Refactor IdentifierNamespace

[yangtools.git] / yang / yang-model-api / src / main / java / org / opendaylight / yangtools / yang / model / api / meta / IdentifierNamespace.java

diff --git a/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/meta/IdentifierNamespace.java b/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/meta/IdentifierNamespace.java
index 4f0ed6a3693de8c4dfb4d07cabe0776e36f801a5..91da55e65a2eb0513d13b25aff7704dbcb539e01 100644 (file)
--- a/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/meta/IdentifierNamespace.java
+++ b/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/meta/IdentifierNamespace.java
@@ -7,28 +7,17 @@
  */
 package org.opendaylight.yangtools.yang.model.api.meta;
 
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
+import org.eclipse.jdt.annotation.NonNullByDefault;
 
 /**
- * Model specific namespace which allows access to specific
- *
- * {@link IdentifierNamespace} serves as common superclass for YANG model
- * namespaces, which are type-captured subclasses. This type capture
- * of namespace allows for handy type-safe reading methods
- * such as {@link EffectiveStatement#get(Class, Object)} and still
- * allows introduction of new namespaces without need to change
- * model APIs.
+ * Common base class for various YANG statement namespaces.
  *
  * @param <K> Identifier type
  * @param <V> Value type
  */
-public interface IdentifierNamespace<K,V> {
-    /**
-     * Returns value associated with supplied identifier
-     *
-     * @param identifier Identifier of value
-     * @return value or null, if identifier is not present in namespace.
-     */
-    @Nullable V get(@Nonnull K identifier);
+@NonNullByDefault
+public abstract class IdentifierNamespace<K, V> {
+    protected IdentifierNamespace() {
+        throw new UnsupportedOperationException(getClass() + " should never be instantiated");
+    }
 }