X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-dom-broker%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fdom%2Fbroker%2Fimpl%2FDOMForwardedWriteTransaction.java;h=58c91001c4e8887fec5a297507567fd69dc3a649;hb=HEAD;hp=8c84af11ff2ec7aa44eb5b5866de6c0203f14453;hpb=28b6378c12b00eb9110e87a15d6a829c33945c66;p=controller.git
diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMForwardedWriteTransaction.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMForwardedWriteTransaction.java
deleted file mode 100644
index 8c84af11ff..0000000000
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMForwardedWriteTransaction.java
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * Copyright (c) 2014 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.md.sal.dom.broker.impl;
-
-import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.CheckedFuture;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Map;
-import java.util.concurrent.Future;
-import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
-import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
-import org.opendaylight.controller.md.sal.common.impl.service.AbstractDataTransaction;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
-import org.opendaylight.yangtools.yang.common.RpcResult;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Read-Write Transaction, which is composed of several
- * {@link DOMStoreWriteTransaction} transactions. A sub-transaction is selected by
- * {@link LogicalDatastoreType} type parameter in:
- *
- *
- * - {@link #put(LogicalDatastoreType, YangInstanceIdentifier, NormalizedNode)}
- *
- {@link #delete(LogicalDatastoreType, YangInstanceIdentifier)}
- *
- {@link #merge(LogicalDatastoreType, YangInstanceIdentifier, NormalizedNode)}
- *
- *
- * {@link #commit()} will result in invocation of
- * {@link DOMDataCommitImplementation#submit(org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction, Iterable)}
- * invocation with all {@link org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort} for underlying
- * transactions.
- *
- * @param Subtype of {@link DOMStoreWriteTransaction} which is used as
- * subtransaction.
- */
-class DOMForwardedWriteTransaction extends
- AbstractDOMForwardedCompositeTransaction implements DOMDataWriteTransaction {
- @SuppressWarnings("rawtypes")
- private static final AtomicReferenceFieldUpdater IMPL_UPDATER =
- AtomicReferenceFieldUpdater.newUpdater(DOMForwardedWriteTransaction.class, DOMDataCommitImplementation.class, "commitImpl");
- @SuppressWarnings("rawtypes")
- private static final AtomicReferenceFieldUpdater FUTURE_UPDATER =
- AtomicReferenceFieldUpdater.newUpdater(DOMForwardedWriteTransaction.class, Future.class, "commitFuture");
- private static final Logger LOG = LoggerFactory.getLogger(DOMForwardedWriteTransaction.class);
- private static final Future> CANCELLED_FUTURE = Futures.immediateCancelledFuture();
-
- /**
- * Implementation of real commit. It also acts as an indication that
- * the transaction is running -- which we flip atomically using
- * {@link #IMPL_UPDATER}.
- */
- private volatile DOMDataCommitImplementation commitImpl;
-
- /**
- * Future task of transaction commit. It starts off as null, but is
- * set appropriately on {@link #submit()} and {@link #cancel()} via
- * {@link AtomicReferenceFieldUpdater#lazySet(Object, Object)}.
- *
- * Lazy set is safe for use because it is only referenced to in the
- * {@link #cancel()} slow path, where we will busy-wait for it. The
- * fast path gets the benefit of a store-store barrier instead of the
- * usual store-load barrier.
- */
- private volatile Future> commitFuture;
-
- protected DOMForwardedWriteTransaction(final Object identifier,
- final Map backingTxs, final DOMDataCommitImplementation commitImpl) {
- super(identifier, backingTxs);
- this.commitImpl = Preconditions.checkNotNull(commitImpl, "commitImpl must not be null.");
- }
-
- @Override
- public void put(final LogicalDatastoreType store, final YangInstanceIdentifier path, final NormalizedNode, ?> data) {
- checkRunning(commitImpl);
- getSubtransaction(store).write(path, data);
- }
-
- @Override
- public void delete(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
- checkRunning(commitImpl);
- getSubtransaction(store).delete(path);
- }
-
- @Override
- public void merge(final LogicalDatastoreType store, final YangInstanceIdentifier path, final NormalizedNode, ?> data) {
- checkRunning(commitImpl);
- getSubtransaction(store).merge(path, data);
- }
-
- @Override
- public boolean cancel() {
- final DOMDataCommitImplementation impl = IMPL_UPDATER.getAndSet(this, null);
- if (impl != null) {
- LOG.trace("Transaction {} cancelled before submit", getIdentifier());
- FUTURE_UPDATER.lazySet(this, CANCELLED_FUTURE);
- return true;
- }
-
- // The transaction is in process of being submitted or cancelled. Busy-wait
- // for the corresponding future.
- Future> future;
- do {
- future = commitFuture;
- } while (future == null);
-
- return future.cancel(false);
- }
-
- @Override
- public ListenableFuture> commit() {
- return AbstractDataTransaction.convertToLegacyCommitFuture(submit());
- }
-
- @Override
- public CheckedFuture submit() {
- final DOMDataCommitImplementation impl = IMPL_UPDATER.getAndSet(this, null);
- checkRunning(impl);
-
- final Collection txns = getSubtransactions();
- final Collection cohorts = new ArrayList<>(txns.size());
-
- // FIXME: deal with errors thrown by backed (ready and submit can fail in theory)
- for (DOMStoreWriteTransaction txn : txns) {
- cohorts.add(txn.ready());
- }
-
- final CheckedFuture ret = impl.submit(this, cohorts);
- FUTURE_UPDATER.lazySet(this, ret);
- return ret;
- }
-
- private void checkRunning(final DOMDataCommitImplementation impl) {
- Preconditions.checkState(impl != null, "Transaction %s is no longer running", getIdentifier());
- }
-}