Fix `if` style, and test case.
diff --git a/oal-parser/src/main/resources/code-templates/EndpointDispatcherTemplate.ftl b/oal-parser/src/main/resources/code-templates/EndpointDispatcherTemplate.ftl
index e2f4ee7..657c769 100644
--- a/oal-parser/src/main/resources/code-templates/EndpointDispatcherTemplate.ftl
+++ b/oal-parser/src/main/resources/code-templates/EndpointDispatcherTemplate.ftl
@@ -48,7 +48,7 @@
 
     <#if indicator.filterExpressions??>
         <#list indicator.filterExpressions as filterExpression>
-        if(!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
+        if (!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
             return;
         }
         </#list>
diff --git a/oal-parser/src/main/resources/code-templates/ServiceDispatcherTemplate.ftl b/oal-parser/src/main/resources/code-templates/ServiceDispatcherTemplate.ftl
index a452305..077e04e 100644
--- a/oal-parser/src/main/resources/code-templates/ServiceDispatcherTemplate.ftl
+++ b/oal-parser/src/main/resources/code-templates/ServiceDispatcherTemplate.ftl
@@ -48,7 +48,7 @@
 
     <#if indicator.filterExpressions??>
         <#list indicator.filterExpressions as filterExpression>
-        if(!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
+        if (!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
             return;
         }
         </#list>
diff --git a/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMCPUDispatcherTemplate.ftl b/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMCPUDispatcherTemplate.ftl
index b79a357..6e0e2ea 100644
--- a/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMCPUDispatcherTemplate.ftl
+++ b/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMCPUDispatcherTemplate.ftl
@@ -48,7 +48,7 @@
 
     <#if indicator.filterExpressions??>
         <#list indicator.filterExpressions as filterExpression>
-        if(!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
+        if (!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
             return;
         }
         </#list>
diff --git a/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMGCDispatcherTemplate.ftl b/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMGCDispatcherTemplate.ftl
index 7f107db..da8992f 100644
--- a/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMGCDispatcherTemplate.ftl
+++ b/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMGCDispatcherTemplate.ftl
@@ -48,7 +48,7 @@
 
     <#if indicator.filterExpressions??>
         <#list indicator.filterExpressions as filterExpression>
-        if(!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
+        if (!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
             return;
         }
         </#list>
diff --git a/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMMemoryDispatcherTemplate.ftl b/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMMemoryDispatcherTemplate.ftl
index 9a9af3b..1ae2052 100644
--- a/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMMemoryDispatcherTemplate.ftl
+++ b/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMMemoryDispatcherTemplate.ftl
@@ -48,7 +48,7 @@
 
     <#if indicator.filterExpressions??>
         <#list indicator.filterExpressions as filterExpression>
-        if(!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
+        if (!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
             return;
         }
         </#list>
diff --git a/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMMemoryPoolDispatcherTemplate.ftl b/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMMemoryPoolDispatcherTemplate.ftl
index 9abe59c..8f06142 100644
--- a/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMMemoryPoolDispatcherTemplate.ftl
+++ b/oal-parser/src/main/resources/code-templates/ServiceInstanceJVMMemoryPoolDispatcherTemplate.ftl
@@ -48,7 +48,7 @@
 
     <#if indicator.filterExpressions??>
         <#list indicator.filterExpressions as filterExpression>
-        if(!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
+        if (!new ${filterExpression.expressionObject}().setLeft(${filterExpression.left}).setRight(${filterExpression.right}).match()) {
             return;
         }
         </#list>
diff --git a/oal-parser/src/test/resources/expectedFiles/ServiceDispatcherExpected.java b/oal-parser/src/test/resources/expectedFiles/ServiceDispatcherExpected.java
index 92d6646..830fa66 100644
--- a/oal-parser/src/test/resources/expectedFiles/ServiceDispatcherExpected.java
+++ b/oal-parser/src/test/resources/expectedFiles/ServiceDispatcherExpected.java
@@ -37,13 +37,13 @@
     private void doServiceAvg(Service source) {
         ServiceAvgIndicator indicator = new ServiceAvgIndicator();
 
-        if(!(new EqualMatch().setLeft(source.getName()).setRight("/service/prod/save").match())) {
+        if (!new EqualMatch().setLeft(source.getName()).setRight("/service/prod/save").match()) {
             return;
         }
 
         indicator.setTimeBucket(source.getTimeBucket());
         indicator.setId(source.getId());
         indicator.combine(source.getLatency(), 1);
-        avgAggregator.in(indicator);
+        IndicatorProcess.INSTANCE.in(indicator);
     }
 }