| // 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.actions; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.Iterables; |
| import com.google.devtools.build.lib.analysis.platform.PlatformInfo; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSet; |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import javax.annotation.Nullable; |
| import javax.annotation.concurrent.Immutable; |
| |
| /** Base implementation of a Spawn. */ |
| @Immutable |
| public class BaseSpawn implements Spawn { |
| private final ImmutableList<String> arguments; |
| private final ImmutableMap<String, String> environment; |
| private final ImmutableMap<String, String> executionInfo; |
| private final RunfilesSupplier runfilesSupplier; |
| private final ActionExecutionMetadata action; |
| private final ResourceSet localResources; |
| |
| public BaseSpawn( |
| List<String> arguments, |
| Map<String, String> environment, |
| Map<String, String> executionInfo, |
| RunfilesSupplier runfilesSupplier, |
| ActionExecutionMetadata action, |
| ResourceSet localResources) { |
| this.arguments = ImmutableList.copyOf(arguments); |
| this.environment = ImmutableMap.copyOf(environment); |
| this.executionInfo = ImmutableMap.copyOf(executionInfo); |
| this.runfilesSupplier = runfilesSupplier; |
| this.action = action; |
| this.localResources = localResources; |
| } |
| |
| @Override |
| public final ImmutableMap<String, String> getExecutionInfo() { |
| return executionInfo; |
| } |
| |
| @Override |
| public RunfilesSupplier getRunfilesSupplier() { |
| return runfilesSupplier; |
| } |
| |
| @Override |
| public ImmutableList<String> getArguments() { |
| // TODO(bazel-team): this method should be final, as the correct value of the args can be |
| // injected in the ctor. |
| return arguments; |
| } |
| |
| @Override |
| public ImmutableMap<Artifact, ImmutableList<FilesetOutputSymlink>> getFilesetMappings() { |
| return ImmutableMap.of(); |
| } |
| |
| @Override |
| public ImmutableMap<String, String> getEnvironment() { |
| PathFragment runfilesRoot = getRunfilesRoot(); |
| if (runfilesRoot == null |
| || (environment.containsKey("JAVA_RUNFILES") |
| && environment.containsKey("PYTHON_RUNFILES"))) { |
| return environment; |
| } else { |
| ImmutableMap.Builder<String, String> env = ImmutableMap.builder(); |
| env.putAll(environment); |
| // TODO(bazel-team): Unify these into a single env variable. |
| String runfilesRootString = runfilesRoot.getPathString(); |
| env.put("JAVA_RUNFILES", runfilesRootString); |
| env.put("PYTHON_RUNFILES", runfilesRootString); |
| return env.build(); |
| } |
| } |
| |
| /** @return the runfiles directory if there is only one, otherwise null */ |
| private PathFragment getRunfilesRoot() { |
| Set<PathFragment> runfilesSupplierRoots = runfilesSupplier.getRunfilesDirs(); |
| if (runfilesSupplierRoots.size() == 1) { |
| return Iterables.getOnlyElement(runfilesSupplierRoots); |
| } else { |
| return null; |
| } |
| } |
| |
| @Override |
| public NestedSet<? extends ActionInput> getToolFiles() { |
| return action.getTools(); |
| } |
| |
| @Override |
| public NestedSet<? extends ActionInput> getInputFiles() { |
| return action.getInputs(); |
| } |
| |
| @Override |
| public Collection<? extends ActionInput> getOutputFiles() { |
| return action.getOutputs(); |
| } |
| |
| @Override |
| public ActionExecutionMetadata getResourceOwner() { |
| return action; |
| } |
| |
| @Override |
| public ResourceSet getLocalResources() { |
| return localResources; |
| } |
| |
| @Override |
| public String getMnemonic() { |
| return action.getMnemonic(); |
| } |
| |
| @Override |
| public ImmutableMap<String, String> getCombinedExecProperties() { |
| return action.getOwner().getExecProperties(); |
| } |
| |
| @Override |
| @Nullable |
| public PlatformInfo getExecutionPlatform() { |
| return action.getExecutionPlatform(); |
| } |
| } |