openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/extension/ActionExtensionHelper.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. 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 package org.opendaylight.openflowplugin.openflow.md.core.extension;
   9
  10 import org.opendaylight.openflowjava.protocol.api.keys.ActionSerializerKey;
  11 import org.opendaylight.openflowjava.protocol.api.keys.ExperimenterActionSerializerKey;
  12 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  13 import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
  14 import org.opendaylight.openflowplugin.extension.api.ConvertorActionFromOFJava;
  15 import org.opendaylight.openflowplugin.extension.api.core.extension.ExtensionConverterProvider;
  16 import org.opendaylight.openflowplugin.extension.api.path.ActionPath;
  17 import org.opendaylight.openflowplugin.openflow.md.core.session.OFSessionUtil;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.action.container.action.choice.ExperimenterIdCase;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  20
  21 public final class ActionExtensionHelper {
  22
  23     private ActionExtensionHelper() {
  24         throw new IllegalAccessError("singleton enforcement");
  25     }
  26
  27     /**
  28      * Processes an alien action.
  29      *
  30      * @param action openflow action
  31      * @param ofVersion openflow version
  32      * @param actionPath openflow action path
  33      * @return augmentation wrapper containing augmentation depending on matchPath
  34      */
  35     public static org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action
  36             processAlienAction(final Action action, final OpenflowVersion ofVersion, final ActionPath actionPath) {
  37         ConvertorActionFromOFJava<Action, ActionPath> convertor = null;
  38         org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action alienAction = null;
  39         final ExtensionConverterProvider extensionConvertorProvider = OFSessionUtil.getExtensionConvertorProvider();
  40
  41         if (extensionConvertorProvider == null) {
  42             return null;
  43         }
  44         if (action == null) {
  45             return null;
  46         }
  47
  48         if (action.getActionChoice() instanceof ExperimenterIdCase) {
  49             ExperimenterIdCase actionCase = (ExperimenterIdCase) action.getActionChoice();
  50             // TODO: EXTENSION PROPOSAL (action, OFJava to MD-SAL)
  51             ExperimenterActionSerializerKey key = new ExperimenterActionSerializerKey(
  52                     ofVersion.getVersion(),
  53                     actionCase.getExperimenter().getExperimenter().getValue(),
  54                     actionCase.getExperimenter().getSubType());
  55             convertor = extensionConvertorProvider.getActionConverter(key);
  56         } else if (action.getActionChoice() != null) {
  57             ActionSerializerKey<?> key = new ActionSerializerKey(EncodeConstants.OF13_VERSION_ID,
  58                     action.getActionChoice().implementedInterface(), null);
  59             convertor = extensionConvertorProvider.getActionConverter(key);
  60         }
  61
  62         if (convertor != null) {
  63             alienAction = convertor.convert(action, actionPath);
  64         }
  65
  66         return alienAction;
  67     }
  68 }