Separate out RaftEntryMeta

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/DataExists.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/DataExists.java
index d52daabd845456b990f4f79300906134ec3744bb..6c646f7cc3dd630223287d5cef2dfca6ba959e27 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/DataExists.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/DataExists.java
@@ -5,36 +5,52 @@
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at http://www.eclipse.org/legal/epl-v10.html
  */
-
 package org.opendaylight.controller.cluster.datastore.messages;
 
-import org.opendaylight.controller.cluster.datastore.util.InstanceIdentifierUtils;
-import org.opendaylight.controller.protobuff.messages.transaction.ShardTransactionMessages;
+import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.FluentFuture;
+import com.google.common.util.concurrent.SettableFuture;
+import org.opendaylight.mdsal.common.api.ReadFailedException;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 
-public class DataExists implements SerializableMessage{
+@Deprecated(since = "9.0.0", forRemoval = true)
+public class DataExists extends AbstractRead<Boolean> {
+    private static final long serialVersionUID = 1L;
 
-    public static final Class SERIALIZABLE_CLASS = ShardTransactionMessages.DataExists.class;
+    public DataExists() {
+    }
 
-    private final YangInstanceIdentifier path;
+    public DataExists(final YangInstanceIdentifier path, final short version) {
+        super(path, version);
+    }
 
-    public DataExists(YangInstanceIdentifier path) {
-        this.path = path;
+    @Override
+    public FluentFuture<Boolean> apply(final DOMStoreReadTransaction readDelegate) {
+        return readDelegate.exists(getPath());
     }
 
-    public YangInstanceIdentifier getPath() {
-        return path;
+    @Override
+    public void processResponse(final Object response, final SettableFuture<Boolean> returnFuture) {
+        if (DataExistsReply.isSerializedType(response)) {
+            returnFuture.set(Boolean.valueOf(DataExistsReply.fromSerializable(response).exists()));
+        } else {
+            returnFuture.setException(new ReadFailedException("Invalid response checking exists for path "
+                    + getPath()));
+        }
     }
 
-    @Override public Object toSerializable() {
-        return ShardTransactionMessages.DataExists.newBuilder()
-            .setInstanceIdentifierPathArguments(
-                InstanceIdentifierUtils.toSerializable(path)).build();
+    @Override
+    protected AbstractRead<Boolean> newInstance(final short withVersion) {
+        return new DataExists(getPath(), withVersion);
     }
 
-    public static DataExists fromSerializable(Object serializable){
-        ShardTransactionMessages.DataExists o = (ShardTransactionMessages.DataExists) serializable;
-        return new DataExists(InstanceIdentifierUtils.fromSerializable(o.getInstanceIdentifierPathArguments()));
+    public static DataExists fromSerializable(final Object serializable) {
+        Preconditions.checkArgument(serializable instanceof DataExists);
+        return (DataExists)serializable;
     }
 
+    public static boolean isSerializedType(final Object message) {
+        return message instanceof DataExists;
+    }
 }