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%2FReadTransaction.java;h=c1efcce02c12dbaa0606a8d3482fe405b50ab499;hp=21bcf23cd468a4f09570a6d8d4c40fb8699bfae2;hb=refs%2Fchanges%2F28%2F83828%2F2;hpb=f1a918f69b787dd422a09e4e8fd83a1d52a72f83 diff --git a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/ReadTransaction.java b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/ReadTransaction.java index 21bcf23cd4..c1efcce02c 100644 --- a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/ReadTransaction.java +++ b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/ReadTransaction.java @@ -9,6 +9,9 @@ package org.opendaylight.controller.md.sal.binding.api; import com.google.common.base.Optional; import com.google.common.util.concurrent.CheckedFuture; +import com.google.common.util.concurrent.Futures; +import com.google.common.util.concurrent.MoreExecutors; +import org.opendaylight.controller.md.sal.common.api.MappingCheckedFuture; import org.opendaylight.controller.md.sal.common.api.data.AsyncReadTransaction; import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType; import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException; @@ -20,20 +23,20 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; * *
* For more information on usage and examples, please see the documentation in {@link AsyncReadTransaction}.
+ *
+ * @deprecated Use {@link org.opendaylight.mdsal.binding.api.ReadTransaction} instead.
*/
+@Deprecated
public interface ReadTransaction extends AsyncReadTransaction
- * If the target is a subtree, then the whole subtree is read (and will be
- * accessible from the returned data object).
*
- * @param store
- * Logical data store from which read should occur.
- * @param path
- * Path which uniquely identifies subtree which client want to
- * read
+ *
+ * If the target is a subtree, then the whole subtree is read (and will be accessible from the returned data
+ * object).
+ *
+ * @param store Logical data store from which read should occur.
+ * @param path Path which uniquely identifies subtree which client want to read
* @return a CheckFuture containing the result of the read. The Future blocks until the
* commit operation is complete. Once complete:
*
+ * Note: a successful result from this method makes no guarantee that a subsequent call to {@link #read}
+ * will succeed. It is possible that the data resides in a data store on a remote node and, if that
+ * node goes down or a network failure occurs, a subsequent read would fail. Another scenario is if
+ * the data is deleted in between the calls to
+ * Default implementation delegates to {@link #read(LogicalDatastoreType, InstanceIdentifier)}, implementations
+ * are advised to provide a more efficient override.
+ *
+ * @param store Logical data store from which read should occur.
+ * @param path Path which uniquely identifies subtree which client want to check existence of
+ * @return a CheckFuture containing the result of the check.
+ *
@@ -45,6 +48,35 @@ public interface ReadTransaction extends AsyncReadTransaction
*/
- exists
and read
+ *
+ *
+ *
+ */
+ default CheckedFuture