Add proper serialization constructor and equals/hashCode for EnvironmentLabels.

PiperOrigin-RevId: 188078054

1 files changed, 10 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/analysis/constraints/EnvironmentCollection.java b/src/main/java/com/google/devtools/build/lib/analysis/constraints/EnvironmentCollection.java
index c1ce9f0a1a..430078eb62 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/constraints/EnvironmentCollection.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/constraints/EnvironmentCollection.java
@@ -15,6 +15,7 @@
 package com.google.devtools.build.lib.analysis.constraints;
 
 import com.google.auto.value.AutoValue;
+import com.google.common.base.MoreObjects;
 import com.google.common.collect.ImmutableCollection;
 import com.google.common.collect.ImmutableMultimap;
 import com.google.common.collect.ImmutableSet;
@@ -89,6 +90,15 @@ public class EnvironmentCollection {
   /** An empty collection. */
   static final EnvironmentCollection EMPTY = new EnvironmentCollection(ImmutableMultimap.of());
 
+  @Override
+  public String toString() {
+    return MoreObjects.toStringHelper(this)
+        .add("size", map.size())
+        .add("hashCode", map.hashCode())
+        .add("map", map)
+        .toString();
+  }
+
   /**
    * Builder for {@link EnvironmentCollection}.
    */