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// 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;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.analysis.platform.ToolchainTypeInfo;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
import com.google.devtools.build.skyframe.SkyFunctionName;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
import java.util.List;
/**
* A value which represents the map of potential execution platforms and resolved toolchains for a
* single toolchain type. This allows for a Skyframe cache per toolchain type.
*/
@AutoCodec
@AutoValue
public abstract class SingleToolchainResolutionValue implements SkyValue {
// A key representing the input data.
public static SingleToolchainResolutionKey key(
BuildConfigurationValue.Key configurationKey,
Label toolchainTypeLabel,
ConfiguredTargetKey targetPlatformKey,
List<ConfiguredTargetKey> availableExecutionPlatformKeys) {
return SingleToolchainResolutionKey.create(
configurationKey, toolchainTypeLabel, targetPlatformKey, availableExecutionPlatformKeys);
}
/** {@link SkyKey} implementation used for {@link SingleToolchainResolutionFunction}. */
@AutoCodec
@AutoCodec.VisibleForSerialization
@AutoValue
public abstract static class SingleToolchainResolutionKey implements SkyKey {
@Override
public SkyFunctionName functionName() {
return SkyFunctions.SINGLE_TOOLCHAIN_RESOLUTION;
}
abstract BuildConfigurationValue.Key configurationKey();
public abstract Label toolchainTypeLabel();
abstract ConfiguredTargetKey targetPlatformKey();
abstract ImmutableList<ConfiguredTargetKey> availableExecutionPlatformKeys();
@AutoCodec.Instantiator
static SingleToolchainResolutionKey create(
BuildConfigurationValue.Key configurationKey,
Label toolchainTypeLabel,
ConfiguredTargetKey targetPlatformKey,
List<ConfiguredTargetKey> availableExecutionPlatformKeys) {
return new AutoValue_SingleToolchainResolutionValue_SingleToolchainResolutionKey(
configurationKey,
toolchainTypeLabel,
targetPlatformKey,
ImmutableList.copyOf(availableExecutionPlatformKeys));
}
}
@AutoCodec.Instantiator
public static SingleToolchainResolutionValue create(
ToolchainTypeInfo toolchainType,
ImmutableMap<ConfiguredTargetKey, Label> availableToolchainLabels) {
return new AutoValue_SingleToolchainResolutionValue(toolchainType, availableToolchainLabels);
}
/** Returns the resolved details about the requested toolchain type. */
public abstract ToolchainTypeInfo toolchainType();
/**
* Returns the resolved set of toolchain labels (as {@link Label}) for the requested toolchain
* type, keyed by the execution platforms (as {@link ConfiguredTargetKey}). Ordering is not
* preserved, if the caller cares about the order of platforms it must take care of that directly.
*/
public abstract ImmutableMap<ConfiguredTargetKey, Label> availableToolchainLabels();
}