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// Copyright 2015 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.android;
import com.google.auto.value.AutoValue;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.TransitiveInfoProvider;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.collect.nestedset.Order;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
/**
* Configured targets implementing this provider can contribute Jack libraries to the compilation of
* an Android APK using the Jack toolchain or another Jack library.
*
* @see <a href="http://tools.android.com/tech-docs/jackandjill">Jack documentation</a>
* @see JackCompilationHelper
*/
@AutoValue
@Immutable
public abstract class JackLibraryProvider implements TransitiveInfoProvider {
public static final JackLibraryProvider EMPTY =
JackLibraryProvider.create(
NestedSetBuilder.<Artifact>emptySet(Order.STABLE_ORDER),
NestedSetBuilder.<Artifact>emptySet(Order.STABLE_ORDER));
public static JackLibraryProvider create(
NestedSet<Artifact> transitiveJackLibrariesToLink,
NestedSet<Artifact> transitiveJackClasspathLibraries) {
return new AutoValue_JackLibraryProvider(
transitiveJackLibrariesToLink, transitiveJackClasspathLibraries);
}
/**
* Gets the Jack libraries in the transitive closure which should be added to the final dex file.
*/
public abstract NestedSet<Artifact> getTransitiveJackLibrariesToLink();
/**
* Gets the Jack libraries which should be added to the classpath of any Jack action depending on
* this provider.
*/
public abstract NestedSet<Artifact> getTransitiveJackClasspathLibraries();
/**
* Builder class to combine multiple JackLibraryProviders into a single one.
*/
public static final class Builder {
private final NestedSetBuilder<Artifact> transitiveJackLibrariesToLink =
NestedSetBuilder.<Artifact>stableOrder();
private final NestedSetBuilder<Artifact> transitiveJackClasspathLibraries =
NestedSetBuilder.<Artifact>stableOrder();
public Builder merge(JackLibraryProvider other) {
transitiveJackLibrariesToLink.addTransitive(other.getTransitiveJackLibrariesToLink());
transitiveJackClasspathLibraries.addTransitive(other.getTransitiveJackClasspathLibraries());
return this;
}
public JackLibraryProvider build() {
return JackLibraryProvider.create(
transitiveJackLibrariesToLink.build(), transitiveJackClasspathLibraries.build());
}
}
JackLibraryProvider() {}
}
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