package org.opendaylight.controller.cluster.datastore.messages;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
import org.opendaylight.controller.protobuff.messages.transaction.ShardTransactionMessages;
-public class DataExistsReply implements SerializableMessage{
- public static final Class<ShardTransactionMessages.DataExistsReply> SERIALIZABLE_CLASS =
- ShardTransactionMessages.DataExistsReply.class;
+public class DataExistsReply extends VersionedExternalizableMessage {
+ private static final long serialVersionUID = 1L;
- private final boolean exists;
+ private static final ShardTransactionMessages.DataExistsReply SERIALIZABLE_TRUE =
+ ShardTransactionMessages.DataExistsReply.newBuilder().setExists(true).build();
+ private static final ShardTransactionMessages.DataExistsReply SERIALIZABLE_FALSE =
+ ShardTransactionMessages.DataExistsReply.newBuilder().setExists(false).build();
- public DataExistsReply(final boolean exists) {
+ private boolean exists;
+
+ public DataExistsReply() {
+ }
+
+ public DataExistsReply(final boolean exists, final short version) {
+ super(version);
this.exists = exists;
}
return exists;
}
- @Override public Object toSerializable() {
- return ShardTransactionMessages.DataExistsReply.newBuilder()
- .setExists(exists).build();
+ @Override
+ public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
+ super.readExternal(in);
+ exists = in.readBoolean();
+ }
+
+ @Override
+ public void writeExternal(ObjectOutput out) throws IOException {
+ super.writeExternal(out);
+ out.writeBoolean(exists);
+ }
+
+ @Override
+ public Object toSerializable() {
+ if(getVersion() >= DataStoreVersions.BORON_VERSION) {
+ return this;
+ } else {
+ return exists ? SERIALIZABLE_TRUE : SERIALIZABLE_FALSE;
+ }
}
- public static DataExistsReply fromSerializable(final Object serializable){
- ShardTransactionMessages.DataExistsReply o = (ShardTransactionMessages.DataExistsReply) serializable;
- return new DataExistsReply(o.getExists());
+ public static DataExistsReply fromSerializable(final Object serializable) {
+ if(serializable instanceof DataExistsReply) {
+ return (DataExistsReply)serializable;
+ } else {
+ ShardTransactionMessages.DataExistsReply o = (ShardTransactionMessages.DataExistsReply) serializable;
+ return new DataExistsReply(o.getExists(), DataStoreVersions.LITHIUM_VERSION);
+ }
}
+ public static boolean isSerializedType(Object message) {
+ return message instanceof DataExistsReply || message instanceof ShardTransactionMessages.DataExistsReply;
+ }
}