BUG-5280: implement transaction dispatch

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / databroker / actors / dds / ClientTransactionCommitCohort.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/ClientTransactionCommitCohort.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/ClientTransactionCommitCohort.java
new file mode 100644 (file)
index 0000000..2521c38
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/ClientTransactionCommitCohort.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. 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.databroker.actors.dds;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.util.concurrent.ListenableFuture;
+import java.util.Collection;
+import java.util.List;
+
+final class ClientTransactionCommitCohort extends AbstractTransactionCommitCohort {
+    private final List<AbstractProxyTransaction> proxies;
+
+    /**
+     * @param clientTransaction
+     */
+    ClientTransactionCommitCohort(final Collection<AbstractProxyTransaction> proxies) {
+        this.proxies = ImmutableList.copyOf(proxies);
+    }
+
+    @Override
+    public ListenableFuture<Boolean> canCommit() {
+        /*
+         * Issue the request to commit for all participants. We will track the results and report them.
+         */
+        final VotingFuture<Boolean> ret = new VotingFuture<>(Boolean.TRUE, proxies.size());
+        for (AbstractProxyTransaction proxy : proxies) {
+            proxy.canCommit(ret);
+        }
+
+        return ret;
+    }
+
+    @Override
+    public ListenableFuture<Void> preCommit() {
+        final VotingFuture<Void> ret = new VotingFuture<>(null, proxies.size());
+        for (AbstractProxyTransaction proxy : proxies) {
+            proxy.preCommit(ret);
+        }
+
+        return ret;
+    }
+
+    @Override
+    public ListenableFuture<Void> commit() {
+        final VotingFuture<Void> ret = new VotingFuture<>(null, proxies.size());
+        for (AbstractProxyTransaction proxy : proxies) {
+            proxy.doCommit(ret);
+        }
+
+        return ret;
+    }
+
+    @Override
+    public ListenableFuture<Void> abort() {
+        final VotingFuture<Void> ret = new VotingFuture<>(null, proxies.size());
+        for (AbstractProxyTransaction proxy : proxies) {
+            proxy.abort(ret);
+        }
+
+        return ret;
+    }
+}
\ No newline at end of file