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// 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.SkylarkNestedSet;
/**
* 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 String PROVIDER_NAME = "GeneratedExtensionRegistryProvider";
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 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(PROVIDER_NAME, GeneratedExtensionRegistryProvider.class);
}
public String getName() {
return PROVIDER_NAME;
}
@Override
public GeneratedExtensionRegistryProvider create(
Label generatingRuleLabel,
boolean isLite,
Artifact classJar,
Artifact srcJar,
SkylarkNestedSet inputs) {
return new GeneratedExtensionRegistryProvider(
generatingRuleLabel,
isLite,
classJar,
srcJar,
NestedSetBuilder.<Artifact>stableOrder()
.addTransitive(inputs.getSet(Artifact.class))
.build());
}
}
}
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