HBASE-8222 User class should implement equals() and hashCode()

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1462672 13f79535-47bb-0310-9956-ffa450edef68

hbase-client/src/main/java/org/apache/hadoop/hbase/security/User.java

@@ -114,6 +114,23 @@ public abstract class User {
   public abstract void obtainAuthTokenForJob(JobConf job)
       throws IOException, InterruptedException;
 
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    return ugi.equals(((User) o).ugi);
+  }
+  
+  @Override
+  public int hashCode() {
+    return ugi.hashCode();
+  }
+  
+  @Override
   public String toString() {
     return ugi.toString();
   }

hbase-server/src/test/java/org/apache/hadoop/hbase/security/TestUser.java

@@ -101,6 +101,8 @@ public class TestUser {
       User u = User.getCurrent();
       assertNotNull(u);
       assertEquals(user1.getName(), u.getName());
+      assertEquals(user1, u);
+      assertEquals(user1.hashCode(), u.hashCode());
     }
   }