Replace collections.size with isEmpty for better performance

Replace collections.size with isEmpty for better performance asdc-controller

Issue-ID: SO-2187

Signed-off-by: sindhu3672 <arcot.sindhuri@huawei.com>
Change-Id: Ie8adc3a149a583fe66c771ee70ae95055a229f83

3 files changed, 7 insertions, 7 deletions

diff --git a/asdc-controller/src/main/java/org/onap/so/asdc/activity/DeployActivitySpecs.java b/asdc-controller/src/main/java/org/onap/so/asdc/activity/DeployActivitySpecs.java
index 325ba913f8..e048d4c567 100644
--- a/asdc-controller/src/main/java/org/onap/so/asdc/activity/DeployActivitySpecs.java
+++ b/asdc-controller/src/main/java/org/onap/so/asdc/activity/DeployActivitySpecs.java
@@ -92,7 +92,7 @@ public class DeployActivitySpecs {
 
     private void mapCategoryList(List<ActivitySpecActivitySpecCategories> activitySpecActivitySpecCategories,
             ActivitySpec activitySpec) {
-        if (activitySpecActivitySpecCategories == null || activitySpecActivitySpecCategories.size() == 0) {
+        if (activitySpecActivitySpecCategories == null || activitySpecActivitySpecCategories.isEmpty()) {
             return;
         }
         List<String> categoryList = new ArrayList<>();
@@ -108,7 +108,7 @@ public class DeployActivitySpecs {
 
     private void mapInputsAndOutputs(List<ActivitySpecActivitySpecParameters> activitySpecActivitySpecParameters,
             ActivitySpec activitySpec) {
-        if (activitySpecActivitySpecParameters == null || activitySpecActivitySpecParameters.size() == 0) {
+        if (activitySpecActivitySpecParameters == null || activitySpecActivitySpecParameters.isEmpty()) {
             return;
         }
         List<Input> inputs = new ArrayList<>();
diff --git a/asdc-controller/src/main/java/org/onap/so/asdc/installer/bpmn/WorkflowResource.java b/asdc-controller/src/main/java/org/onap/so/asdc/installer/bpmn/WorkflowResource.java
index 46c440db0d..a68d98e0b0 100644
--- a/asdc-controller/src/main/java/org/onap/so/asdc/installer/bpmn/WorkflowResource.java
+++ b/asdc-controller/src/main/java/org/onap/so/asdc/installer/bpmn/WorkflowResource.java
@@ -140,7 +140,7 @@ public class WorkflowResource {
         VnfResourceWorkflow vnfResourceWorkflow = new VnfResourceWorkflow();
         vnfResourceWorkflow.setVnfResourceModelUUID(vfResourceModelUuid);
         vnfResourceWorkflow.setWorkflow(workflow);
-        List<VnfResourceWorkflow> vnfResourceWorkflows = new ArrayList<VnfResourceWorkflow>();
+        List<VnfResourceWorkflow> vnfResourceWorkflows = new ArrayList<>();
         vnfResourceWorkflows.add(vnfResourceWorkflow);
 
         workflow.setVnfResourceWorkflow(vnfResourceWorkflows);
@@ -174,7 +174,7 @@ public class WorkflowResource {
     }
 
     protected List<String> getActivityNameList(String bpmnContent) {
-        List<String> activityNameList = new ArrayList<String>();
+        List<String> activityNameList = new ArrayList<>();
 
         Pattern p = Pattern.compile(pattern);
         Matcher m = p.matcher(bpmnContent);
@@ -186,10 +186,10 @@ public class WorkflowResource {
 
     protected List<WorkflowActivitySpecSequence> getWorkflowActivitySpecSequence(List<String> activityNames,
             Workflow workflow) throws Exception {
-        if (activityNames == null || activityNames.size() == 0) {
+        if (activityNames == null || activityNames.isEmpty()) {
             return null;
         }
-        List<WorkflowActivitySpecSequence> workflowActivitySpecs = new ArrayList<WorkflowActivitySpecSequence>();
+        List<WorkflowActivitySpecSequence> workflowActivitySpecs = new ArrayList<>();
         int seqNo = 1;
         for (String activityName : activityNames) {
             ActivitySpec activitySpec = activityRepo.findByName(activityName);
diff --git a/asdc-controller/src/main/java/org/onap/so/asdc/installer/heat/ToscaResourceInstaller.java b/asdc-controller/src/main/java/org/onap/so/asdc/installer/heat/ToscaResourceInstaller.java
index ef1e5128de..276b8183a8 100644
--- a/asdc-controller/src/main/java/org/onap/so/asdc/installer/heat/ToscaResourceInstaller.java
+++ b/asdc-controller/src/main/java/org/onap/so/asdc/installer/heat/ToscaResourceInstaller.java
@@ -1117,7 +1117,7 @@ public class ToscaResourceInstaller {
             }
         }
 
-        if (tempGroupList.size() != 0 && tempGroupList.size() < groupList.size()) {
+        if (!tempGroupList.isEmpty() && tempGroupList.size() < groupList.size()) {
             getVNFCGroupSequenceList(strSequence, tempGroupList, nodes, iSdcCsarHelper);
         }
     }