X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-binding-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fbinding%2Fapi%2FWriteTransaction.java;h=a6ba2e2799b99f884c119dae6ef67e44bd85a562;hp=0cef81d35922650357ee4bd7e502b5c79f11a3f8;hb=45d8b39b7584805d173a143e77dbff671b60f97f;hpb=bd165724c2279b280cb6ff20543f899f68e551c7

diff --git a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/WriteTransaction.java b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/WriteTransaction.java
index 0cef81d359..a6ba2e2799 100644
--- a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/WriteTransaction.java
+++ b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/WriteTransaction.java
@@ -18,8 +18,110 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  * For more information on usage and examples, please see the documentation in {@link AsyncWriteTransaction}.
  */
 public interface WriteTransaction extends AsyncWriteTransaction<InstanceIdentifier<?>, DataObject> {
-    @Override
-    void put(LogicalDatastoreType store, InstanceIdentifier<?> path, DataObject data);
+
+    /**
+     * Stores a piece of data at the specified path. This acts as an add / replace
+     * operation, which is to say that whole subtree will be replaced by the specified data.
+     * * <p>
+     * This method does not automatically create missing parent nodes. It is equivalent to invoking
+     * {@link #put(LogicalDatastoreType, InstanceIdentifier, DataObject, boolean)}
+     * with <code>createMissingParents</code> set to false.
+     * <p>
+     * For more information on usage and examples, please see the documentation in {@link AsyncWriteTransaction}.
+     * <p>
+     * If you need to make sure that a parent object exists but you do not want modify
+     * its pre-existing state by using put, consider using {@link #merge} instead.
+     *
+     * @param store
+     *            the logical data store which should be modified
+     * @param path
+     *            the data object path
+     * @param data
+     *            the data object to be written to the specified path
+     * @throws IllegalStateException
+     *             if the transaction has already been submitted
+     */
+    <T extends DataObject> void put(LogicalDatastoreType store, InstanceIdentifier<T> path, T data);
+
+
+    /**
+     * Stores a piece of data at the specified path. This acts as an add /
+     * replace operation, which is to say that whole subtree will be replaced by
+     * the specified data.
+     * <p>
+     * For more information on usage and examples, please see the documentation
+     * in {@link AsyncWriteTransaction}.
+     * <p>
+     * If you need to make sure that a parent object exists but you do not want
+     * modify its pre-existing state by using put, consider using {@link #merge}
+     * instead.
+     *
+     * Note: Using <code>createMissingParents</code> with value true, may
+     * introduce garbage in data store, or recreate nodes, which were deleted by
+     * previous transaction.
+     *
+     * @param store
+     *            the logical data store which should be modified
+     * @param path
+     *            the data object path
+     * @param data
+     *            the data object to be written to the specified path
+     * @param createMissingParents
+     *            if true, any missing parent nodes will be automatically
+     *            created using a merge operation.
+     * @throws IllegalStateException
+     *             if the transaction has already been submitted
+     */
+    <T extends DataObject> void put(LogicalDatastoreType store, InstanceIdentifier<T> path, T data,
+            boolean createMissingParents);
+
+    /**
+     * Merges a piece of data with the existing data at a specified path. Any pre-existing data
+     * which is not explicitly overwritten will be preserved. This means that if you store a container,
+     * its child lists will be merged.
+     * <p>
+     * This method does not automatically create missing parent nodes. It is equivalent to invoking
+     * {@link #merge(LogicalDatastoreType, InstanceIdentifier, DataObject, boolean)}
+     * with <code>createMissingParents</code> set to false.
+     * <p>
+     * For more information on usage and examples, please see the documentation in {@link AsyncWriteTransaction}.
+     *<p>
+     * If you require an explicit replace operation, use {@link #put} instead.
+     * @param store
+     *            the logical data store which should be modified
+     * @param path
+     *            the data object path
+     * @param data
+     *            the data object to be merged to the specified path
+     * @throws IllegalStateException
+     *             if the transaction has already been submitted
+     */
+    <T extends DataObject> void merge(LogicalDatastoreType store, InstanceIdentifier<T> path, T data);
+
+    /**
+     * Merges a piece of data with the existing data at a specified path. Any
+     * pre-existing data which is not explicitly overwritten will be preserved.
+     * This means that if you store a container, its child lists will be merged.
+     * <p>
+     * For more information on usage and examples, please see the documentation
+     * in {@link AsyncWriteTransaction}.
+     * <p>
+     * If you require an explicit replace operation, use {@link #put} instead.
+     *
+     * @param store
+     *            the logical data store which should be modified
+     * @param path
+     *            the data object path
+     * @param data
+     *            the data object to be merged to the specified path
+     * @param createMissingParents
+     *            if true, any missing parent nodes will be automatically created
+     *            using a merge operation.
+     * @throws IllegalStateException
+     *             if the transaction has already been submitted
+     */
+    <T extends DataObject> void merge(LogicalDatastoreType store, InstanceIdentifier<T> path, T data,
+            boolean createMissingParents);
 
     @Override
     void delete(LogicalDatastoreType store, InstanceIdentifier<?> path);