X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-netconf-connector%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fsal%2Fconnect%2Fnetconf%2Fsal%2Ftx%2FNetconfDeviceReadWriteTx.java;h=11362a2f9b84d5fe71013a505aad94dce4ed98ec;hb=b30a2df0721908317c9b4770972b5647dfafd3c7;hp=3d2c3b9d44b95fc90355ba7ce1085b1749520b9f;hpb=dcbf09a50b0f7fb437386f0433bd4464db1193de;p=controller.git

diff --git a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/tx/NetconfDeviceReadWriteTx.java b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/tx/NetconfDeviceReadWriteTx.java
index 3d2c3b9d44..11362a2f9b 100644
--- a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/tx/NetconfDeviceReadWriteTx.java
+++ b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/tx/NetconfDeviceReadWriteTx.java
@@ -10,6 +10,7 @@ package org.opendaylight.controller.sal.connect.netconf.sal.tx;
 
 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.ListenableFuture;
 
 import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
@@ -23,6 +24,8 @@ import org.opendaylight.yangtools.yang.common.RpcResult;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 
+import java.util.concurrent.ExecutionException;
+
 public class NetconfDeviceReadWriteTx implements DOMDataReadWriteTransaction {
 
     private final DOMDataReadTransaction delegateReadTx;
@@ -69,6 +72,19 @@ public class NetconfDeviceReadWriteTx implements DOMDataReadWriteTransaction {
         return delegateReadTx.read(store, path);
     }
 
+    @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));
+        }
+    }
+
     @Override
     public Object getIdentifier() {
         return this;