diff options
author | janakr <janakr@google.com> | 2018-03-02 17:48:57 -0800 |
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committer | Copybara-Service <copybara-piper@google.com> | 2018-03-02 17:51:19 -0800 |
commit | 5fb2a487e53cc3d80e3654d5b63d062f7f70588b (patch) | |
tree | 82b23b68d09c451a8950468668150acdf89533e9 /src/main/java/com/google/devtools/build/lib/skyframe/ContainingPackageLookupValue.java | |
parent | 46f7106d0b20ae0ba245c3609545600ae379cea4 (diff) |
Replace LegacySkyKey by AbstractSkyKey or custom SkyKeys. AbstractSkyKey doesn't save memory in the 32-bit case, but makes it easier for people to see how many SkyKeys we have.
There's some unnecessary interning in tests, but it was easier to copypasta and doesn't harm anything, I think.
PiperOrigin-RevId: 187694309
Diffstat (limited to 'src/main/java/com/google/devtools/build/lib/skyframe/ContainingPackageLookupValue.java')
-rw-r--r-- | src/main/java/com/google/devtools/build/lib/skyframe/ContainingPackageLookupValue.java | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/ContainingPackageLookupValue.java b/src/main/java/com/google/devtools/build/lib/skyframe/ContainingPackageLookupValue.java index 24652583fb..725d20193a 100644 --- a/src/main/java/com/google/devtools/build/lib/skyframe/ContainingPackageLookupValue.java +++ b/src/main/java/com/google/devtools/build/lib/skyframe/ContainingPackageLookupValue.java @@ -14,11 +14,13 @@ package com.google.devtools.build.lib.skyframe; import com.google.common.base.Preconditions; +import com.google.common.collect.Interner; import com.google.devtools.build.lib.cmdline.PackageIdentifier; +import com.google.devtools.build.lib.concurrent.BlazeInterners; import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; import com.google.devtools.build.lib.vfs.Root; -import com.google.devtools.build.skyframe.LegacySkyKey; -import com.google.devtools.build.skyframe.SkyKey; +import com.google.devtools.build.skyframe.AbstractSkyKey; +import com.google.devtools.build.skyframe.SkyFunctionName; import com.google.devtools.build.skyframe.SkyValue; /** @@ -39,10 +41,31 @@ public abstract class ContainingPackageLookupValue implements SkyValue { /** If there is a containing package, returns its package root */ public abstract Root getContainingPackageRoot(); - public static SkyKey key(PackageIdentifier id) { + public static Key key(PackageIdentifier id) { Preconditions.checkArgument(!id.getPackageFragment().isAbsolute(), id); Preconditions.checkArgument(!id.getRepository().isDefault(), id); - return LegacySkyKey.create(SkyFunctions.CONTAINING_PACKAGE_LOOKUP, id); + return Key.create(id); + } + + @AutoCodec.VisibleForSerialization + @AutoCodec + static class Key extends AbstractSkyKey<PackageIdentifier> { + private static final Interner<Key> interner = BlazeInterners.newWeakInterner(); + + private Key(PackageIdentifier arg) { + super(arg); + } + + @AutoCodec.VisibleForSerialization + @AutoCodec.Instantiator + static Key create(PackageIdentifier arg) { + return interner.intern(new Key(arg)); + } + + @Override + public SkyFunctionName functionName() { + return SkyFunctions.CONTAINING_PACKAGE_LOOKUP; + } } public static ContainingPackage withContainingPackage(PackageIdentifier pkgId, Root root) { |