BUG-9265: Switch empty type mapping from Void to Empty

[yangtools.git] / yang / yang-data-util / src / main / java / org / opendaylight / yangtools / yang / data / util / SimpleNodeDataWithSchema.java

diff --git a/yang/yang-data-util/src/main/java/org/opendaylight/yangtools/yang/data/util/SimpleNodeDataWithSchema.java b/yang/yang-data-util/src/main/java/org/opendaylight/yangtools/yang/data/util/SimpleNodeDataWithSchema.java
index fd0b0e2baa781c62124a892bea834a6bead81b4d..2fb5f83696eb741de889d626e8d7775c136bc7ed 100644 (file)
--- a/yang/yang-data-util/src/main/java/org/opendaylight/yangtools/yang/data/util/SimpleNodeDataWithSchema.java
+++ b/yang/yang-data-util/src/main/java/org/opendaylight/yangtools/yang/data/util/SimpleNodeDataWithSchema.java
@@ -7,8 +7,17 @@
  */
 package org.opendaylight.yangtools.yang.data.util;
 
+import static java.util.Objects.requireNonNull;
+
 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
 
+/**
+ * Utility class used for tracking parser state as needed by a StAX-like parser.
+ * This class is to be used only by respective XML and JSON parsers in yang-data-codec-xml and yang-data-codec-gson.
+ *
+ * <p>
+ * Represents a simple node with value (anyxml, leaf, leaf-list entry).
+ */
 public abstract class SimpleNodeDataWithSchema extends AbstractNodeDataWithSchema {
 
     private Object value;
@@ -18,11 +27,10 @@ public abstract class SimpleNodeDataWithSchema extends AbstractNodeDataWithSchem
     }
 
     public void setValue(final Object value) {
-        this.value = value;
+        this.value = requireNonNull(value);
     }
 
     public Object getValue() {
         return value;
     }
-
 }