Fix java check style warning

[msb/apigateway.git] / apiroute / apiroute-service / src / main / java / org / onap / msb / apiroute / wrapper / dao / RedisAccessWrapper.java

diff --git a/apiroute/apiroute-service/src/main/java/org/onap/msb/apiroute/wrapper/dao/RedisAccessWrapper.java b/apiroute/apiroute-service/src/main/java/org/onap/msb/apiroute/wrapper/dao/RedisAccessWrapper.java
index a789c0a..db74a42 100644 (file)
--- a/apiroute/apiroute-service/src/main/java/org/onap/msb/apiroute/wrapper/dao/RedisAccessWrapper.java
+++ b/apiroute/apiroute-service/src/main/java/org/onap/msb/apiroute/wrapper/dao/RedisAccessWrapper.java
@@ -1,46 +1,45 @@
 /*******************************************************************************
  * Copyright 2016-2017 ZTE, Inc. and others.
  * 
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
  * 
- *      http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
  ******************************************************************************/
 package org.onap.msb.apiroute.wrapper.dao;
 
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
 import org.onap.msb.apiroute.wrapper.util.JedisUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+
 import redis.clients.jedis.Jedis;
 import redis.clients.jedis.ScanParams;
 import redis.clients.jedis.ScanResult;
 
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
 public class RedisAccessWrapper {
     private static final Logger LOGGER = LoggerFactory.getLogger(RedisAccessWrapper.class);
-    //An iteration starts when the cursor is set to 0
+    // An iteration starts when the cursor is set to 0
     private static final String REDIS_SCAN_POINTER_NEW_ITERATION = "0";
-    //An iteration terminated when the cursor returned by the server is 0
+    // An iteration terminated when the cursor returned by the server is 0
     private static final String REDIS_SCAN_POINTER_ITERATION_END = "0";
     private static final int REDIS_SCAN_COUNT = 50;
 
 
-    public static void save(String key,String value) throws Exception {
+    public static void save(String key, String value) throws Exception {
         Jedis jedis = null;
         try {
             jedis = JedisUtil.borrowJedisInstance();
-            jedis.set(key,value);
+            jedis.set(key, value);
         } finally {
             JedisUtil.returnJedisInstance(jedis);
         }
@@ -52,7 +51,7 @@ public class RedisAccessWrapper {
         try {
             jedis = JedisUtil.borrowJedisInstance();
             value = jedis.get(key);
-        }finally {
+        } finally {
             JedisUtil.returnJedisInstance(jedis);
         }
         return value;
@@ -88,9 +87,9 @@ public class RedisAccessWrapper {
         Jedis jedis = null;
         try {
             jedis = JedisUtil.borrowJedisInstance();
-            for(String key : keySet){
+            for (String key : keySet) {
                 String value = jedis.get(key);
-                if(value !=null && !"".equals(value)){
+                if (value != null && !"".equals(value)) {
                     valueList.add(value);
                 }
             }
@@ -106,7 +105,7 @@ public class RedisAccessWrapper {
         Jedis jedis = null;
         try {
             jedis = JedisUtil.borrowJedisInstance();
-            for(String key : keySet){
+            for (String key : keySet) {
                 long reply = jedis.del(key);
                 replySum = replySum + reply;
             }
@@ -117,12 +116,13 @@ public class RedisAccessWrapper {
     }
 
     /**
-     * filter the keys according to the given pattern
-     * using "scan" instead of using "keys", incrementally iterate the keys space
+     * filter the keys according to the given pattern using "scan" instead of using "keys",
+     * incrementally iterate the keys space
+     * 
      * @param pattern the input filter pattern
      * @return the matched keys set
      */
-    public static Set<String> filterKeys(String pattern) throws Exception{
+    public static Set<String> filterKeys(String pattern) throws Exception {
         long start = System.currentTimeMillis();
         Jedis jedis = null;
         Set<String> filteredKeys = new HashSet<>();
@@ -131,17 +131,17 @@ public class RedisAccessWrapper {
         scanParams.count(REDIS_SCAN_COUNT);
         try {
             jedis = JedisUtil.borrowJedisInstance();
-            ScanResult<String> scanResult = jedis.scan(REDIS_SCAN_POINTER_NEW_ITERATION,scanParams);
+            ScanResult<String> scanResult = jedis.scan(REDIS_SCAN_POINTER_NEW_ITERATION, scanParams);
             filteredKeys.addAll(scanResult.getResult());
-            while(!scanResult.getStringCursor().equals(REDIS_SCAN_POINTER_ITERATION_END)){
-                scanResult = jedis.scan(scanResult.getStringCursor(),scanParams);
+            while (!scanResult.getStringCursor().equals(REDIS_SCAN_POINTER_ITERATION_END)) {
+                scanResult = jedis.scan(scanResult.getStringCursor(), scanParams);
                 filteredKeys.addAll(scanResult.getResult());
             }
         } finally {
             JedisUtil.returnJedisInstance(jedis);
         }
         long end = System.currentTimeMillis();
-        long costTime = end-start;
+        long costTime = end - start;
         LOGGER.info("filterKeys " + pattern + " count:" + filteredKeys.size() + " cost: " + costTime);
         return filteredKeys;
     }