diff --git a/oracleddlparser/src/main/java/org/eclipse/persistence/tools/oracleddl/metadata/visit/EnclosedTypeVisitor.java b/oracleddlparser/src/main/java/org/eclipse/persistence/tools/oracleddl/metadata/visit/EnclosedTypeVisitor.java
index 0cec392..37b995e 100644
--- a/oracleddlparser/src/main/java/org/eclipse/persistence/tools/oracleddl/metadata/visit/EnclosedTypeVisitor.java
+++ b/oracleddlparser/src/main/java/org/eclipse/persistence/tools/oracleddl/metadata/visit/EnclosedTypeVisitor.java
@@ -36,29 +36,40 @@
 
     protected List<CompositeDatabaseType> cTypes = new ArrayList<CompositeDatabaseType>();
 
+    /**
+     * Returns the list of types that were processed during visits
+     */
     public List<CompositeDatabaseType> getCompositeDatabaseTypes() {
         return cTypes;
     }
 
+    @Override
     public void endVisit(TableType databaseType) {
     	addType(databaseType);
     }
+    @Override
     public void endVisit(ObjectTableType databaseType) {
     	addType(databaseType);
     }
+    @Override
     public void endVisit(ObjectType databaseType) {
     	addType(databaseType);
     }
+    @Override
     public void endVisit(VArrayType databaseType) {
     	addType(databaseType);
     }
+    @Override
     public void endVisit(PLSQLCollectionType databaseType) {
     	addType(databaseType);
     }
+    @Override
     public void endVisit(PLSQLRecordType databaseType) {
     	addType(databaseType);
     }
+    @Override
     public void endVisit(ArgumentType databaseType) {
+    	// sometimes we get here with an ArgumentType instance - use the enclosed type in non-null
     	if (databaseType.getEnclosedType() != null && databaseType.getEnclosedType().isComposite()) {
     		addType((CompositeDatabaseType) databaseType.getEnclosedType());
     	}