| // 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.rules.java.proto; |
| |
| import com.google.common.base.Verify; |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.analysis.TransitiveInfoProvider; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSet; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.packages.BuiltinProvider; |
| import com.google.devtools.build.lib.packages.NativeInfo; |
| import com.google.devtools.build.lib.skylarkbuildapi.java.GeneratedExtensionRegistryProviderApi; |
| import com.google.devtools.build.lib.syntax.Depset; |
| import com.google.devtools.build.lib.syntax.EvalException; |
| |
| /** |
| * A {@link TransitiveInfoProvider} for {@link Artifact}s created and used to generate the proto |
| * extension registry. This provider is used to ensure that if multiple registries are generated |
| * from a target, that the top most target produces a registry that is a superset of any child |
| * registries. |
| */ |
| @Immutable |
| public final class GeneratedExtensionRegistryProvider extends NativeInfo |
| implements GeneratedExtensionRegistryProviderApi<Artifact> { |
| |
| public static final Provider PROVIDER = new Provider(); |
| |
| private final Label generatingRuleLabel; |
| private final boolean isLite; |
| private final Artifact classJar; |
| private final Artifact srcJar; |
| private final NestedSet<Artifact> inputs; |
| |
| /** @return the rule label for which this registry was built. */ |
| @Override |
| public Label getGeneratingRuleLabel() { |
| return generatingRuleLabel; |
| } |
| |
| /** @return if this registry was generated for lite or full runtime. */ |
| @Override |
| public boolean isLite() { |
| return isLite; |
| } |
| |
| /** @return the class jar generated by the registry. */ |
| @Override |
| public Artifact getClassJar() { |
| return classJar; |
| } |
| |
| /** @return the source jar generated by the registry. */ |
| @Override |
| public Artifact getSrcJar() { |
| return srcJar; |
| } |
| |
| /** @return the proto jars used to generate the registry. */ |
| @Override |
| public Depset /*<Artifact>*/ getInputsForStarlark() { |
| return Depset.of(Artifact.TYPE, inputs); |
| } |
| |
| public NestedSet<Artifact> getInputs() { |
| return inputs; |
| } |
| |
| public static Builder builder() { |
| return new GeneratedExtensionRegistryProvider.Builder(); |
| } |
| |
| GeneratedExtensionRegistryProvider( |
| Label generatingRuleLabel, |
| boolean isLite, |
| Artifact classJar, |
| Artifact srcJar, |
| NestedSet<Artifact> inputs) { |
| super(PROVIDER); |
| this.generatingRuleLabel = generatingRuleLabel; |
| this.isLite = isLite; |
| this.classJar = classJar; |
| this.srcJar = srcJar; |
| this.inputs = inputs; |
| } |
| |
| /** A builder for {@link GeneratedExtensionRegistryProvider}. */ |
| public static class Builder { |
| private Label generatingRuleLabel = null; |
| private boolean isLite = false; |
| private Artifact classJar = null; |
| private Artifact srcJar = null; |
| private NestedSet<Artifact> inputs = null; |
| |
| /** Sets the rule label for which this registry was built. */ |
| public Builder setGeneratingRuleLabel(Label label) { |
| this.generatingRuleLabel = label; |
| return this; |
| } |
| |
| /** Indicates this registry was built for lite runtime if <tt>true</tt>, full otherwise. */ |
| public Builder setLite(boolean lite) { |
| this.isLite = lite; |
| return this; |
| } |
| |
| /** Sets the class jar containing the generated extension registry. */ |
| public Builder setClassJar(Artifact classJar) { |
| this.classJar = classJar; |
| return this; |
| } |
| |
| /** Sets the source jar containing the generated extension registry. */ |
| public Builder setSrcJar(Artifact srcJar) { |
| this.srcJar = srcJar; |
| return this; |
| } |
| |
| /** Sets the transitive set of protos used to produce the generated extension registry. */ |
| public Builder setInputs(NestedSet<Artifact> inputs) { |
| this.inputs = inputs; |
| return this; |
| } |
| |
| public GeneratedExtensionRegistryProvider build() { |
| Verify.verify(!inputs.isEmpty()); |
| return new GeneratedExtensionRegistryProvider( |
| generatingRuleLabel, isLite, classJar, srcJar, inputs); |
| } |
| } |
| |
| /** Provider class for {@link GeneratedExtensionRegistryProvider} objects. */ |
| public static class Provider extends BuiltinProvider<GeneratedExtensionRegistryProvider> |
| implements GeneratedExtensionRegistryProviderApi.Provider<Artifact> { |
| private Provider() { |
| super(NAME, GeneratedExtensionRegistryProvider.class); |
| } |
| |
| public String getName() { |
| return NAME; |
| } |
| |
| @Override |
| public GeneratedExtensionRegistryProvider create( |
| Label generatingRuleLabel, |
| boolean isLite, |
| Artifact classJar, |
| Artifact srcJar, |
| Depset inputs) |
| throws EvalException { |
| return new GeneratedExtensionRegistryProvider( |
| generatingRuleLabel, |
| isLite, |
| classJar, |
| srcJar, |
| NestedSetBuilder.<Artifact>stableOrder() |
| .addTransitive(inputs.getSetFromParam(Artifact.class, "inputs")) |
| .build()); |
| } |
| } |
| } |