Add getConfiguredTarget method to Dependency.

Part of work on toolchain transitions, #10523.

Closes #11491.

PiperOrigin-RevId: 313225355

src/main/java/com/google/devtools/build/lib/analysis/BUILD

diff --git a/src/main/java/com/google/devtools/build/lib/analysis/BUILD b/src/main/java/com/google/devtools/build/lib/analysis/BUILD
index b5e6167..de3bbfe 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/BUILD
+++ b/src/main/java/com/google/devtools/build/lib/analysis/BUILD
@@ -704,6 +704,7 @@
         ":config/transitions/configuration_transition",
         "//src/main/java/com/google/devtools/build/lib/cmdline",
         "//src/main/java/com/google/devtools/build/lib/packages",
+        "//src/main/java/com/google/devtools/build/lib/skyframe:configured_target_key",
         "//third_party:auto_value",
         "//third_party:guava",
         "//third_party:jsr305",

src/main/java/com/google/devtools/build/lib/analysis/Dependency.java

diff --git a/src/main/java/com/google/devtools/build/lib/analysis/Dependency.java b/src/main/java/com/google/devtools/build/lib/analysis/Dependency.java
index abfa5ed..b2d8801 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/Dependency.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/Dependency.java
@@ -20,6 +20,7 @@
 import com.google.devtools.build.lib.analysis.config.transitions.ConfigurationTransition;
 import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.build.lib.packages.AspectDescriptor;
+import com.google.devtools.build.lib.skyframe.ConfiguredTargetKey;
 import javax.annotation.Nullable;
 
 /**
@@ -116,4 +117,9 @@
    * to the dependency.
    */
   public abstract ImmutableList<String> getTransitionKeys();
+
+  /** Returns the ConfiguredTargetKey needed to fetch this dependency. */
+  public ConfiguredTargetKey getConfiguredTargetKey() {
+    return ConfiguredTargetKey.of(getLabel(), getConfiguration());
+  }
 }

src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetFunction.java

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetFunction.java b/src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetFunction.java
index 55f3bdd..cde4afd 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetFunction.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetFunction.java
@@ -797,8 +797,7 @@
     // to do a potential second pass, in which we fetch all the Packages for AliasConfiguredTargets.
     Iterable<SkyKey> depKeys =
         Iterables.concat(
-            Iterables.transform(
-                deps, input -> ConfiguredTargetKey.of(input.getLabel(), input.getConfiguration())),
+            Iterables.transform(deps, Dependency::getConfiguredTargetKey),
             Iterables.transform(
                 deps, input -> PackageValue.key(input.getLabel().getPackageIdentifier())));
     Map<SkyKey, ValueOrException<ConfiguredValueCreationException>> depValuesOrExceptions =
@@ -810,7 +809,7 @@
     Collection<Dependency> depsToProcess = deps;
     for (int i = 0; i < 2; i++) {
       for (Dependency dep : depsToProcess) {
-        SkyKey key = ConfiguredTargetKey.of(dep.getLabel(), dep.getConfiguration());
+        SkyKey key = dep.getConfiguredTargetKey();
         try {
           ConfiguredTargetValue depValue =
               (ConfiguredTargetValue) depValuesOrExceptions.get(key).get();