
| public final class CheckUpToDateFilter implements Predicate<Action> { |
| |
| /** |
| * Determines an execution filter based on the --check_up_to_date and |
| * --check_tests_up_to_date options. Returns a singleton if possible. |
| */ |
| public static Predicate<Action> fromOptions(ExecutionOptions options) { |
| if (!options.testCheckUpToDate && !options.checkUpToDate) { |
| return Predicates.alwaysTrue(); |
| } |
| return new CheckUpToDateFilter(options); |
| } |
| |
| private final boolean allowBuildActionExecution; |
| private final boolean allowTestActionExecution; |
| |
| /** |
| * Creates new execution filter based on --check_up_to_date and |
| * --check_tests_up_to_date options. |
| */ |
| private CheckUpToDateFilter(ExecutionOptions options) { |
| // If we want to check whether test is up-to-date, we should disallow |
| // test execution. |
| this.allowTestActionExecution = !options.testCheckUpToDate; |
| |
| // Build action execution should be prohibited in two cases - if we are |
| // checking whether build is up-to-date or if we are checking that tests |
| // are up-to-date (and test execution is not allowed). |
| this.allowBuildActionExecution = allowTestActionExecution && !options.checkUpToDate; |
| } |
| |
| /** |
| * @return true if actions' execution is allowed, false - otherwise |
| */ |
| @Override |
| public boolean apply(Action action) { |
| if (action instanceof AlwaysOutOfDateAction) { |
| // Always allow fileset manifest action to execute because it identifies files included |
| // in the fileset during execution time. |
| return true; |
| } else if (action instanceof TestRunnerAction) { |
| return allowTestActionExecution; |
| } else { |
| return allowBuildActionExecution; |
| } |
| } |
| |
| } |