X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fsal%2Fyang-prototype%2Fcode-generator%2Fyang-model-parser-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fyang%2Fparser%2Fbuilder%2Fimpl%2FIdentitySchemaNodeBuilder.java;h=96b4bd4dd89826176af584cce712f47504a9b8ee;hb=refs%2Fchanges%2F79%2F579%2F2;hp=14fca7d250cb4cf9300fcb0d4d4757156762d0ef;hpb=78e88bed85a7d616c22d3d974e92c383ffb98318;p=controller.git

diff --git a/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/builder/impl/IdentitySchemaNodeBuilder.java b/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/builder/impl/IdentitySchemaNodeBuilder.java
index 14fca7d250..96b4bd4dd8 100644
--- a/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/builder/impl/IdentitySchemaNodeBuilder.java
+++ b/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/builder/impl/IdentitySchemaNodeBuilder.java
@@ -48,11 +48,13 @@ public final class IdentitySchemaNodeBuilder extends AbstractSchemaNodeBuilder {
             }
 
             // 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;