r/m unused RecoveryManager instance (class is entirely static). patch by jbellis

git-svn-id: https://svn.apache.org/repos/asf/incubator/cassandra/trunk@889705 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/cassandra/db/RecoveryManager.java

@@ -28,18 +28,8 @@ import org.apache.commons.lang.StringUtils;
 
 public class RecoveryManager
 {
-    private static RecoveryManager instance_;
     private static Logger logger_ = Logger.getLogger(RecoveryManager.class);
 
-    public synchronized static RecoveryManager instance() throws IOException
-    {
-        if (instance_ == null)
-        {
-            instance_ = new RecoveryManager();
-        }
-        return instance_;
-    }
-
     public static File[] getListofCommitLogs()
     {
         String directory = DatabaseDescriptor.getLogFileLocation();

src/java/org/apache/cassandra/service/CassandraDaemon.java

@@ -91,7 +91,6 @@ public class CassandraDaemon
         }
 
         // replay the log if necessary
-        RecoveryManager recoveryMgr = RecoveryManager.instance();
         RecoveryManager.doRecovery();
 
         // now we start listening for clients

test/unit/org/apache/cassandra/db/RecoveryManagerTest.java

@@ -35,8 +35,7 @@ public class RecoveryManagerTest extends CleanupHelper
     @Test
     public void testNothing() throws IOException {
         // TODO nothing to recover
-        RecoveryManager rm = RecoveryManager.instance();
-        rm.doRecovery();  
+        RecoveryManager.doRecovery();
     }
 
     @Test