Implement equals and hashcode for PrepareDepsOfPatternsValue

--
MOS_MIGRATED_REVID=116573891

1 files changed, 13 insertions, 2 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/PrepareDepsOfPatternsValue.java b/src/main/java/com/google/devtools/build/lib/skyframe/PrepareDepsOfPatternsValue.java
index 81a65d3e5a..cbcd9717df 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/PrepareDepsOfPatternsValue.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/PrepareDepsOfPatternsValue.java
@@ -45,8 +45,8 @@ public final class PrepareDepsOfPatternsValue implements SkyValue {
 
   private final ImmutableList<TargetPatternKey> targetPatternKeys;
 
-  PrepareDepsOfPatternsValue(ImmutableList<TargetPatternKey> targetPatternKeys) {
-    this.targetPatternKeys = targetPatternKeys;
+  public PrepareDepsOfPatternsValue(ImmutableList<TargetPatternKey> targetPatternKeys) {
+    this.targetPatternKeys = Preconditions.checkNotNull(targetPatternKeys);
   }
 
   public ImmutableList<TargetPatternKey> getTargetPatternKeys() {
@@ -95,4 +95,15 @@ public final class PrepareDepsOfPatternsValue implements SkyValue {
       return Objects.hash(patterns, offset);
     }
   }
+
+  @Override
+  public boolean equals(Object other) {
+    return other instanceof PrepareDepsOfPatternsValue
+        && targetPatternKeys.equals(((PrepareDepsOfPatternsValue) other).getTargetPatternKeys());
+  }
+
+  @Override
+  public int hashCode() {
+    return targetPatternKeys.hashCode();
+  }
 }