X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2Fmessages%2FAbstractRead.java;h=5b92545c82ad132f45256962fb01eab93dbf6ad2;hp=c1d83e989184a7795cb5b987438d4a562b67659b;hb=6a32d897d2dcb4fa54977b3b2defe76dc0a5d5e2;hpb=74926cb05f2e5e4937658ca61444f7d7c846eb00

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/AbstractRead.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/AbstractRead.java
index c1d83e9891..5b92545c82 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/AbstractRead.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/AbstractRead.java
@@ -8,10 +8,13 @@
 
 package org.opendaylight.controller.cluster.datastore.messages;
 
-import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.FluentFuture;
 import com.google.common.util.concurrent.SettableFuture;
-import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+import org.opendaylight.controller.cluster.datastore.node.utils.stream.SerializationUtils;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 
 /**
@@ -20,10 +23,16 @@ import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  * @author gwu
  *
  */
-public abstract class AbstractRead<T> implements SerializableMessage {
-    private final YangInstanceIdentifier path;
+public abstract class AbstractRead<T> extends VersionedExternalizableMessage {
+    private static final long serialVersionUID = 1L;
 
-    public AbstractRead(final YangInstanceIdentifier path) {
+    private YangInstanceIdentifier path;
+
+    protected AbstractRead() {
+    }
+
+    public AbstractRead(final YangInstanceIdentifier path, final short version) {
+        super(version);
         this.path = path;
     }
 
@@ -31,8 +40,25 @@ public abstract class AbstractRead<T> implements SerializableMessage {
         return path;
     }
 
-    public abstract CheckedFuture<T, ReadFailedException> apply(DOMStoreReadTransaction readDelegate);
+    @Override
+    public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
+        super.readExternal(in);
+        path = SerializationUtils.deserializePath(in);
+    }
+
+    @Override
+    public void writeExternal(final ObjectOutput out) throws IOException {
+        super.writeExternal(out);
+        SerializationUtils.writePath(out, path);
+    }
+
+    public AbstractRead<T> asVersion(final short version) {
+        return version == getVersion() ? this : newInstance(version);
+    }
+
+    public abstract FluentFuture<T> apply(DOMStoreReadTransaction readDelegate);
 
     public abstract void processResponse(Object reponse, SettableFuture<T> promise);
 
+    protected abstract AbstractRead<T> newInstance(short withVersion);
 }