1 files changed, 28 insertions, 0 deletions
diff --git a/java/com/google/gerrit/extensions/common/SubmitRequirementExpressionInfo.java b/java/com/google/gerrit/extensions/common/SubmitRequirementExpressionInfo.java
index 4d1fce2e3a..b4731f24a7 100644
--- a/java/com/google/gerrit/extensions/common/SubmitRequirementExpressionInfo.java
+++ b/java/com/google/gerrit/extensions/common/SubmitRequirementExpressionInfo.java
@@ -15,6 +15,7 @@
 package com.google.gerrit.extensions.common;
 
 import java.util.List;
+import java.util.Objects;
 
 /** Result of evaluating a single submit requirement expression. */
 public class SubmitRequirementExpressionInfo {
@@ -36,4 +37,31 @@ public class SubmitRequirementExpressionInfo {
    * has two atoms: ["branch:refs/heads/foo", "project:bar"].
    */
   public List<String> failingAtoms;
+
+  /**
+   * Optional error message. Contains an explanation of why the submit requirement expression failed
+   * during its evaluation.
+   */
+  public String errorMessage;
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (!(o instanceof SubmitRequirementExpressionInfo)) {
+      return false;
+    }
+    SubmitRequirementExpressionInfo that = (SubmitRequirementExpressionInfo) o;
+    return fulfilled == that.fulfilled
+        && Objects.equals(expression, that.expression)
+        && Objects.equals(passingAtoms, that.passingAtoms)
+        && Objects.equals(failingAtoms, that.failingAtoms)
+        && Objects.equals(errorMessage, that.errorMessage);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(expression, fulfilled, passingAtoms, failingAtoms, errorMessage);
+  }
 }