2 * Copyright (c) 2014 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
8 package org.opendaylight.mdsal.dom.broker;
10 import java.util.EnumMap;
11 import java.util.List;
13 import java.util.concurrent.atomic.AtomicLong;
14 import org.eclipse.jdt.annotation.NonNull;
15 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
16 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService;
17 import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
18 import org.opendaylight.mdsal.dom.api.DOMTransactionChainListener;
19 import org.opendaylight.mdsal.dom.spi.PingPongMergingDOMDataBroker;
20 import org.opendaylight.mdsal.dom.spi.store.DOMStore;
21 import org.opendaylight.mdsal.dom.spi.store.DOMStoreTransactionChain;
22 import org.opendaylight.mdsal.dom.spi.store.DOMStoreTreeChangePublisher;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
26 public abstract class AbstractDOMDataBroker extends AbstractDOMForwardedTransactionFactory<DOMStore>
27 implements PingPongMergingDOMDataBroker {
28 private static final Logger LOG = LoggerFactory.getLogger(AbstractDOMDataBroker.class);
30 private final AtomicLong txNum = new AtomicLong();
31 private final AtomicLong chainNum = new AtomicLong();
32 private final @NonNull List<Extension> supportedExtensions;
34 private volatile AutoCloseable closeable;
36 protected AbstractDOMDataBroker(final Map<LogicalDatastoreType, DOMStore> datastores) {
39 boolean treeChange = true;
40 for (var ds : datastores.values()) {
41 if (!(ds instanceof DOMStoreTreeChangePublisher)) {
48 supportedExtensions = List.of((DOMDataTreeChangeService) (treeId, listener) -> {
49 final var dsType = treeId.getDatastoreType();
50 if (getTxFactories().get(dsType) instanceof DOMStoreTreeChangePublisher publisher) {
51 return publisher.registerTreeChangeListener(treeId.getRootIdentifier(), listener);
53 throw new IllegalStateException("Publisher for " + dsType + " data store is not available");
56 supportedExtensions = List.of();
60 public void setCloseable(final AutoCloseable closeable) {
61 this.closeable = closeable;
64 @SuppressWarnings("checkstyle:IllegalCatch")
69 if (closeable != null) {
72 } catch (Exception e) {
73 LOG.debug("Error closing instance", e);
79 protected Object newTransactionIdentifier() {
80 return "DOM-" + txNum.getAndIncrement();
84 public final List<Extension> supportedExtensions() {
85 return supportedExtensions;
90 public DOMTransactionChain createTransactionChain(final DOMTransactionChainListener listener) {
93 final var delegates = new EnumMap<LogicalDatastoreType, DOMStoreTransactionChain>(LogicalDatastoreType.class);
94 for (var entry : getTxFactories().entrySet()) {
95 delegates.put(entry.getKey(), entry.getValue().createTransactionChain());
98 final long chainId = chainNum.getAndIncrement();
99 LOG.debug("Transactoin chain {} created with listener {}, backing store chains {}", chainId, listener,
101 return new DOMDataBrokerTransactionChainImpl(chainId, delegates, this, listener);