Deprecate DCL in favor of DTCL

[controller.git] / opendaylight / md-sal / sal-binding-api / src / main / java / org / opendaylight / controller / md / sal / binding / api / DataObjectModification.java

diff --git a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/DataObjectModification.java b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/DataObjectModification.java
index 2eee0e8099923993e7ca57dfd89747a103c4cd0e..afeb21c5309c819e0b1faafca2ac2e156761d3dc 100644 (file)
--- a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/DataObjectModification.java
+++ b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/DataObjectModification.java
@@ -3,15 +3,19 @@
  *
  * 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.
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
  */
+
 package org.opendaylight.controller.md.sal.binding.api;
 
 import java.util.Collection;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
-import org.opendaylight.yangtools.concepts.Identifiable;
+import org.opendaylight.yangtools.yang.binding.Augmentation;
+import org.opendaylight.yangtools.yang.binding.ChildOf;
 import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.Identifiable;
+import org.opendaylight.yangtools.yang.binding.Identifier;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
 
 /**
@@ -20,7 +24,7 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
  * Represents modification of Data Object.
  *
  */
-public interface DataObjectModification<T extends DataObject> extends Identifiable<PathArgument> {
+public interface DataObjectModification<T extends DataObject> extends org.opendaylight.yangtools.concepts.Identifiable<PathArgument> {
 
     enum ModificationType {
         /**
@@ -62,7 +66,17 @@ public interface DataObjectModification<T extends DataObject> extends Identifiab
     @Nonnull ModificationType getModificationType();
 
     /**
-     * Returns after state of top level container.
+     * Returns before-state of top level container. Implementations are encouraged,
+     * but not required to provide this state.
+     *
+     * @param root Class representing data container
+     * @return State of object before modification. Null if subtree was not present,
+     *         or the implementation cannot provide the state.
+     */
+    @Nullable T getDataBefore();
+
+    /**
+     * Returns after-state of top level container.
      *
      * @param root Class representing data container
      * @return State of object after modification. Null if subtree is not present.
@@ -76,5 +90,56 @@ public interface DataObjectModification<T extends DataObject> extends Identifiab
      */
     @Nonnull Collection<DataObjectModification<? extends DataObject>> getModifiedChildren();
 
+    /**
+     * Returns container child modification if {@code child} was modified by this
+     * modification.
+     *
+     * For accessing all modified list items consider iterating over {@link #getModifiedChildren()}.
+     *
+     * @param child Type of child - must be only container
+     * @return Modification of {@code child} if {@code child} was modified, null otherwise.
+     * @throws IllegalArgumentException If supplied {@code child} class is not valid child according
+     *         to generated model.
+     */
+    @Nullable <C extends ChildOf<? super T>> DataObjectModification<C> getModifiedChildContainer(@Nonnull Class<C> child);
+
+    /**
+     * Returns augmentation child modification if {@code augmentation} was modified by this
+     * modification.
+     *
+     * For accessing all modified list items consider iterating over {@link #getModifiedChildren()}.
+     *
+     * @param augmentation Type of augmentation - must be only container
+     * @return Modification of {@code augmentation} if {@code augmentation} was modified, null otherwise.
+     * @throws IllegalArgumentException If supplied {@code augmentation} class is not valid augmentation
+     *         according to generated model.
+     */
+    @Nullable <C extends Augmentation<T> & DataObject> DataObjectModification<C> getModifiedAugmentation(@Nonnull Class<C> augmentation);
+
+
+    /**
+     * Returns child list item modification if {@code child} was modified by this modification.
+     *
+     * @param listItem Type of list item - must be list item with key
+     * @param listKey List item key
+     * @return Modification of {@code child} if {@code child} was modified, null otherwise.
+     * @throws IllegalArgumentException If supplied {@code listItem} class is not valid child according
+     *         to generated model.
+     */
+    <C extends Identifiable<K> & ChildOf<? super T>, K extends Identifier<C>> DataObjectModification<C> getModifiedChildListItem(
+            @Nonnull Class<C> listItem,@Nonnull  K listKey);
+
+    /**
+     * Returns a child modification if a node identified by {@code childArgument} was modified by
+     * this modification.
+     *
+     * @param childArgument Path Argument of child node
+     * @return Modification of child identified by {@code childArgument} if {@code childArgument}
+     *         was modified, null otherwise.
+     * @throws IllegalArgumentException If supplied path argument is not valid child according to
+     *         generated model.
+     *
+     */
+    @Nullable DataObjectModification<? extends DataObject> getModifiedChild(PathArgument childArgument);
 
 }