Remove unnecessary use of Calendar.getInstance()

Calendar.getInstance() is expensive and unnecessary
when we only need the system time.  This change
replaces the uses of Calendar.getInstance() with
System.currentTimeMillis().

Change-Id: I476f8850f5eb88d20cf7249cca5bb2e9b671b45a
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>

5 files changed, 16 insertions, 33 deletions

diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/MsoRequest.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/MsoRequest.java
index e976419399..64bdc3f269 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/MsoRequest.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/MsoRequest.java
@@ -25,7 +25,6 @@ import java.io.StringWriter;
 import java.sql.Timestamp;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
-import java.util.Calendar;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
@@ -116,16 +115,14 @@ public class MsoRequest {
 
     MsoRequest (String requestId) {
         this.requestId = requestId;
-        Calendar startTimeCalendar = Calendar.getInstance ();
-        this.startTime = startTimeCalendar.getTimeInMillis ();
+        this.startTime = System.currentTimeMillis();
         MsoLogger.setLogContext (requestId, null);
 
     } 
     
     MsoRequest () {
 
-        Calendar startTimeCalendar = Calendar.getInstance ();
-        this.startTime = startTimeCalendar.getTimeInMillis ();
+        this.startTime = System.currentTimeMillis();
         MsoLogger.setLogContext (requestId, null);
 
     }
@@ -522,7 +519,7 @@ public class MsoRequest {
             aq.setRequestAction(action.name());
             aq.setAction(action.name());
             
-            Timestamp startTimeStamp = new Timestamp (Calendar.getInstance ().getTimeInMillis ());
+            Timestamp startTimeStamp = new Timestamp (System.currentTimeMillis());
             
             aq.setStartTime (startTimeStamp);
                       
@@ -625,8 +622,7 @@ public class MsoRequest {
                 aq.setResponseBody (this.responseBody);
                 aq.setProgress(new Long(100));
 
-                Calendar endTime = Calendar.getInstance ();
-                Timestamp endTimeStamp = new Timestamp (endTime.getTimeInMillis ());
+                Timestamp endTimeStamp = new Timestamp (System.currentTimeMillis());
                 aq.setEndTime (endTimeStamp);
             }
  
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/NetworkMsoInfraRequest.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/NetworkMsoInfraRequest.java
index f35ddfbda8..61f4b9f7cd 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/NetworkMsoInfraRequest.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/NetworkMsoInfraRequest.java
@@ -24,7 +24,6 @@ import java.io.StringReader;
 import java.io.StringWriter;
 import java.sql.Timestamp;
 import java.text.SimpleDateFormat;
-import java.util.Calendar;
 import java.util.Date;
 
 import javax.ws.rs.core.Response;
@@ -82,8 +81,7 @@ public class NetworkMsoInfraRequest {
 
     NetworkMsoInfraRequest (String requestId) {
         this.requestId = requestId;
-        Calendar startTimeCalendar = Calendar.getInstance ();
-        this.startTime = startTimeCalendar.getTimeInMillis ();
+        this.startTime = System.currentTimeMillis();
         MsoLogger.setLogContext (requestId, null);
 
     }
@@ -260,7 +258,7 @@ public class NetworkMsoInfraRequest {
             InfraActiveRequests aq = new InfraActiveRequests ();
             aq.setRequestId (requestId);
 
-            Timestamp startTimeStamp = new Timestamp (Calendar.getInstance ().getTimeInMillis ());
+            Timestamp startTimeStamp = new Timestamp (System.currentTimeMillis());
             if (rinfo != null) {
                 if (rinfo.getAction () != null) {
                     aq.setAction (rinfo.getAction ().value ());
@@ -320,8 +318,7 @@ public class NetworkMsoInfraRequest {
                 aq.setStatusMessage (this.errorMessage);
                 aq.setResponseBody (this.responseBody);
 
-                Calendar endTime = Calendar.getInstance ();
-                Timestamp endTimeStamp = new Timestamp (endTime.getTimeInMillis ());
+                Timestamp endTimeStamp = new Timestamp (System.currentTimeMillis());
                 aq.setEndTime (endTimeStamp);                
             } 
             aq.setProgress (this.progress);
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/VnfMsoInfraRequest.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/VnfMsoInfraRequest.java
index e22d182086..162e4f799a 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/VnfMsoInfraRequest.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/VnfMsoInfraRequest.java
@@ -25,7 +25,6 @@ import java.io.StringReader;
 import java.io.StringWriter;
 import java.sql.Timestamp;
 import java.text.SimpleDateFormat;
-import java.util.Calendar;
 import java.util.Date;
 import java.util.List;
 
@@ -86,8 +85,7 @@ public class VnfMsoInfraRequest {
 
     VnfMsoInfraRequest (String requestId) {
         this.requestId = requestId;
-        Calendar startTimeCalendar = Calendar.getInstance ();
-        this.startTime = startTimeCalendar.getTimeInMillis ();
+        this.startTime = System.currentTimeMillis();
         MsoLogger.setLogContext (requestId, null);
 
     }
@@ -285,7 +283,7 @@ public class VnfMsoInfraRequest {
             aq.setRequestId (requestId);
             aq.setClientRequestId(rinfo.getRequestId());
 
