+++ /dev/null
-/*
- * Copyright (c) 2015 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;
-
-import static com.google.common.base.Preconditions.checkState;
-import com.google.common.collect.ImmutableMap;
-import java.util.Collections;
-import java.util.EnumMap;
-import java.util.Map;
-import java.util.concurrent.atomic.AtomicLong;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataBrokerExtension;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataChangeListener;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier;
-import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
-import org.opendaylight.controller.sal.core.spi.data.DOMStore;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreTreeChangePublisher;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public abstract class AbstractDOMBroker extends AbstractDOMTransactionFactory<DOMStore>
- implements DOMDataBroker, AutoCloseable {
-
- private static final Logger LOG = LoggerFactory.getLogger(AbstractDOMBroker.class);
-
- private final AtomicLong txNum = new AtomicLong();
- private final AtomicLong chainNum = new AtomicLong();
- private final Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> extensions;
- private volatile AutoCloseable closeable;
-
- protected AbstractDOMBroker(final Map<LogicalDatastoreType, DOMStore> datastores) {
- super(datastores);
-
- boolean treeChange = true;
- for (DOMStore ds : datastores.values()) {
- if (!(ds instanceof DOMStoreTreeChangePublisher)) {
- treeChange = false;
- break;
- }
- }
-
- if (treeChange) {
- extensions = ImmutableMap.<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension>of(DOMDataTreeChangeService.class, new DOMDataTreeChangeService() {
- @Override
- public <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerDataTreeChangeListener(final DOMDataTreeIdentifier treeId, final L listener) {
- DOMStore publisher = getTxFactories().get(treeId.getDatastoreType());
- checkState(publisher != null, "Requested logical data store is not available.");
-
- return ((DOMStoreTreeChangePublisher) publisher).registerTreeChangeListener(treeId.getRootIdentifier(), listener);
- }
- });
- } else {
- extensions = Collections.emptyMap();
- }
- }
-
- public void setCloseable(final AutoCloseable closeable) {
- this.closeable = closeable;
- }
-
- @Override
- public void close() {
- super.close();
-
- if (closeable != null) {
- try {
- closeable.close();
- } catch (Exception e) {
- LOG.debug("Error closing instance", e);
- }
- }
- }
-
- @Override
- protected Object newTransactionIdentifier() {
- return "DOM-" + txNum.getAndIncrement();
- }
-
- @Override
- public ListenerRegistration<DOMDataChangeListener> registerDataChangeListener(final LogicalDatastoreType store,
- final YangInstanceIdentifier path, final DOMDataChangeListener listener, final DataChangeScope triggeringScope) {
-
- DOMStore potentialStore = getTxFactories().get(store);
- checkState(potentialStore != null, "Requested logical data store is not available.");
- return potentialStore.registerChangeListener(path, listener, triggeringScope);
- }
-
- @Override
- public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
- return extensions;
- }
-
- @Override
- public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
- checkNotClosed();
-
- final Map<LogicalDatastoreType, DOMStoreTransactionChain> backingChains = new EnumMap<>(LogicalDatastoreType.class);
- for (Map.Entry<LogicalDatastoreType, DOMStore> entry : getTxFactories().entrySet()) {
- backingChains.put(entry.getKey(), entry.getValue().createTransactionChain());
- }
-
- final long chainId = chainNum.getAndIncrement();
- LOG.debug("Transaction chain {} created with listener {}, backing store chains {}", chainId, listener,
- backingChains);
- return new DOMBrokerTransactionChain(chainId, backingChains, this, listener);
- }
-}