-/*
- * Copyright (c) 2016 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.restconf;
-
-import com.google.common.base.Preconditions;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
-import org.opendaylight.controller.md.sal.common.api.data.TransactionChain;
-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.DOMMountPointService;
-import org.opendaylight.controller.md.sal.dom.api.DOMNotificationService;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
-import org.opendaylight.controller.sal.core.api.model.SchemaService;
-import org.opendaylight.netconf.sal.rest.api.RestConnector;
-import org.opendaylight.netconf.sal.restconf.impl.RestconfDocumentedException;
-import org.opendaylight.restconf.common.wrapper.services.ServicesWrapperImpl;
-import org.opendaylight.restconf.handlers.DOMDataBrokerHandler;
-import org.opendaylight.restconf.handlers.DOMMountPointServiceHandler;
-import org.opendaylight.restconf.handlers.NotificationServiceHandler;
-import org.opendaylight.restconf.handlers.RpcServiceHandler;
-import org.opendaylight.restconf.handlers.SchemaContextHandler;
-import org.opendaylight.restconf.handlers.TransactionChainHandler;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Provider for restconf draft18.
- *
- */
-public class RestConnectorProvider implements RestConnector, AutoCloseable {
-
- private static final Logger LOG = LoggerFactory.getLogger(RestConnectorProvider.class);
-
- public static final TransactionChainListener TRANSACTION_CHAIN_LISTENER = new TransactionChainListener() {
- @Override
- public void onTransactionChainFailed(final TransactionChain<?, ?> chain,
- final AsyncTransaction<?, ?> transaction, final Throwable cause) {
- LOG.warn("TransactionChain({}) {} FAILED!", chain, transaction.getIdentifier(), cause);
- resetTransactionChainForAdapaters(chain);
- throw new RestconfDocumentedException("TransactionChain(" + chain + ") not committed correctly", cause);
- }
-
- @Override
- public void onTransactionChainSuccessful(final TransactionChain<?, ?> chain) {
- LOG.trace("TransactionChain({}) {} SUCCESSFUL", chain);
- }
- };
-
- private static TransactionChainHandler transactionChainHandler;
- private static DOMDataBroker dataBroker;
- private static DOMMountPointServiceHandler mountPointServiceHandler;
-
- private final SchemaService schemaService;
- private final DOMRpcService rpcService;
- private final DOMNotificationService notificationService;
- private final DOMMountPointService mountPointService;
- private ListenerRegistration<SchemaContextListener> listenerRegistration;
-
- private SchemaContextHandler schemaCtxHandler;
-
- public RestConnectorProvider(DOMDataBroker domDataBroker, SchemaService schemaService, DOMRpcService rpcService,
- DOMNotificationService notificationService, DOMMountPointService mountPointService) {
- this.schemaService = Preconditions.checkNotNull(schemaService);
- this.rpcService = Preconditions.checkNotNull(rpcService);
- this.notificationService = Preconditions.checkNotNull(notificationService);
- this.mountPointService = Preconditions.checkNotNull(mountPointService);
-
- RestConnectorProvider.dataBroker = Preconditions.checkNotNull(domDataBroker);
- }
-
- public void start() {
- final ServicesWrapperImpl wrapperServices = ServicesWrapperImpl.getInstance();
-
- mountPointServiceHandler = new DOMMountPointServiceHandler(mountPointService);
-
- final DOMDataBrokerHandler brokerHandler = new DOMDataBrokerHandler(dataBroker);
-
- RestConnectorProvider.transactionChainHandler = new TransactionChainHandler(dataBroker
- .createTransactionChain(RestConnectorProvider.TRANSACTION_CHAIN_LISTENER));
-
- this.schemaCtxHandler = new SchemaContextHandler(transactionChainHandler);
- this.listenerRegistration = schemaService.registerSchemaContextListener(this.schemaCtxHandler);
-
- final RpcServiceHandler rpcServiceHandler = new RpcServiceHandler(rpcService);
-
- final NotificationServiceHandler notificationServiceHandler =
- new NotificationServiceHandler(notificationService);
-
- wrapperServices.setHandlers(this.schemaCtxHandler, RestConnectorProvider.mountPointServiceHandler,
- RestConnectorProvider.transactionChainHandler, brokerHandler, rpcServiceHandler,
- notificationServiceHandler);
- }
-
- public DOMMountPointServiceHandler getMountPointServiceHandler() {
- return mountPointServiceHandler;
- }
-
- /**
- * After {@link TransactionChain} failed, this updates {@link TransactionChainHandler} with new transaction chain.
- *
- * @param chain
- * old {@link TransactionChain}
- */
- public static void resetTransactionChainForAdapaters(final TransactionChain<?, ?> chain) {
- LOG.trace("Resetting TransactionChain({})", chain);
- chain.close();
- RestConnectorProvider.transactionChainHandler.update(
- Preconditions.checkNotNull(dataBroker).createTransactionChain(
- RestConnectorProvider.TRANSACTION_CHAIN_LISTENER)
- );
- }
-
- /**
- * Get current {@link DOMMountPointService} from {@link DOMMountPointServiceHandler}.
- * @return {@link DOMMountPointService}
- */
- public static DOMMountPointService getMountPointService() {
- return mountPointServiceHandler.get();
- }
-
- @Override
- public void close() throws Exception {
- // close registration
- if (this.listenerRegistration != null) {
- this.listenerRegistration.close();
- }
-
- // close transaction chain
- if (transactionChainHandler != null && transactionChainHandler.get() != null) {
- transactionChainHandler.get().close();
- }
-
- transactionChainHandler = null;
- mountPointServiceHandler = null;
- dataBroker = null;
- }
-}