Merge HDFS-4038. Override toString() for BookKeeperEditLogInputStream. Contributed by Vinay.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1409072 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -117,6 +117,9 @@ Release 2.0.3-alpha - Unreleased
     HDFS-1322. Document umask in DistributedFileSystem#mkdirs javadocs.
     (Colin Patrick McCabe via eli)
 
+    HDFS-4038. Override toString() for BookKeeperEditLogInputStream.
+    (Vinay via umamahesh)
+
   OPTIMIZATIONS
 
   BUG FIXES 

hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/main/java/org/apache/hadoop/contrib/bkjournal/BookKeeperEditLogInputStream.java

@@ -129,8 +129,9 @@ class BookKeeperEditLogInputStream extends EditLogInputStream {
   
   @Override
   public String getName() {
-    return String.format("BookKeeper[%s,first=%d,last=%d]", 
-        lh.toString(), firstTxId, lastTxId);
+    return String.format(
+        "BookKeeperLedger[ledgerId=%d,firstTxId=%d,lastTxId=%d]", lh.getId(),
+        firstTxId, lastTxId);
   }
 
   @Override
@@ -157,6 +158,11 @@ class BookKeeperEditLogInputStream extends EditLogInputStream {
     }
   }
 
+  @Override
+  public String toString() {
+    return ("BookKeeperEditLogInputStream {" + this.getName() + "}");
+  }
+
   /**
    * Input stream implementation which can be used by 
    * FSEditLogOp.Reader