Follow-up to protobuff deprecation

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/ReadData.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/ReadData.java
index d743d99fcc12cee6b4da25d306d9d97a567ede0a..6a01f281aa8c7539ad7f73d2f28b42d8d6f04c62 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/ReadData.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/ReadData.java
@@ -8,30 +8,65 @@
 
 package org.opendaylight.controller.cluster.datastore.messages;
 
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.SettableFuture;
+import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
 import org.opendaylight.controller.cluster.datastore.util.InstanceIdentifierUtils;
+import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
 import org.opendaylight.controller.protobuff.messages.transaction.ShardTransactionMessages;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 
-public class ReadData {
-  public static final Class SERIALIZABLE_CLASS = ShardTransactionMessages.ReadData.class;
-  private final YangInstanceIdentifier path;
+public class ReadData extends AbstractRead<Optional<NormalizedNode<?, ?>>> {
+    private static final long serialVersionUID = 1L;
 
-  public ReadData(YangInstanceIdentifier path) {
-    this.path = path;
-  }
+    public ReadData() {
+    }
 
-  public YangInstanceIdentifier getPath() {
-    return path;
-  }
+    public ReadData(final YangInstanceIdentifier path, short version) {
+        super(path, version);
+    }
 
-  public Object toSerializable(){
-    return ShardTransactionMessages.ReadData.newBuilder()
-        .setInstanceIdentifierPathArguments(InstanceIdentifierUtils.toSerializable(path))
-        .build();
-  }
+    @Deprecated
+    @Override
+    protected Object newLegacySerializedInstance() {
+        return ShardTransactionMessages.ReadData.newBuilder()
+                .setInstanceIdentifierPathArguments(InstanceIdentifierUtils.toSerializable(getPath())).build();
+    }
 
-  public static ReadData fromSerializable(Object serializable){
-    ShardTransactionMessages.ReadData o = (ShardTransactionMessages.ReadData) serializable;
-    return new ReadData(InstanceIdentifierUtils.fromSerializable(o.getInstanceIdentifierPathArguments()));
-  }
+    @Override
+    public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> apply(DOMStoreReadTransaction readDelegate) {
+        return readDelegate.read(getPath());
+    }
+
+    @Override
+    public void processResponse(Object readResponse, SettableFuture<Optional<NormalizedNode<?, ?>>> returnFuture) {
+        if(ReadDataReply.isSerializedType(readResponse)) {
+            ReadDataReply reply = ReadDataReply.fromSerializable(readResponse);
+            returnFuture.set(Optional.<NormalizedNode<?, ?>> fromNullable(reply.getNormalizedNode()));
+        } else {
+            returnFuture.setException(new ReadFailedException("Invalid response reading data for path " + getPath()));
+        }
+    }
+
+    @Override
+    protected AbstractRead<Optional<NormalizedNode<?, ?>>> newInstance(short withVersion) {
+        return new ReadData(getPath(), withVersion);
+    }
+
+    public static ReadData fromSerializable(final Object serializable) {
+        if(serializable instanceof ReadData) {
+            return (ReadData)serializable;
+        } else {
+            ShardTransactionMessages.ReadData o = (ShardTransactionMessages.ReadData)serializable;
+            return new ReadData(InstanceIdentifierUtils.fromSerializable(o.getInstanceIdentifierPathArguments()),
+                    DataStoreVersions.LITHIUM_VERSION);
+        }
+    }
+
+    public static boolean isSerializedType(Object message) {
+        return message instanceof ReadData || message instanceof ShardTransactionMessages.ReadData;
+    }
 }