X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=yang%2Fyang-data-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fyangtools%2Fyang%2Fdata%2Fimpl%2Fschema%2Ftree%2FAlwaysFailOperation.java;h=8ff141f16727a87d7a3974befac89d121aa99a18;hb=40d1fd4719df25c9142997d4c3166b60c6bfc539;hp=8c167905230f2b054799db729b97111893501b57;hpb=2ee38c2f55e4d082619f90f05c194df9d06a5212;p=yangtools.git

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AlwaysFailOperation.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AlwaysFailOperation.java
index 8c16790523..8ff141f167 100644
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AlwaysFailOperation.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AlwaysFailOperation.java
@@ -1,6 +1,12 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
 package org.opendaylight.yangtools.yang.data.impl.schema.tree;
 
-
 import com.google.common.base.Optional;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
@@ -13,21 +19,21 @@ import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.Version;
  * if it does not have a SchemaContext attached and hence cannot
  * perform anything meaningful.
  */
-final class AlwaysFailOperation implements ModificationApplyOperation {
-    public static final ModificationApplyOperation INSTANCE = new AlwaysFailOperation();
+final class AlwaysFailOperation extends ModificationApplyOperation {
+    static final ModificationApplyOperation INSTANCE = new AlwaysFailOperation();
 
     private AlwaysFailOperation() {
 
     }
 
     @Override
-    public Optional<TreeNode> apply(final ModifiedNode modification,
+    Optional<TreeNode> apply(final ModifiedNode modification,
             final Optional<TreeNode> storeMeta, final Version version) {
         throw new IllegalStateException("Schema Context is not available.");
     }
 
     @Override
-    public void checkApplicable(final YangInstanceIdentifier path,final NodeModification modification, final Optional<TreeNode> storeMetadata) {
+    void checkApplicable(final YangInstanceIdentifier path,final NodeModification modification, final Optional<TreeNode> storeMetadata) {
         throw new IllegalStateException("Schema Context is not available.");
     }
 
@@ -37,7 +43,12 @@ final class AlwaysFailOperation implements ModificationApplyOperation {
     }
 
     @Override
-    public void verifyStructure(final ModifiedNode modification) {
+    void verifyStructure(final ModifiedNode modification) {
+        throw new IllegalStateException("Schema Context is not available.");
+    }
+
+    @Override
+    ChildTrackingPolicy getChildPolicy() {
         throw new IllegalStateException("Schema Context is not available.");
     }
 }
\ No newline at end of file