Merge "BUG-997 Use shared schema context factory in netconf-connector"
[controller.git] / opendaylight / md-sal / sal-netconf-connector / src / main / java / org / opendaylight / controller / sal / connect / netconf / sal / tx / NetconfDeviceReadOnlyTx.java
index 04a99511a1dfaa6154a9894e47906d859de0c199..6c46bed7626f27fd86d1f4b11c9462bbda395611 100644 (file)
@@ -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 {
 
@@ -55,7 +57,7 @@ public final class NetconfDeviceReadOnlyTx implements DOMDataReadOnlyTransaction
         final ListenableFuture<RpcResult<CompositeNode>> future = rpc.invokeRpc(NETCONF_GET_CONFIG_QNAME,
                 NetconfMessageTransformUtil.wrap(NETCONF_GET_CONFIG_QNAME, CONFIG_SOURCE_RUNNING, toFilterStructure(path)));
 
-        ListenableFuture<Optional<NormalizedNode<?, ?>>> transformedFuture = Futures.transform(future, new Function<RpcResult<CompositeNode>, Optional<NormalizedNode<?, ?>>>() {
+        final ListenableFuture<Optional<NormalizedNode<?, ?>>> transformedFuture = Futures.transform(future, new Function<RpcResult<CompositeNode>, Optional<NormalizedNode<?, ?>>>() {
             @Override
             public Optional<NormalizedNode<?, ?>> apply(final RpcResult<CompositeNode> result) {
                 checkReadSuccess(result, path);
@@ -97,7 +99,7 @@ public final class NetconfDeviceReadOnlyTx implements DOMDataReadOnlyTransaction
             final YangInstanceIdentifier path) {
         final ListenableFuture<RpcResult<CompositeNode>> future = rpc.invokeRpc(NETCONF_GET_QNAME, NetconfMessageTransformUtil.wrap(NETCONF_GET_QNAME, toFilterStructure(path)));
 
-        ListenableFuture<Optional<NormalizedNode<?, ?>>> transformedFuture = Futures.transform(future, new Function<RpcResult<CompositeNode>, Optional<NormalizedNode<?, ?>>>() {
+        final ListenableFuture<Optional<NormalizedNode<?, ?>>> transformedFuture = Futures.transform(future, new Function<RpcResult<CompositeNode>, Optional<NormalizedNode<?, ?>>>() {
             @Override
             public Optional<NormalizedNode<?, ?>> apply(final RpcResult<CompositeNode> result) {
                 checkReadSuccess(result, path);
@@ -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);