openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/sal/convertor/match/MatchInjector.java

   1 /*
   2  * Copyright (c) 2016 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.openflowplugin.openflow.md.core.sal.convertor.match;
  10
  11 import java.util.HashMap;
  12 import java.util.List;
  13 import java.util.Map;
  14 import java.util.Optional;
  15 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  16 import org.opendaylight.openflowplugin.api.OFConstants;
  17 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.ConvertorKey;
  18 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.ResultInjector;
  19 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.flow.FlowConvertor;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.set.field._case.SetFieldActionBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.grouping.MatchBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.v10.grouping.MatchV10;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowModInputBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.aggregate._case.MultipartRequestAggregateBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.flow._case.MultipartRequestFlowBuilder;
  27
  28 public class MatchInjector {
  29     @SuppressWarnings("unchecked")
  30     public static <FROM, TO> void inject(Optional<FROM> source, TO target, short version) {
  31         FROM sourceResult;
  32         if (source.isPresent()) {
  33             sourceResult = source.get();
  34         } else if (version == EncodeConstants.OF10_VERSION_ID) {
  35             sourceResult = (FROM) MatchV10Convertor.defaultResult();
  36         } else {
  37             sourceResult = (FROM) MatchConvertor.defaultResult();
  38         }
  39
  40         final Map<ConvertorKey, ResultInjector<?, ?>> injectorMap = new HashMap<>();
  41         addInjectors(injectorMap);
  42
  43         final ResultInjector<FROM, TO> injection = (ResultInjector<FROM, TO>) injectorMap
  44                 .get(new ConvertorKey(version, target.getClass()));
  45
  46         injection.inject(sourceResult, target);
  47     }
  48
  49     private static void addInjectors(final Map<ConvertorKey, ResultInjector<?, ?>> injectionMapping) {
  50         // OF-1.3|List<MatchEntries> --> FlowModInputBuilder
  51         injectionMapping.put(new ConvertorKey(OFConstants.OFP_VERSION_1_3, FlowModInputBuilder.class),
  52                 new ResultInjector<List<MatchEntry>, FlowModInputBuilder>() {
  53                     @Override
  54                     public void inject(final List<MatchEntry> value,
  55                                        final FlowModInputBuilder target) {
  56                         target.setMatch(wrapMatchV13(value).build());
  57                     }
  58                 });
  59
  60         // OF-1.3|List<MatchEntries> --> OxmFieldsActionBuilder
  61         injectionMapping.put(new ConvertorKey(OFConstants.OFP_VERSION_1_3, SetFieldActionBuilder.class),
  62                 new ResultInjector<List<MatchEntry>, SetFieldActionBuilder>() {
  63                     @Override
  64                     public void inject(final List<MatchEntry> value,
  65                                        final SetFieldActionBuilder target) {
  66                         target.setMatchEntry(value);
  67                     }
  68                 });
  69
  70         // OF-1.0|MatchV10Builder --> FlowModInputBuilder
  71         injectionMapping.put(new ConvertorKey(OFConstants.OFP_VERSION_1_0, FlowModInputBuilder.class),
  72                 new ResultInjector<MatchV10, FlowModInputBuilder>() {
  73                     @Override
  74                     public void inject(final MatchV10 value,
  75                                        final FlowModInputBuilder target) {
  76                         target.setMatchV10(value);
  77                     }
  78                 });
  79
  80         // OF-1.3|List<MatchEntries> --> MultipartRequestFlowBuilder
  81         injectionMapping.put(new ConvertorKey(OFConstants.OFP_VERSION_1_3, MultipartRequestFlowBuilder.class),
  82                 new ResultInjector<List<MatchEntry>, MultipartRequestFlowBuilder>() {
  83                     @Override
  84                     public void inject(final List<MatchEntry> value,
  85                                        final MultipartRequestFlowBuilder target) {
  86                         target.setMatch(wrapMatchV13(value).build());
  87                     }
  88                 });
  89
  90         // OF-1.0|List<MatchEntries> --> MultipartRequestFlowBuilder
  91         injectionMapping.put(new ConvertorKey(OFConstants.OFP_VERSION_1_0, MultipartRequestFlowBuilder.class),
  92                 new ResultInjector<MatchV10, MultipartRequestFlowBuilder>() {
  93                     @Override
  94                     public void inject(final MatchV10 value,
  95                                        final MultipartRequestFlowBuilder target) {
  96                         target.setMatchV10(value);
  97                     }
  98                 });
  99
 100         // OF-1.3|List<MatchEntries> --> MultipartRequestAggregateBuilder
 101         injectionMapping.put(new ConvertorKey(OFConstants.OFP_VERSION_1_3, MultipartRequestAggregateBuilder.class),
 102                 new ResultInjector<List<MatchEntry>, MultipartRequestAggregateBuilder>() {
 103                     @Override
 104                     public void inject(final List<MatchEntry> value,
 105                                        final MultipartRequestAggregateBuilder target) {
 106                         target.setMatch(wrapMatchV13(value).build());
 107                     }
 108                 });
 109
 110         // OF-1.0|List<MatchEntries> --> MultipartRequestAggregateBuilder
 111         injectionMapping.put(new ConvertorKey(OFConstants.OFP_VERSION_1_0, MultipartRequestAggregateBuilder.class),
 112                 new ResultInjector<MatchV10, MultipartRequestAggregateBuilder>() {
 113                     @Override
 114                     public void inject(final MatchV10 value,
 115                                        final MultipartRequestAggregateBuilder target) {
 116                         target.setMatchV10(value);
 117                     }
 118                 });
 119     }
 120
 121     private static MatchBuilder wrapMatchV13(final List<MatchEntry> value) {
 122         MatchBuilder matchBuilder = new MatchBuilder();
 123         matchBuilder.setType(FlowConvertor.DEFAULT_MATCH_TYPE);
 124         if (value == null) {
 125             matchBuilder.setMatchEntry(FlowConvertor.DEFAULT_MATCH_ENTRIES);
 126         } else {
 127             matchBuilder.setMatchEntry(value);
 128         }
 129         return matchBuilder;
 130     }
 131 }