BUG-4295: instantiate MERGE operations lazily

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

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/UnkeyedListModificationStrategy.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/UnkeyedListModificationStrategy.java
index 82f4e9814de1fb89aef6212e14e16521bbe7acee..dacba5aefe3b295d08f1bd565be5be61f677b077 100644 (file)
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/UnkeyedListModificationStrategy.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/UnkeyedListModificationStrategy.java
@@ -14,7 +14,7 @@ import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgum
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.IncorrectDataStructureException;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.MutableTreeNode;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNode;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNodeFactory;
@@ -27,8 +27,8 @@ final class UnkeyedListModificationStrategy extends SchemaAwareApplyOperation {
 
     private final Optional<ModificationApplyOperation> entryStrategy;
 
-    UnkeyedListModificationStrategy(final ListSchemaNode schema) {
-        entryStrategy = Optional.<ModificationApplyOperation> of(new UnkeyedListItemModificationStrategy(schema));
+    UnkeyedListModificationStrategy(final ListSchemaNode schema, final TreeType treeType) {
+        entryStrategy = Optional.<ModificationApplyOperation> of(new UnkeyedListItemModificationStrategy(schema, treeType));
     }
 
     @Override
@@ -37,14 +37,12 @@ final class UnkeyedListModificationStrategy extends SchemaAwareApplyOperation {
     }
 
     @Override
-    protected TreeNode applyMerge(final ModifiedNode modification, final TreeNode currentMeta,
-            final Version version) {
-        modification.resolveModificationType(ModificationType.WRITE);
-        return applyWrite(modification, Optional.of(currentMeta), version);
+    protected TreeNode applyMerge(final ModifiedNode modification, final TreeNode currentMeta, final Version version) {
+        throw new IllegalStateException("Invalid merge into unkeyed list");
     }
 
     @Override
-    protected TreeNode applySubtreeChange(final ModifiedNode modification,
+    protected TreeNode applyTouch(final ModifiedNode modification,
             final TreeNode currentMeta, final Version version) {
         throw new UnsupportedOperationException("UnkeyedList does not support subtree change.");
     }
@@ -94,11 +92,11 @@ final class UnkeyedListModificationStrategy extends SchemaAwareApplyOperation {
     private TreeNode mutateChildren(final MutableTreeNode meta, final NormalizedNodeContainerBuilder data,
         final Version nodeVersion, final Iterable<ModifiedNode> modifications) {
 
-        for (ModifiedNode mod : modifications) {
+        for (final ModifiedNode mod : modifications) {
             final PathArgument id = mod.getIdentifier();
             final Optional<TreeNode> cm = meta.getChild(id);
 
-            Optional<TreeNode> result = resolveChildOperation(id).apply(mod, cm, nodeVersion);
+            final Optional<TreeNode> result = resolveChildOperation(id).apply(mod, cm, nodeVersion);
             if (result.isPresent()) {
                 final TreeNode tn = result.get();
                 meta.addChild(tn);
@@ -122,13 +120,24 @@ final class UnkeyedListModificationStrategy extends SchemaAwareApplyOperation {
     }
 
     @Override
-    protected void verifyWrittenStructure(final NormalizedNode<?, ?> writtenValue) {
+    protected void verifyStructure(final NormalizedNode<?, ?> writtenValue, final boolean verifyChildren) {
 
     }
 
     @Override
-    protected void checkSubtreeModificationApplicable(final YangInstanceIdentifier path, final NodeModification modification,
+    void recursivelyVerifyStructure(NormalizedNode<?, ?> value) {
+        // NOOP
+    }
+
+    @Override
+    protected void checkTouchApplicable(final YangInstanceIdentifier path, final NodeModification modification,
             final Optional<TreeNode> current) throws IncorrectDataStructureException {
         throw new IncorrectDataStructureException(path, "Subtree modification is not allowed.");
     }
+
+    @Override
+    void mergeIntoModifiedNode(final ModifiedNode node, final NormalizedNode<?, ?> value, final Version version) {
+        // Unkeyed lists are always replaced
+        node.write(value);
+    }
 }