import com.google.common.util.concurrent.ListenableFutureTask;
import org.opendaylight.controller.cluster.datastore.messages.CloseTransaction;
import org.opendaylight.controller.cluster.datastore.messages.CreateTransaction;
-import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionReply;
import org.opendaylight.controller.cluster.datastore.messages.DeleteData;
import org.opendaylight.controller.cluster.datastore.messages.MergeData;
import org.opendaylight.controller.cluster.datastore.messages.ReadData;
import org.opendaylight.controller.cluster.datastore.messages.ReadyTransaction;
import org.opendaylight.controller.cluster.datastore.messages.ReadyTransactionReply;
import org.opendaylight.controller.cluster.datastore.messages.WriteData;
+import org.opendaylight.controller.cluster.datastore.shardstrategy.ShardStrategyFactory;
import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+import org.opendaylight.controller.protobuff.messages.transaction.ShardTransactionMessages.CreateTransactionReply;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
-import java.util.concurrent.Executors;
+import java.util.concurrent.ExecutorService;
import java.util.concurrent.atomic.AtomicLong;
/**
* </p>
*/
public class TransactionProxy implements DOMStoreReadWriteTransaction {
-
public enum TransactionType {
READ_ONLY,
WRITE_ONLY,
private static final AtomicLong counter = new AtomicLong();
- private final TransactionType readOnly;
+ private final TransactionType transactionType;
private final ActorContext actorContext;
private final Map<String, ActorSelection> remoteTransactionPaths = new HashMap<>();
private final String identifier;
+ private final ExecutorService executor;
+ private final SchemaContext schemaContext;
public TransactionProxy(
ActorContext actorContext,
- TransactionType readOnly) {
+ TransactionType transactionType,
+ ExecutorService executor,
+ SchemaContext schemaContext
+ ) {
- this.identifier = "transaction-" + counter.getAndIncrement();
- this.readOnly = readOnly;
+ this.identifier = "txn-" + counter.getAndIncrement();
+ this.transactionType = transactionType;
this.actorContext = actorContext;
+ this.executor = executor;
+ this.schemaContext = schemaContext;
+
- Object response = actorContext.executeShardOperation(Shard.DEFAULT_NAME, new CreateTransaction(), ActorContext.ASK_DURATION);
- if(response instanceof CreateTransactionReply){
- CreateTransactionReply reply = (CreateTransactionReply) response;
- remoteTransactionPaths.put(Shard.DEFAULT_NAME, actorContext.actorSelection(reply.getTransactionPath()));
- }
}
@Override
public ListenableFuture<Optional<NormalizedNode<?, ?>>> read(final InstanceIdentifier path) {
+
+ createTransactionIfMissing(actorContext, path);
+
final ActorSelection remoteTransaction = remoteTransactionFromIdentifier(path);
Callable<Optional<NormalizedNode<?,?>>> call = new Callable() {
@Override public Optional<NormalizedNode<?,?>> call() throws Exception {
Object response = actorContext
- .executeRemoteOperation(remoteTransaction, new ReadData(path),
+ .executeRemoteOperation(remoteTransaction, new ReadData(path).toSerializable(),
ActorContext.ASK_DURATION);
- if(response instanceof ReadDataReply){
- ReadDataReply reply = (ReadDataReply) response;
+ if(response.getClass().equals(ReadDataReply.SERIALIZABLE_CLASS)){
+ ReadDataReply reply = ReadDataReply.fromSerializable(schemaContext,path, response);
+ if(reply.getNormalizedNode() == null){
+ return Optional.absent();
+ }
//FIXME : A cast should not be required here ???
return (Optional<NormalizedNode<?, ?>>) Optional.of(reply.getNormalizedNode());
}
ListenableFutureTask<Optional<NormalizedNode<?, ?>>>
future = ListenableFutureTask.create(call);
- //FIXME : Use a thread pool here
- Executors.newSingleThreadExecutor().submit(future);
+ executor.submit(future);
return future;
}
@Override
public void write(InstanceIdentifier path, NormalizedNode<?, ?> data) {
+
+ createTransactionIfMissing(actorContext, path);
+
final ActorSelection remoteTransaction = remoteTransactionFromIdentifier(path);
- remoteTransaction.tell(new WriteData(path, data), null);
+ remoteTransaction.tell(new WriteData(path, data, schemaContext).toSerializable(), null);
}
@Override
public void merge(InstanceIdentifier path, NormalizedNode<?, ?> data) {
+
+ createTransactionIfMissing(actorContext, path);
+
final ActorSelection remoteTransaction = remoteTransactionFromIdentifier(path);
- remoteTransaction.tell(new MergeData(path, data), null);
+ remoteTransaction.tell(new MergeData(path, data, schemaContext).toSerializable(), null);
}
@Override
public void delete(InstanceIdentifier path) {
+
+ createTransactionIfMissing(actorContext, path);
+
final ActorSelection remoteTransaction = remoteTransactionFromIdentifier(path);
- remoteTransaction.tell(new DeleteData(path), null);
+ remoteTransaction.tell(new DeleteData(path).toSerializable(), null);
}
@Override
}
}
- return new ThreePhaseCommitCohortProxy(cohortPaths);
+ return new ThreePhaseCommitCohortProxy(actorContext, cohortPaths, identifier, executor);
}
@Override
}
private String shardNameFromIdentifier(InstanceIdentifier path){
- return Shard.DEFAULT_NAME;
+ return ShardStrategyFactory.getStrategy(path).findShard(path);
+ }
+
+ private void createTransactionIfMissing(ActorContext actorContext, InstanceIdentifier path) {
+ String shardName = ShardStrategyFactory.getStrategy(path).findShard(path);
+
+ ActorSelection actorSelection =
+ remoteTransactionPaths.get(shardName);
+
+ if(actorSelection != null){
+ // A transaction already exists with that shard
+ return;
+ }
+
+ Object response = actorContext.executeShardOperation(shardName, new CreateTransaction(identifier), ActorContext.ASK_DURATION);
+ if(response instanceof CreateTransactionReply){
+ CreateTransactionReply reply = (CreateTransactionReply) response;
+ remoteTransactionPaths.put(shardName, actorContext.actorSelection(reply.getTransactionActorPath()));
+ }
}
+
+
}