Don't create the same String/ImmutableMap over and over again.

RELNOTES: None
PiperOrigin-RevId: 158498863

1 files changed, 7 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/actions/ExecutionRequirements.java b/src/main/java/com/google/devtools/build/lib/actions/ExecutionRequirements.java
index ad324fd805..74e2eae16a 100644
--- a/src/main/java/com/google/devtools/build/lib/actions/ExecutionRequirements.java
+++ b/src/main/java/com/google/devtools/build/lib/actions/ExecutionRequirements.java
@@ -16,6 +16,7 @@ package com.google.devtools.build.lib.actions;
 
 import com.google.auto.value.AutoValue;
 import com.google.common.base.Function;
+import com.google.common.collect.ImmutableMap;
 import com.google.devtools.build.lib.util.Preconditions;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -139,4 +140,10 @@ public class ExecutionRequirements {
               return null;
             }
           });
+
+  /** If an action supports running in persistent worker mode. */
+  public static final String SUPPORTS_WORKERS = "supports-workers";
+
+  public static final ImmutableMap<String, String> WORKER_MODE_ENABLED =
+      ImmutableMap.of(SUPPORTS_WORKERS, "1");
 }