Remove ask-based protocol client
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / SingleCommitCohortProxy.java
diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/SingleCommitCohortProxy.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/SingleCommitCohortProxy.java
deleted file mode 100644 (file)
index c099c45..0000000
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (c) 2015 Brocade Communications 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.datastore;
-
-import static java.util.Objects.requireNonNull;
-
-import akka.dispatch.OnComplete;
-import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.SettableFuture;
-import java.util.List;
-import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
-import org.opendaylight.controller.cluster.datastore.utils.ActorUtils;
-import org.opendaylight.mdsal.common.api.CommitInfo;
-import org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort;
-import org.opendaylight.yangtools.yang.common.Empty;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import scala.concurrent.Future;
-
-/**
- * A cohort proxy implementation for a single-shard transaction commit. If the transaction was a direct commit
- * to the shard, this implementation elides the CanCommitTransaction and CommitTransaction messages to the
- * shard as an optimization.
- *
- * @author Thomas Pantelis
- */
-class SingleCommitCohortProxy extends AbstractThreePhaseCommitCohort<Object> {
-    private static final Logger LOG = LoggerFactory.getLogger(SingleCommitCohortProxy.class);
-
-    private final ActorUtils actorUtils;
-    private final Future<Object> cohortFuture;
-    private final TransactionIdentifier transactionId;
-    private volatile DOMStoreThreePhaseCommitCohort delegateCohort = NoOpDOMStoreThreePhaseCommitCohort.INSTANCE;
-    private final OperationCallback.Reference operationCallbackRef;
-
-    SingleCommitCohortProxy(final ActorUtils actorUtils, final Future<Object> cohortFuture,
-            final TransactionIdentifier transactionId, final OperationCallback.Reference operationCallbackRef) {
-        this.actorUtils = actorUtils;
-        this.cohortFuture = cohortFuture;
-        this.transactionId = requireNonNull(transactionId);
-        this.operationCallbackRef = operationCallbackRef;
-    }
-
-    @Override
-    public ListenableFuture<Boolean> canCommit() {
-        LOG.debug("Tx {} canCommit", transactionId);
-
-        final SettableFuture<Boolean> returnFuture = SettableFuture.create();
-
-        cohortFuture.onComplete(new OnComplete<>() {
-            @Override
-            public void onComplete(final Throwable failure, final Object cohortResponse) {
-                if (failure != null) {
-                    operationCallbackRef.get().failure();
-                    returnFuture.setException(failure);
-                    return;
-                }
-
-                operationCallbackRef.get().success();
-
-                LOG.debug("Tx {} successfully completed direct commit", transactionId);
-
-                // The Future was the result of a direct commit to the shard, essentially eliding the
-                // front-end 3PC coordination. We don't really care about the specific Future
-                // response object, only that it completed successfully. At this point the Tx is complete
-                // so return true. The subsequent preCommit and commit phases will be no-ops, ie return
-                // immediate success, to complete the 3PC for the front-end.
-                returnFuture.set(Boolean.TRUE);
-            }
-        }, actorUtils.getClientDispatcher());
-
-        return returnFuture;
-    }
-
-    @Override
-    public ListenableFuture<Empty> preCommit() {
-        return delegateCohort.preCommit();
-    }
-
-    @Override
-    public ListenableFuture<Empty> abort() {
-        return delegateCohort.abort();
-    }
-
-    @Override
-    public ListenableFuture<? extends CommitInfo> commit() {
-        return delegateCohort.commit();
-    }
-
-    @Override
-    List<Future<Object>> getCohortFutures() {
-        return List.of(cohortFuture);
-    }
-}