From b602276836dba6fdd73b70538de5f115f36ce315 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Reimar=20D=C3=B6ffinger?= <Reimar.Doeffinger@gmx.de>
Date: Sun, 13 Aug 2017 13:37:07 +0200
Subject: [PATCH] Implement "equals" for Pair class.

Allows preventing duplicates more easily.
---
 .../android/dictionary/engine/PairEntry.java       | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/com/hughes/android/dictionary/engine/PairEntry.java b/src/com/hughes/android/dictionary/engine/PairEntry.java
index 7610fab..d47ae89 100644
--- a/src/com/hughes/android/dictionary/engine/PairEntry.java
+++ b/src/com/hughes/android/dictionary/engine/PairEntry.java
@@ -241,5 +241,19 @@ public class PairEntry extends AbstractEntry implements RAFSerializable<PairEntr
             throw new IllegalArgumentException();
         }
 
+        @Override
+        public boolean equals(Object o)
+        {
+            if (o == this) return true;
+            if (!(o instanceof Pair)) return false;
+            Pair p = (Pair)o;
+            return p.lang1.equals(lang1) && p.lang2.equals(lang2);
+        }
+
+        @Override
+        public int hashCode()
+        {
+            return (lang1 + "|" + lang2).hashCode();
+        }
     }
 }
-- 
2.43.0