Specialize TransactionContextWrapper

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DirectTransactionContextWrapper.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DirectTransactionContextWrapper.java
new file mode 100644 (file)
index 0000000..f004088
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DirectTransactionContextWrapper.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2021 PANTHEON.tech, s.r.o. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * 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;
+
+import static java.util.Objects.requireNonNull;
+
+import akka.actor.ActorSelection;
+import java.util.Optional;
+import java.util.SortedSet;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+import org.opendaylight.controller.cluster.datastore.utils.ActorUtils;
+import scala.concurrent.Future;
+
+/**
+ * Direct implementation of TransactionContextWrapper. Operation are executed directly on TransactionContext. Always
+ * has completed context and executes on local shard.
+ */
+final class DirectTransactionContextWrapper extends AbstractTransactionContextWrapper {
+    private final TransactionContext transactionContext;
+
+    DirectTransactionContextWrapper(@NonNull final TransactionIdentifier identifier,
+                                    @NonNull final ActorUtils actorUtils,
+                                    @NonNull final String shardName,
+                                    @NonNull final TransactionContext transactionContext) {
+        super(identifier, actorUtils, shardName);
+        this.transactionContext = requireNonNull(transactionContext);
+    }
+
+    @Override
+    TransactionContext getTransactionContext() {
+        return transactionContext;
+    }
+
+    @Override
+    void maybeExecuteTransactionOperation(final TransactionOperation op) {
+        op.invoke(transactionContext, null);
+    }
+
+    @Override
+    Future<ActorSelection> readyTransaction(final Optional<SortedSet<String>> participatingShardNames) {
+        return transactionContext.readyTransaction(null, participatingShardNames);
+    }
+}