openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/device/initialization/AbstractDeviceInitializer.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.openflowplugin.impl.device.initialization;
  10
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.util.concurrent.Futures;
  13 import java.util.Collections;
  14 import java.util.concurrent.Future;
  15 import javax.annotation.Nonnull;
  16 import javax.annotation.Nullable;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.openflowplugin.api.ConnectionException;
  19 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  20 import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProvider;
  21 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 public abstract class AbstractDeviceInitializer {
  27
  28     private static final Logger LOG = LoggerFactory.getLogger(AbstractDeviceInitializer.class);
  29
  30     /**
  31      * Perform initial information gathering and store them to operational datastore.
  32      *
  33      * @param deviceContext device context
  34      * @param switchFeaturesMandatory is switch features mandatory
  35      * @param skipTableFeatures skip collecting of table features
  36      * @param multipartWriterProvider multipart writer provider
  37      * @param convertorExecutor convertor executor
  38      */
  39     @SuppressWarnings("checkstyle:IllegalCatch")
  40     public Future<Void> initialize(@Nonnull final DeviceContext deviceContext,
  41                                    final boolean switchFeaturesMandatory,
  42                                    final boolean skipTableFeatures,
  43                                    @Nullable final MultipartWriterProvider multipartWriterProvider,
  44                                    @Nullable final ConvertorExecutor convertorExecutor) {
  45         Preconditions.checkNotNull(deviceContext);
  46
  47         // Write node to datastore
  48         LOG.debug("Initializing node information for node {}", deviceContext.getDeviceInfo().getLOGValue());
  49         try {
  50             deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, deviceContext
  51                     .getDeviceInfo()
  52                     .getNodeInstanceIdentifier(),
  53                 new NodeBuilder()
  54                     .setId(deviceContext.getDeviceInfo().getNodeId())
  55                     .setNodeConnector(Collections.emptyList())
  56                     .build());
  57         } catch (final Exception e) {
  58             LOG.warn("Failed to write node {} to DS ", deviceContext.getDeviceInfo().getNodeId(), e);
  59             return Futures.immediateFailedFuture(new ConnectionException(
  60                     "Failed to write node " + deviceContext.getDeviceInfo().getNodeId() + " to DS ", e));
  61         }
  62
  63         // Get information about device
  64         return initializeNodeInformation(deviceContext, switchFeaturesMandatory, skipTableFeatures,
  65                 multipartWriterProvider, convertorExecutor);
  66     }
  67
  68     protected abstract Future<Void> initializeNodeInformation(@Nonnull DeviceContext deviceContext,
  69                                                               boolean switchFeaturesMandatory,
  70                                                               boolean skipTableFeatures,
  71                                                               @Nullable MultipartWriterProvider multipartWriterProvider,
  72                                                               @Nullable ConvertorExecutor convertorExecutor);
  73 }