From 2575366192ade32b757918674a4c94c5b174cf98 Mon Sep 17 00:00:00 2001
From: liningrui <liningrui@baidu.com>
Date: Tue, 5 Nov 2019 10:23:13 +0800
Subject: [PATCH] tiny improve

Change-Id: Ib1d39186e1f66471a02654d3e7e29665e07f4f56
---
 .../com/baidu/hugegraph/backend/tx/GraphIndexTransaction.java   | 2 +-
 .../src/main/java/com/baidu/hugegraph/cmd/InitStore.java        | 2 +-
 .../src/main/java/com/baidu/hugegraph/example/Example1.java     | 1 -
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/hugegraph-core/src/main/java/com/baidu/hugegraph/backend/tx/GraphIndexTransaction.java b/hugegraph-core/src/main/java/com/baidu/hugegraph/backend/tx/GraphIndexTransaction.java
index 90777fa6b3..211cbff7a9 100644
--- a/hugegraph-core/src/main/java/com/baidu/hugegraph/backend/tx/GraphIndexTransaction.java
+++ b/hugegraph-core/src/main/java/com/baidu/hugegraph/backend/tx/GraphIndexTransaction.java
@@ -511,7 +511,7 @@ private PageIds doIndexQueryOnce(IndexLabel indexLabel,
 
             Set<Id> ids = InsertionOrderUtil.newSet();
             Iterator<BackendEntry> entries = super.query(query).iterator();
-            while(entries.hasNext()) {
+            while (entries.hasNext()) {
                 HugeIndex index = this.serializer.readIndex(graph(), query,
                                                             entries.next());
                 ids.addAll(index.elementIds());
diff --git a/hugegraph-dist/src/main/java/com/baidu/hugegraph/cmd/InitStore.java b/hugegraph-dist/src/main/java/com/baidu/hugegraph/cmd/InitStore.java
index 1002483676..4ca05898b3 100644
--- a/hugegraph-dist/src/main/java/com/baidu/hugegraph/cmd/InitStore.java
+++ b/hugegraph-dist/src/main/java/com/baidu/hugegraph/cmd/InitStore.java
@@ -134,6 +134,6 @@ private static void initBackend(final HugeGraph graph)
                 throw e;
             }
             break;
-        } while(retries-- > 0);
+        } while (retries-- > 0);
     }
 }
diff --git a/hugegraph-example/src/main/java/com/baidu/hugegraph/example/Example1.java b/hugegraph-example/src/main/java/com/baidu/hugegraph/example/Example1.java
index 560056f273..a817a7665f 100644
--- a/hugegraph-example/src/main/java/com/baidu/hugegraph/example/Example1.java
+++ b/hugegraph-example/src/main/java/com/baidu/hugegraph/example/Example1.java
@@ -241,7 +241,6 @@ public static void loadData(final HugeGraph graph) {
             try {
                 tx.rollback();
             } catch (BackendException e2) {
-                // TODO Auto-generated catch block
                 e2.printStackTrace();
             }
         } finally {