-            Timestamp startTimeStamp = new Timestamp (Calendar.getInstance ().getTimeInMillis ());
+            Timestamp startTimeStamp = new Timestamp (System.currentTimeMillis());
             if (rinfo != null) {
                 if (rinfo.getAction () != null) {
                     aq.setAction (rinfo.getAction ().value ());
@@ -372,8 +370,7 @@ public class VnfMsoInfraRequest {
                 aq.setStatusMessage (this.errorMessage);
                 aq.setResponseBody (this.responseBody);
 
-                Calendar endTime = Calendar.getInstance ();
-                Timestamp endTimeStamp = new Timestamp (endTime.getTimeInMillis ());
+                Timestamp endTimeStamp = new Timestamp (System.currentTimeMillis());
                 aq.setEndTime (endTimeStamp);
             }
                 
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/VolumeMsoInfraRequest.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/VolumeMsoInfraRequest.java
index 42ef60bfaf..eb7d1874cd 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/VolumeMsoInfraRequest.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/VolumeMsoInfraRequest.java
@@ -24,7 +24,6 @@ import java.io.StringReader;
 import java.io.StringWriter;
 import java.sql.Timestamp;
 import java.text.SimpleDateFormat;
-import java.util.Calendar;
 import java.util.Date;
 
 import javax.ws.rs.core.Response;
@@ -83,8 +82,7 @@ public class VolumeMsoInfraRequest {
 
     VolumeMsoInfraRequest (String requestId) {
         this.requestId = requestId;
-        Calendar startTimeCalendar = Calendar.getInstance ();
-        this.startTime = startTimeCalendar.getTimeInMillis ();
+        this.startTime = System.currentTimeMillis();
         MsoLogger.setLogContext (requestId, null);
 
     }
@@ -287,7 +285,7 @@ public class VolumeMsoInfraRequest {
             InfraActiveRequests aq = new InfraActiveRequests ();
             aq.setRequestId (requestId);
 
-            Timestamp startTimeStamp = new Timestamp (Calendar.getInstance ().getTimeInMillis ());
+            Timestamp startTimeStamp = new Timestamp (System.currentTimeMillis());
             if (rinfo != null) {
                 if (rinfo.getAction () != null) {
                     aq.setAction (rinfo.getAction ().value ());
@@ -350,8 +348,7 @@ public class VolumeMsoInfraRequest {
                 aq.setStatusMessage (this.errorMessage);
                 aq.setResponseBody (this.responseBody);
 
-                Calendar endTime = Calendar.getInstance ();
-                Timestamp endTimeStamp = new Timestamp (endTime.getTimeInMillis ());
+                Timestamp endTimeStamp = new Timestamp (System.currentTimeMillis());
                 aq.setEndTime (endTimeStamp);               
             } 
             aq.setProgress (this.progress);
diff --git a/mso-api-handlers/mso-requests-db/src/main/java/org/openecomp/mso/requestsdb/RequestsDatabase.java b/mso-api-handlers/mso-requests-db/src/main/java/org/openecomp/mso/requestsdb/RequestsDatabase.java
index 9abd871b5f..fda4461840 100644
--- a/mso-api-handlers/mso-requests-db/src/main/java/org/openecomp/mso/requestsdb/RequestsDatabase.java
+++ b/mso-api-handlers/mso-requests-db/src/main/java/org/openecomp/mso/requestsdb/RequestsDatabase.java
@@ -22,7 +22,6 @@ package org.openecomp.mso.requestsdb;
 
 import java.sql.Timestamp;
 import java.util.ArrayList;
-import java.util.Calendar;
 import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
@@ -98,8 +97,7 @@ public class RequestsDatabase {
             query.setParameter ("requestStatus", requestStatus);
             query.setParameter (REQUEST_ID, requestId);
             query.setParameter ("lastModifiedBy", lastModifiedBy);
-            Calendar modifyTime = Calendar.getInstance ();
-            Timestamp modifyTimeStamp = new Timestamp (modifyTime.getTimeInMillis ());
+            Timestamp modifyTimeStamp = new Timestamp (System.currentTimeMillis());
             query.setParameter ("modifyTime", modifyTimeStamp);
             result = query.executeUpdate ();
             session.getTransaction ().commit ();
@@ -125,8 +123,7 @@ public class RequestsDatabase {
             query.setParameter (REQUEST_ID, requestId);
             query.setParameter ("progress", progress);
             query.setParameter ("lastModifiedBy", lastModifiedBy);
-            Calendar modifyTime = Calendar.getInstance ();
-            Timestamp modifyTimeStamp = new Timestamp (modifyTime.getTimeInMillis ());
+            Timestamp modifyTimeStamp = new Timestamp (System.currentTimeMillis());
             query.setParameter ("modifyTime", modifyTimeStamp);
             result = query.executeUpdate ();
             session.getTransaction ().commit ();
@@ -150,8 +147,7 @@ public class RequestsDatabase {
             Query query = session.createQuery ("update InfraActiveRequests set requestStatus = :requestStatus, statusMessage = :statusMessage, progress = :progress, endTime = :endTime, responseBody = :responseBody, lastModifiedBy = :lastModifiedBy where id.requestId = :requestId ");
             query.setParameter ("requestStatus", requestStatus);
             query.setParameter ("requestId", requestId);
-            Calendar endTime = Calendar.getInstance ();
-            Timestamp endTimeStamp = new Timestamp (endTime.getTimeInMillis ());
+            Timestamp endTimeStamp = new Timestamp (System.currentTimeMillis());
             query.setParameter ("endTime", endTimeStamp);
             query.setParameter ("statusMessage", statusMessage);
             query.setParameter ("progress", progress);