Merge "Bug 2906 - Added support of entering notification by #streamChild()"
[yangtools.git] / yang / yang-data-impl / src / main / java / org / opendaylight / yangtools / yang / data / impl / schema / tree / SchemaAwareApplyOperation.java
index 39c164faf1ecc5d3fb6945e42c8f22155c4d8aab..80ef74cf9a3a8b9bcc44e0fdbec3b514237882db 100644 (file)
@@ -33,41 +33,34 @@ import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-abstract class SchemaAwareApplyOperation implements ModificationApplyOperation {
+abstract class SchemaAwareApplyOperation extends ModificationApplyOperation {
     private static final Logger LOG = LoggerFactory.getLogger(SchemaAwareApplyOperation.class);
 
     public static SchemaAwareApplyOperation from(final DataSchemaNode schemaNode) {
         if (schemaNode instanceof ContainerSchemaNode) {
-            return new DataNodeContainerModificationStrategy.ContainerModificationStrategy((ContainerSchemaNode) schemaNode);
+            return new ContainerModificationStrategy((ContainerSchemaNode) schemaNode);
         } else if (schemaNode instanceof ListSchemaNode) {
             return fromListSchemaNode((ListSchemaNode) schemaNode);
         } else if (schemaNode instanceof ChoiceSchemaNode) {
-            return new NormalizedNodeContainerModificationStrategy.ChoiceModificationStrategy((ChoiceSchemaNode) schemaNode);
+            return new ChoiceModificationStrategy((ChoiceSchemaNode) schemaNode);
         } else if (schemaNode instanceof LeafListSchemaNode) {
             return fromLeafListSchemaNode((LeafListSchemaNode) schemaNode);
         } else if (schemaNode instanceof LeafSchemaNode) {
-            return new ValueNodeModificationStrategy.LeafModificationStrategy((LeafSchemaNode) schemaNode);
+            return new LeafModificationStrategy((LeafSchemaNode) schemaNode);
         }
         throw new IllegalArgumentException("Not supported schema node type for " + schemaNode.getClass());
     }
 
     public static SchemaAwareApplyOperation from(final DataNodeContainer resolvedTree,
             final AugmentationTarget augSchemas, final AugmentationIdentifier identifier) {
-        AugmentationSchema augSchema = null;
-
-        allAugments:
-            for (AugmentationSchema potential : augSchemas.getAvailableAugmentations()) {
-                for (DataSchemaNode child : potential.getChildNodes()) {
-                    if (identifier.getPossibleChildNames().contains(child.getQName())) {
-                        augSchema = potential;
-                        break allAugments;
-                    }
+        for (AugmentationSchema potential : augSchemas.getAvailableAugmentations()) {
+            for (DataSchemaNode child : potential.getChildNodes()) {
+                if (identifier.getPossibleChildNames().contains(child.getQName())) {
+                    return new AugmentationModificationStrategy(potential, resolvedTree);
                 }
             }
-
-        if (augSchema != null) {
-            return new DataNodeContainerModificationStrategy.AugmentationModificationStrategy(augSchema, resolvedTree);
         }
+
         return null;
     }
 
@@ -84,17 +77,17 @@ abstract class SchemaAwareApplyOperation implements ModificationApplyOperation {
             return new UnkeyedListModificationStrategy(schemaNode);
         }
         if (schemaNode.isUserOrdered()) {
-            return new NormalizedNodeContainerModificationStrategy.OrderedMapModificationStrategy(schemaNode);
+            return new OrderedMapModificationStrategy(schemaNode);
         }
 
-        return new NormalizedNodeContainerModificationStrategy.UnorderedMapModificationStrategy(schemaNode);
+        return new UnorderedMapModificationStrategy(schemaNode);
     }
 
     private static SchemaAwareApplyOperation fromLeafListSchemaNode(final LeafListSchemaNode schemaNode) {
         if(schemaNode.isUserOrdered()) {
-            return new NormalizedNodeContainerModificationStrategy.OrderedLeafSetModificationStrategy(schemaNode);
+            return new OrderedLeafSetModificationStrategy(schemaNode);
         } else {
-            return new NormalizedNodeContainerModificationStrategy.UnorderedLeafSetModificationStrategy(schemaNode);
+            return new UnorderedLeafSetModificationStrategy(schemaNode);
         }
     }
 
@@ -112,32 +105,32 @@ abstract class SchemaAwareApplyOperation implements ModificationApplyOperation {
     }
 
     @Override
-    public void verifyStructure(final ModifiedNode modification) throws IllegalArgumentException {
-        if (modification.getType() == ModificationType.WRITE) {
+    void verifyStructure(final ModifiedNode modification) throws IllegalArgumentException {
+        if (modification.getOperation() == LogicalOperation.WRITE) {
             verifyWrittenStructure(modification.getWrittenValue());
         }
     }
 
