renderers/ofoverlay/src/main/java/org/opendaylight/groupbasedpolicy/renderer/ofoverlay/sf/SubjectFeatures.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
   9 package org.opendaylight.groupbasedpolicy.renderer.ofoverlay.sf;
  10
  11 import java.util.List;
  12 import java.util.Map;
  13
  14 import org.opendaylight.groupbasedpolicy.sf.classifiers.EtherTypeClassifierDefinition;
  15 import org.opendaylight.groupbasedpolicy.sf.classifiers.IpProtoClassifierDefinition;
  16 import org.opendaylight.groupbasedpolicy.sf.classifiers.L4ClassifierDefinition;
  17 import org.opendaylight.groupbasedpolicy.sf.actions.AllowActionDefinition;
  18 import org.opendaylight.groupbasedpolicy.sf.actions.ChainActionDefinition;
  19
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ActionDefinitionId;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ClassifierDefinitionId;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.SubjectFeatureDefinitions;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.SubjectFeatureDefinitionsBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.subject.feature.definitions.ActionDefinition;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.subject.feature.definitions.ClassifierDefinition;
  26
  27 import com.google.common.base.Function;
  28 import com.google.common.collect.Collections2;
  29 import com.google.common.collect.ImmutableList;
  30 import com.google.common.collect.ImmutableMap;
  31
  32 /**
  33  * Defines the subject features that are supported by the OF overlay renderer
  34  */
  35 public class SubjectFeatures {
  36
  37     private static final Map<ClassifierDefinitionId, Classifier> classifiers = ImmutableMap.
  38             of(EtherTypeClassifierDefinition.ID, Classifier.ETHER_TYPE_CL,
  39                     IpProtoClassifierDefinition.ID, Classifier.IP_PROTO_CL,
  40                     L4ClassifierDefinition.ID, Classifier.L4_CL);
  41
  42     private static final List<ClassifierDefinition> classifierDefs =
  43             ImmutableList.copyOf(Collections2.transform(classifiers.values(),
  44                 new Function<Classifier, ClassifierDefinition>() {
  45                     @Override
  46                     public ClassifierDefinition apply(Classifier input) {
  47                         return input.getClassifierDefinition();
  48                     }
  49                 }
  50             ));
  51
  52     private static final Map<ActionDefinitionId, Action> actions = ImmutableMap.
  53             of(AllowActionDefinition.ID, new AllowAction(), ChainActionDefinition.ID,
  54                     new ChainAction());
  55
  56     private static final List<ActionDefinition> actionDefs =
  57             ImmutableList.copyOf(Collections2.transform(actions.values(),
  58                 new Function<Action, ActionDefinition>() {
  59                     @Override
  60                     public ActionDefinition apply(Action input) {
  61                         return input.getActionDef();
  62                     }
  63                 }
  64              ));
  65
  66     public static final SubjectFeatureDefinitions OF_OVERLAY_FEATURES =
  67             new SubjectFeatureDefinitionsBuilder()
  68                 .setActionDefinition(actionDefs)
  69                 .setClassifierDefinition(classifierDefs)
  70                 .build();
  71
  72     /**
  73      * Get the {@link Classifier} associated with the given
  74      * {@link ClassifierDefinitionId}
  75      * @param id the {@link ClassifierDefinitionId} to look up
  76      * @return the {@link Classifier} if one exists, or <code>null</code>
  77      * otherwise
  78      */
  79     public static Classifier getClassifier(ClassifierDefinitionId id) {
  80         return classifiers.get(id);
  81     }
  82
  83
  84     public static Map<ClassifierDefinitionId, Classifier> getClassifiers() {
  85         return classifiers;
  86     }
  87
  88     public static Map<ActionDefinitionId, Action> getActions() {
  89         return actions;
  90     }
  91
  92     /**
  93      * Get the {@link Action} associated with the given
  94      * {@link ActionDefinitionId}
  95      * @param id the {@link ActionDefinitionId} to look up
  96      * @return the {@link Action} if one exists, or <code>null</code>
  97      * otherwise
  98      */
  99     public static Action getAction(ActionDefinitionId id) {
 100         return actions.get(id);
 101     }
 102 }