// Copyright 2017 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.skyframe.packages;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.bazel.rules.BazelRuleClassProvider;
import com.google.devtools.build.lib.packages.PackageFactory.EnvironmentExtension;
import com.google.devtools.build.lib.packages.RuleClassProvider;
import com.google.devtools.build.lib.runtime.proto.InvocationPolicyOuterClass.InvocationPolicy;
import com.google.devtools.build.lib.skyframe.LocalRepositoryLookupFunction;
import com.google.devtools.build.lib.skyframe.PackageLookupFunction;
import com.google.devtools.build.lib.skyframe.PackageLookupFunction.CrossRepositoryLabelViolationStrategy;
import com.google.devtools.build.lib.skyframe.PackageLookupValue.BuildFileName;
import com.google.devtools.build.lib.skyframe.SkyFunctions;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.skyframe.SkyFunction;
import com.google.devtools.build.skyframe.SkyFunctionName;
/**
* Concrete implementation of {@link PackageLoader} that uses skyframe under the covers, but with
* no caching or incrementality.
*/
public class BazelPackageLoader extends AbstractPackageLoader {
/** Returns a fresh {@link Builder} instance. */
public static Builder builder(Path workspaceDir) {
return new Builder(workspaceDir);
}
/** Builder for {@link BazelPackageLoader} instances. */
public static class Builder extends AbstractPackageLoader.Builder {
private Builder(Path workspaceDir) {
super(workspaceDir);
}
@Override
public BazelPackageLoader build() {
return new BazelPackageLoader(this);
}
@Override
protected RuleClassProvider getDefaultRuleClassProvider() {
return BazelRuleClassProvider.create();
}
@Override
protected String getDefaultDefaulsPackageContents() {
return BazelRuleClassProvider.create().getDefaultsPackageContent(
InvocationPolicy.getDefaultInstance());
}
}
private BazelPackageLoader(Builder builder) {
super(builder);
}
@Override
protected String getName() {
return "BazelPackageLoader";
}
@Override
protected ImmutableList<EnvironmentExtension> getEnvironmentExtensions() {
return ImmutableList.of();
}
@Override
protected PackageLookupFunction makePackageLookupFunction() {
return new PackageLookupFunction(
deletedPackagesRef,
CrossRepositoryLabelViolationStrategy.ERROR,
ImmutableList.of(BuildFileName.BUILD_DOT_BAZEL, BuildFileName.BUILD));
}
@Override
protected ImmutableMap<SkyFunctionName, SkyFunction> getExtraExtraSkyFunctions() {
return ImmutableMap.<SkyFunctionName, SkyFunction>of(
SkyFunctions.LOCAL_REPOSITORY_LOOKUP, new LocalRepositoryLookupFunction());
// TODO(nharmata): Add support for external repositories.
}
}