NormalizedNodeAggregator should also report empty

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / persisted / MetadataShardDataTreeSnapshot.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/MetadataShardDataTreeSnapshot.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/MetadataShardDataTreeSnapshot.java
index bd4fd76776316c90563184356063156a1fc5c424..a97f8f46f377f5fd1b8bbd6e05013bb5f5dc243e 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/MetadataShardDataTreeSnapshot.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/MetadataShardDataTreeSnapshot.java
@@ -20,9 +20,12 @@ import java.io.IOException;
 import java.io.ObjectInput;
 import java.io.ObjectOutput;
 import java.io.Serializable;
+import java.io.StreamCorruptedException;
 import java.util.Map;
-import org.opendaylight.controller.cluster.datastore.node.utils.stream.SerializationUtils;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataInput;
+import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataOutput;
+import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeStreamVersion;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -39,7 +42,8 @@ public final class MetadataShardDataTreeSnapshot extends AbstractVersionedShardD
         private static final Logger LOG = LoggerFactory.getLogger(MetadataShardDataTreeSnapshot.class);
 
         private Map<Class<? extends ShardDataTreeSnapshotMetadata<?>>, ShardDataTreeSnapshotMetadata<?>> metadata;
-        private NormalizedNode<?, ?> rootNode;
+        private NormalizedNodeStreamVersion version;
+        private NormalizedNode rootNode;
 
         // checkstyle flags the public modifier as redundant which really doesn't make sense since it clearly isn't
         // redundant. It is explicitly needed for Java serialization to be able to create instances via reflection.
@@ -51,6 +55,7 @@ public final class MetadataShardDataTreeSnapshot extends AbstractVersionedShardD
         Proxy(final MetadataShardDataTreeSnapshot snapshot) {
             this.rootNode = snapshot.getRootNode().get();
             this.metadata = snapshot.getMetadata();
+            this.version = snapshot.version().getStreamVersion();
         }
 
         @Override
@@ -59,8 +64,10 @@ public final class MetadataShardDataTreeSnapshot extends AbstractVersionedShardD
             for (ShardDataTreeSnapshotMetadata<?> m : metadata.values()) {
                 out.writeObject(m);
             }
-
-            SerializationUtils.writeNormalizedNode(out, rootNode);
+            out.writeBoolean(true);
+            try (NormalizedNodeDataOutput stream = version.newDataOutput(out)) {
+                stream.writeNormalizedNode(rootNode);
+            }
         }
 
         @Override
@@ -81,7 +88,14 @@ public final class MetadataShardDataTreeSnapshot extends AbstractVersionedShardD
             }
 
             metadata = metaBuilder.build();
-            rootNode = SerializationUtils.readNormalizedNode(in).get();
+            final boolean present = in.readBoolean();
+            if (!present) {
+                throw new StreamCorruptedException("Unexpected missing root node");
+            }
+
+            final NormalizedNodeDataInput stream = NormalizedNodeDataInput.newDataInput(in);
+            version = stream.getVersion();
+            rootNode = stream.readNormalizedNode();
         }
 
         private Object readResolve() {
@@ -97,13 +111,13 @@ public final class MetadataShardDataTreeSnapshot extends AbstractVersionedShardD
     private final Map<Class<? extends ShardDataTreeSnapshotMetadata<?>>, ShardDataTreeSnapshotMetadata<?>> metadata;
 
     @SuppressFBWarnings(value = "SE_BAD_FIELD", justification = "See above justification.")
-    private final NormalizedNode<?, ?> rootNode;
+    private final NormalizedNode rootNode;
 
-    public MetadataShardDataTreeSnapshot(final NormalizedNode<?, ?> rootNode) {
+    public MetadataShardDataTreeSnapshot(final NormalizedNode rootNode) {
         this(rootNode, ImmutableMap.of());
     }
 
-    public MetadataShardDataTreeSnapshot(final NormalizedNode<?, ?> rootNode,
+    public MetadataShardDataTreeSnapshot(final NormalizedNode rootNode,
             final Map<Class<? extends ShardDataTreeSnapshotMetadata<?>>, ShardDataTreeSnapshotMetadata<?>> metadata) {
         this.rootNode = requireNonNull(rootNode);
         this.metadata = ImmutableMap.copyOf(metadata);
@@ -114,13 +128,13 @@ public final class MetadataShardDataTreeSnapshot extends AbstractVersionedShardD
     }
 
     @Override
-    NormalizedNode<?, ?> rootNode() {
+    NormalizedNode rootNode() {
         return rootNode;
     }
 
     @Override
     PayloadVersion version() {
-        return PayloadVersion.NEON_SR2;
+        return PayloadVersion.MAGNESIUM;
     }
 
     private Object writeReplace() {