X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-netconf-connector%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fsal%2Fconnect%2Fnetconf%2Fsal%2Ftx%2FNetconfDeviceReadOnlyTx.java;h=6c46bed7626f27fd86d1f4b11c9462bbda395611;hp=7b43e1702872679523568b228c9e4f74131ef75a;hb=971b179000ef1cc56699de35061cf6f97d4cf36f;hpb=7feea9765c299cae1a462a5e21aee4ecd6144528

diff --git a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/tx/NetconfDeviceReadOnlyTx.java b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/tx/NetconfDeviceReadOnlyTx.java
index 7b43e17028..6c46bed762 100644
--- a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/tx/NetconfDeviceReadOnlyTx.java
+++ b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/tx/NetconfDeviceReadOnlyTx.java
@@ -7,12 +7,6 @@
  */
 package org.opendaylight.controller.sal.connect.netconf.sal.tx;
 
-import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.CONFIG_SOURCE_RUNNING;
-import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.NETCONF_DATA_QNAME;
-import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.NETCONF_GET_CONFIG_QNAME;
-import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.NETCONF_GET_QNAME;
-import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.toFilterStructure;
-
 import com.google.common.base.Function;
 import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
@@ -35,6 +29,14 @@ import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.concurrent.ExecutionException;
+
+import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.CONFIG_SOURCE_RUNNING;
+import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.NETCONF_DATA_QNAME;
+import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.NETCONF_GET_CONFIG_QNAME;
+import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.NETCONF_GET_QNAME;
+import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.toFilterStructure;
+
 
 public final class NetconfDeviceReadOnlyTx implements DOMDataReadOnlyTransaction {
 
@@ -136,6 +138,19 @@ public final class NetconfDeviceReadOnlyTx implements DOMDataReadOnlyTransaction
         throw new IllegalArgumentException(String.format("%s, Cannot read data %s for %s datastore, unknown datastore type", id, path, store));
     }
 
+    @Override public CheckedFuture<Boolean, ReadFailedException> exists(
+        LogicalDatastoreType store,
+        YangInstanceIdentifier path) {
+        CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException>
+            data = read(store, path);
+
+        try {
+            return Futures.immediateCheckedFuture(data.get().isPresent());
+        } catch (InterruptedException | ExecutionException e) {
+            return Futures.immediateFailedCheckedFuture(new ReadFailedException("Exists failed",e));
+        }
+    }
+
     static YangInstanceIdentifier toLegacyPath(final DataNormalizer normalizer, final YangInstanceIdentifier path, final RemoteDeviceId id) {
         try {
             return normalizer.toLegacy(path);