2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.cluster.sharding;
11 import com.google.common.base.Preconditions;
12 import com.google.common.collect.ImmutableList;
13 import java.util.Collection;
14 import javax.annotation.Nonnull;
15 import org.opendaylight.controller.cluster.databroker.actors.dds.ClientLocalHistory;
16 import org.opendaylight.controller.cluster.databroker.actors.dds.DataStoreClient;
17 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
18 import org.opendaylight.mdsal.dom.spi.shard.DOMDataTreeShardProducer;
19 import org.opendaylight.mdsal.dom.spi.shard.DOMDataTreeShardWriteTransaction;
22 * Proxy producer implementation that creates transactions that forward all calls to {@link DataStoreClient}.
24 class ShardProxyProducer implements DOMDataTreeShardProducer {
25 private final DOMDataTreeIdentifier shardRoot;
26 private final Collection<DOMDataTreeIdentifier> prefixes;
27 private final ClientLocalHistory history;
28 private DistributedShardModificationFactory modificationFactory;
30 ShardProxyProducer(final DOMDataTreeIdentifier shardRoot,
31 final Collection<DOMDataTreeIdentifier> prefixes,
32 final DataStoreClient client,
33 final DistributedShardModificationFactory modificationFactory) {
34 this.shardRoot = Preconditions.checkNotNull(shardRoot);
35 this.prefixes = ImmutableList.copyOf(Preconditions.checkNotNull(prefixes));
36 this.modificationFactory = Preconditions.checkNotNull(modificationFactory);
37 history = Preconditions.checkNotNull(client).createLocalHistory();
42 public Collection<DOMDataTreeIdentifier> getPrefixes() {
47 public DOMDataTreeShardWriteTransaction createTransaction() {
48 return new ShardProxyTransaction(shardRoot, prefixes,
49 modificationFactory.createModification(history.createTransaction()));
52 DistributedShardModificationFactory getModificationFactory() {
53 return modificationFactory;
56 void setModificationFactory(final DistributedShardModificationFactory modificationFactory) {
57 this.modificationFactory = Preconditions.checkNotNull(modificationFactory);