BUG-4684: validate changes against effective state

[yangtools.git] / yang / yang-data-impl / src / main / java / org / opendaylight / yangtools / yang / data / impl / schema / tree / ModificationApplyOperation.java

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/ModificationApplyOperation.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/ModificationApplyOperation.java
index cdeaa7c01adee901b4be7663c3b10afd37caaddf..83c9b6d0411c5146ba156a03a9f7376e9ebebffa 100644 (file)
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/ModificationApplyOperation.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/ModificationApplyOperation.java
@@ -57,16 +57,17 @@ abstract class ModificationApplyOperation implements StoreTreeNode<ModificationA
     abstract Optional<TreeNode> apply(ModifiedNode modification, Optional<TreeNode> storeMeta, Version version);
 
     /**
-    *
-    * Checks if provided node modification could be applied to current metadata node.
-    *
-    * @param modification Modification
-    * @param current Metadata Node to which modification should be applied
-    * @return true if modification is applicable
-    *         false if modification is no applicable
-    * @throws DataValidationFailedException
-    */
-   abstract void checkApplicable(YangInstanceIdentifier path, NodeModification modification, Optional<TreeNode> current) throws DataValidationFailedException;
+     *
+     * Checks if provided node modification could be applied to current metadata node.
+     *
+     * @param modification Modification
+     * @param current Metadata Node to which modification should be applied
+     * @param version
+     * @return true if modification is applicable
+     *         false if modification is no applicable
+     * @throws DataValidationFailedException
+     */
+   abstract void checkApplicable(YangInstanceIdentifier path, NodeModification modification, Optional<TreeNode> current, Version version) throws DataValidationFailedException;
 
     /**
      *
@@ -88,6 +89,17 @@ abstract class ModificationApplyOperation implements StoreTreeNode<ModificationA
      */
     abstract ChildTrackingPolicy getChildPolicy();
 
+    /**
+     * Stage a merge operation into a {@link ModifiedNode} such that it will be processed correctly by
+     * {@link #apply(ModifiedNode, Optional, Version)}. This method is the context which is introducing this operation,
+     * and so any overheads are charged to whoever is in control of the access pattern.
+     *
+     * @param modification Original modification node
+     * @param value Value which should be merge into the modification
+     * @param version Data version as carried in the containing {@link InMemoryDataTreeModification}
+     */
+    abstract void mergeIntoModifiedNode(ModifiedNode modification, NormalizedNode<?, ?> value, Version version);
+
     /**
      * Returns a suboperation for specified tree node
      *
@@ -96,4 +108,6 @@ abstract class ModificationApplyOperation implements StoreTreeNode<ModificationA
      */
     @Override
     public abstract Optional<ModificationApplyOperation> getChild(PathArgument child);
+
+    abstract void recursivelyVerifyStructure(NormalizedNode<?, ?> value);
 }