     @Override
-    public final void checkApplicable(final YangInstanceIdentifier path,final NodeModification modification, final Optional<TreeNode> current) throws DataValidationFailedException {
-        switch (modification.getType()) {
+    final void checkApplicable(final YangInstanceIdentifier path,final NodeModification modification, final Optional<TreeNode> current) throws DataValidationFailedException {
+        switch (modification.getOperation()) {
         case DELETE:
             checkDeleteApplicable(modification, current);
-        case SUBTREE_MODIFIED:
-            checkSubtreeModificationApplicable(path, modification, current);
-            return;
+            break;
+        case TOUCH:
+            checkTouchApplicable(path, modification, current);
+            break;
         case WRITE:
             checkWriteApplicable(path, modification, current);
-            return;
+            break;
         case MERGE:
             checkMergeApplicable(path, modification, current);
-            return;
-        case UNMODIFIED:
-            return;
+            break;
+        case NONE:
+            break;
         default:
-            throw new UnsupportedOperationException("Suplied modification type "+ modification.getType()+ "is not supported.");
+            throw new UnsupportedOperationException("Suplied modification type "+ modification.getOperation()+ " is not supported.");
         }
-
     }
 
     protected void checkMergeApplicable(final YangInstanceIdentifier path, final NodeModification modification, final Optional<TreeNode> current) throws DataValidationFailedException {
@@ -184,21 +177,21 @@ abstract class SchemaAwareApplyOperation implements ModificationApplyOperation {
         }
     }
 
-    boolean isOrdered() {
-        return false;
+    @Override
+    protected ChildTrackingPolicy getChildPolicy() {
+        return ChildTrackingPolicy.UNORDERED;
     }
 
     @Override
-    public final Optional<TreeNode> apply(final ModifiedNode modification,
-            final Optional<TreeNode> currentMeta, final Version version) {
-
-        switch (modification.getType()) {
+    final Optional<TreeNode> apply(final ModifiedNode modification, final Optional<TreeNode> currentMeta, final Version version) {
+        switch (modification.getOperation()) {
         case DELETE:
+            modification.resolveModificationType(ModificationType.DELETE);
             return modification.setSnapshot(Optional.<TreeNode> absent());
-        case SUBTREE_MODIFIED:
+        case TOUCH:
             Preconditions.checkArgument(currentMeta.isPresent(), "Metadata not available for modification",
                     modification);
-            return modification.setSnapshot(Optional.of(applySubtreeChange(modification, currentMeta.get(),
+            return modification.setSnapshot(Optional.of(applyTouch(modification, currentMeta.get(),
                     version)));
         case MERGE:
             final TreeNode result;
@@ -207,27 +200,47 @@ abstract class SchemaAwareApplyOperation implements ModificationApplyOperation {
             if (currentMeta.isPresent()) {
                 result = applyMerge(modification,currentMeta.get(), version);
             } else {
+                modification.resolveModificationType(ModificationType.WRITE);
                 result = applyWrite(modification, currentMeta, version);
             }
 
             return modification.setSnapshot(Optional.of(result));
         case WRITE:
+            modification.resolveModificationType(ModificationType.WRITE);
             return modification.setSnapshot(Optional.of(applyWrite(modification, currentMeta, version)));
-        case UNMODIFIED:
+        case NONE:
+            modification.resolveModificationType(ModificationType.UNMODIFIED);
             return currentMeta;
         default:
             throw new IllegalArgumentException("Provided modification type is not supported.");
         }
     }
 
-    protected abstract TreeNode applyMerge(ModifiedNode modification,
-            TreeNode currentMeta, Version version);
+    /**
+     * Apply a merge operation. Since the result of merge differs based on the data type
+     * being modified, implementations of this method are responsible for calling
+     * {@link ModifiedNode#resolveModificationType(ModificationType)} as appropriate.
+     *
+     * @param modification Modified node
+     * @param currentMeta Store Metadata Node on which NodeModification should be applied
+     * @param version New subtree version of parent node
+     * @return A sealed TreeNode representing applied operation.
+     */
+    protected abstract TreeNode applyMerge(ModifiedNode modification, TreeNode currentMeta, Version version);
 
-    protected abstract TreeNode applyWrite(ModifiedNode modification,
-            Optional<TreeNode> currentMeta, Version version);
+    protected abstract TreeNode applyWrite(ModifiedNode modification, Optional<TreeNode> currentMeta, Version version);
 
-    protected abstract TreeNode applySubtreeChange(ModifiedNode modification,
-            TreeNode currentMeta, Version version);
+    /**
+     * Apply a nested operation. Since there may not actually be a nested operation
+     * to be applied, implementations of this method are responsible for calling
+     * {@link ModifiedNode#resolveModificationType(ModificationType)} as appropriate.
+     *
+     * @param modification Modified node
+     * @param currentMeta Store Metadata Node on which NodeModification should be applied
+     * @param version New subtree version of parent node
+     * @return A sealed TreeNode representing applied operation.
+     */
+    protected abstract TreeNode applyTouch(ModifiedNode modification, TreeNode currentMeta, Version version);
 
     /**
      *
@@ -239,7 +252,7 @@ abstract class SchemaAwareApplyOperation implements ModificationApplyOperation {
      * @throws ConflictingModificationAppliedException If subtree was changed in conflicting way
      * @throws IncorrectDataStructureException If subtree modification is not applicable (e.g. leaf node).
      */
-    protected abstract void checkSubtreeModificationApplicable(YangInstanceIdentifier path, final NodeModification modification,
+    protected abstract void checkTouchApplicable(YangInstanceIdentifier path, final NodeModification modification,
             final Optional<TreeNode> current) throws DataValidationFailedException;
 
     protected abstract void verifyWrittenStructure(NormalizedNode<?, ?> writtenValue);