Implement hashCode for Annotation.

To honour the Object.equals contract.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/main/javassist/bytecode/annotation/Annotation.java b/src/main/javassist/bytecode/annotation/Annotation.java
index 10ceb8ee..d19f6f56 100644
--- a/src/main/javassist/bytecode/annotation/Annotation.java
+++ b/src/main/javassist/bytecode/annotation/Annotation.java
@@ -331,6 +331,12 @@ public class Annotation {
         }
     }
 
+    @Override
+    public int hashCode() {
+        return getTypeName().hashCode() + 
+                (members == null ? 0 : members.hashCode());
+    }
+
     /**
      * Returns true if the given object represents the same annotation
      * as this object.  The equality test checks the member values.