Merge "Refactor TransactionProxy"

[controller.git] / opendaylight / md-sal / sal-netconf-connector / src / main / java / org / opendaylight / controller / sal / connect / netconf / sal / tx / NetconfDeviceReadWriteTx.java

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 3d2c3b9d44b95fc90355ba7ce1085b1749520b9f..11362a2f9b84d5fe71013a505aad94dce4ed98ec 100644 (file)
--- 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;