From 170f8c1375c8826c6397de0eb80e2fa29d2bfe5f Mon Sep 17 00:00:00 2001
From: kamaci <furkankamaci@gmail.com>
Date: Mon, 9 Jan 2017 17:40:04 +0200
Subject: [PATCH] NUTCH-2346 Types are checked at object equality

---
 src/java/org/apache/nutch/crawl/GeneratorJob.java | 8 ++++++++
 src/java/org/apache/nutch/metadata/Metadata.java  | 7 +++----
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/java/org/apache/nutch/crawl/GeneratorJob.java b/src/java/org/apache/nutch/crawl/GeneratorJob.java
index 162759066c..3bfa2494aa 100644
--- a/src/java/org/apache/nutch/crawl/GeneratorJob.java
+++ b/src/java/org/apache/nutch/crawl/GeneratorJob.java
@@ -119,6 +119,14 @@ public int hashCode() {
 
     @Override
     public boolean equals(Object obj) {
+      if (obj == null) {
+        return false;
+      }
+
+      if (this.getClass() != obj.getClass()) {
+        return false;
+      }
+
       SelectorEntry other = (SelectorEntry) obj;
       if (!url.equals(other.url))
         return false;
diff --git a/src/java/org/apache/nutch/metadata/Metadata.java b/src/java/org/apache/nutch/metadata/Metadata.java
index 03c5db85c8..a56ec2be69 100644
--- a/src/java/org/apache/nutch/metadata/Metadata.java
+++ b/src/java/org/apache/nutch/metadata/Metadata.java
@@ -190,13 +190,12 @@ public boolean equals(Object o) {
       return false;
     }
 
-    Metadata other = null;
-    try {
-      other = (Metadata) o;
-    } catch (ClassCastException cce) {
+    if (this.getClass() != o.getClass()) {
       return false;
     }
 
+    Metadata other = (Metadata) o;
+
     if (other.size() != size()) {
       return false;
     }