Minor code refactoring and improvements.

[controller.git] / opendaylight / sal / yang-prototype / code-generator / yang-model-parser-impl / src / main / java / org / opendaylight / controller / yang / parser / builder / impl / FeatureBuilder.java

diff --git a/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/builder/impl/FeatureBuilder.java b/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/builder/impl/FeatureBuilder.java
index c5dd60a79042d576b1de82684a9045f4aa802b4e..4d5ce9703f052d36dbd80b36de91774ac539d538 100644 (file)
--- a/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/builder/impl/FeatureBuilder.java
+++ b/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/builder/impl/FeatureBuilder.java
@@ -37,11 +37,13 @@ public final class FeatureBuilder extends AbstractSchemaNodeBuilder {
             instance.setStatus(status);
 
             // UNKNOWN NODES
-            final List<UnknownSchemaNode> unknownNodes = new ArrayList<UnknownSchemaNode>();
-            for (UnknownSchemaNodeBuilder b : addedUnknownNodes) {
-                unknownNodes.add(b.build());
+            if (unknownNodes == null) {
+                unknownNodes = new ArrayList<UnknownSchemaNode>();
+                for (UnknownSchemaNodeBuilder b : addedUnknownNodes) {
+                    unknownNodes.add(b.build());
+                }
+                Collections.sort(unknownNodes, Comparators.SCHEMA_NODE_COMP);
             }
-            Collections.sort(unknownNodes, Comparators.SCHEMA_NODE_COMP);
             instance.setUnknownSchemaNodes(unknownNodes);
 
             isBuilt = true;