X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-common-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fcommon%2Fapi%2Fdata%2FTransactionChain.java;h=e7e0eb0ff87e424973de4b9c9d6fdf9111ccae4c;hp=d542935dd6dbf0fdb91ce72b273d6bc9c87b2668;hb=9fda938ef6dc037ef1c5a9fbed25469d4a532150;hpb=9b07bd85d10b509d29b70b1e43b1919c5b4bcbb2

diff --git a/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/TransactionChain.java b/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/TransactionChain.java
index d542935dd6..e7e0eb0ff8 100644
--- a/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/TransactionChain.java
+++ b/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/TransactionChain.java
@@ -13,17 +13,34 @@ import org.opendaylight.yangtools.concepts.Path;
  * A chain of transactions. Transactions in a chain need to be committed in sequence and each
  * transaction should see the effects of previous transactions as if they happened. A chain
  * makes no guarantees of atomicity, in fact transactions are committed as soon as possible.
+ *
  */
-public interface TransactionChain<P extends Path<P>, D> extends AutoCloseable {
+public interface TransactionChain<P extends Path<P>, D> extends AutoCloseable, AsyncDataTransactionFactory<P, D> {
+
     /**
-     * Create a new transaction which will continue the chain. The previous transaction
-     * has to be either COMMITTED or CANCELLED.
+     * Create a new read only transaction which will continue the chain.
+     * The previous read-write transaction has to be either COMMITED or CANCELLED.
      *
      * @return New transaction in the chain.
-     * @throws IllegalStateException if the previous transaction was not COMMITTED or CANCELLED.
+     * @throws IllegalStateException if the previous transaction was not COMMITED
+     *    or CANCELLED.
      * @throws TransactionChainClosedException if the chain has been closed.
      */
-    DataModification<P, D> newTransaction();
+    @Override
+    public AsyncReadTransaction<P, D> newReadOnlyTransaction();
+
+
+    /**
+     * Create a new read write transaction which will continue the chain.
+     * The previous read-write transaction has to be either COMMITED or CANCELLED.
+     *
+     * @return New transaction in the chain.
+     * @throws IllegalStateException if the previous transaction was not COMMITTED
+     *    or CANCELLED.
+     * @throws TransactionChainClosedException if the chain has been closed.
+     */
+    @Override
+    public AsyncReadWriteTransaction<P, D> newReadWriteTransaction();
 
     @Override
     void close();