extension/openflowplugin-extension-nicira/src/main/java/org/opendaylight/openflowplugin/extension/vendor/nicira/convertor/action/FieldChoiceResolver.java

   1 /*
   2  * Copyright (c) 2018 SUSE LINUX GmbH.  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.extension.vendor.nicira.convertor.action;
  10
  11 import com.google.common.collect.ImmutableMap;
  12 import java.util.Map;
  13 import org.opendaylight.openflowjava.nx.codec.match.NiciraMatchCodecs;
  14 import org.opendaylight.openflowjava.nx.codec.match.NxmHeader;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg0;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg1;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg2;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg3;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg4;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg5;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg6;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg7;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.DstChoice;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxArpShaCaseBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxArpThaCaseBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxIpv6DstCaseBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxIpv6SrcCaseBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxNshFlagsCaseBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxNshTtlCaseBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxNshc1CaseBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxNshc2CaseBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxNshc3CaseBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxNshc4CaseBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxNsiCaseBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxNspCaseBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxOfInPortCaseBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxRegCase;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxRegCaseBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxTunIdCaseBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxTunIpv4DstCaseBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxTunIpv4SrcCaseBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfArpOpCaseBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfArpSpaCaseBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfArpTpaCaseBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfEthDstCaseBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfEthSrcCaseBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfIcmpTypeCaseBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfIpDstCaseBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfIpSrcCaseBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfMetadataCaseBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfMplsLabelCaseBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.SrcChoice;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxArpShaCaseBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxArpThaCaseBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxIpv6DstCaseBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxIpv6SrcCaseBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxNshFlagsCaseBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxNshMdtypeCaseBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxNshNpCaseBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxNshTtlCaseBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxNshc1CaseBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxNshc2CaseBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxNshc3CaseBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxNshc4CaseBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxNsiCaseBuilder;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxNspCaseBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxOfInPortCaseBuilder;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxOfMetadataCaseBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxOfMplsLabelCaseBuilder;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxRegCase;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxRegCaseBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxTunIdCaseBuilder;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxTunIpv4DstCaseBuilder;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxTunIpv4SrcCaseBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfArpOpCaseBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfArpSpaCaseBuilder;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfArpTpaCaseBuilder;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfEthDstCaseBuilder;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfEthSrcCaseBuilder;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfEthTypeCaseBuilder;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfIpDstCaseBuilder;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfIpSrcCaseBuilder;
  83 import org.opendaylight.yangtools.yang.binding.DataContainer;
  84 import org.opendaylight.yangtools.yang.common.Empty;
  85 import org.opendaylight.yangtools.yang.common.Uint32;
  86 import org.opendaylight.yangtools.yang.common.Uint64;
  87
  88 /**
  89  * A helper class that maps various NXM/OXM header representations to
  90  * source/destination choice fields used in some of the openflow actions.
  91  */
  92 public final class FieldChoiceResolver {
  93
  94     private FieldChoiceResolver() {
  95         // utility class
  96     }
  97
  98     private static final Map<Number, SrcChoice> NXMHEADER_TO_SRC_CHOICE;
  99     private static final Map<Number, DstChoice> NXMHEADER_TO_DST_CHOICE;
 100     private static final Map<Class<? extends DataContainer>, NxmHeader> DST_CHOICE_TYPE_TO_NXMHEADER;
 101     private static final Map<Class<? extends DataContainer>, NxmHeader> SRC_CHOICE_TYPE_TO_NXMHEADER;
 102     private static final Map<DstChoice, NxmHeader> REG_DST_CHOICE_TO_NXMHEADER;
 103     private static final Map<SrcChoice, NxmHeader> REG_SRC_CHOICE_TO_NXMHEADER;
 104
 105     static {
 106         final ImmutableMap<SrcChoice, NxmHeader> srcChoiceToNxmheader =
 107                 new ImmutableMap.Builder<SrcChoice, NxmHeader>()
 108                         .put(new SrcNxTunIdCaseBuilder().setNxTunId(Empty.value()).build(),
 109                                 NiciraMatchCodecs.TUN_ID_CODEC.getHeaderWithoutHasMask())
 110                         .put(new SrcNxArpShaCaseBuilder().setNxArpSha(Empty.value()).build(),
 111                                 NiciraMatchCodecs.ARP_SHA_CODEC.getHeaderWithoutHasMask())
 112                         .put(new SrcNxArpThaCaseBuilder().setNxArpTha(Empty.value()).build(),
 113                                 NiciraMatchCodecs.ARP_THA_CODEC.getHeaderWithoutHasMask())
 114                         .put(new SrcOfArpOpCaseBuilder().setOfArpOp(Empty.value()).build(),
 115                                 NiciraMatchCodecs.ARP_OP_CODEC.getHeaderWithoutHasMask())
 116                         .put(new SrcOfArpSpaCaseBuilder().setOfArpSpa(Empty.value()).build(),
 117                                 NiciraMatchCodecs.ARP_SPA_CODEC.getHeaderWithoutHasMask())
 118                         .put(new SrcOfArpTpaCaseBuilder().setOfArpTpa(Empty.value()).build(),
 119                                 NiciraMatchCodecs.ARP_TPA_CODEC.getHeaderWithoutHasMask())
 120                         .put(new SrcNxOfInPortCaseBuilder().setOfInPort(Empty.value()).build(),
 121                                 NiciraMatchCodecs.NXM_OF_IN_PORT_CODEC.getHeaderWithoutHasMask())
 122                         .put(new SrcNxOfMetadataCaseBuilder().setOfMetadata(Empty.value()).build(),
 123                                 NiciraMatchCodecs.OXM_OF_METADATA_CODEC.getHeaderWithoutHasMask())
 124                         .put(new SrcOfEthDstCaseBuilder().setOfEthDst(Empty.value()).build(),
 125                                 NiciraMatchCodecs.ETH_DST_CODEC.getHeaderWithoutHasMask())
 126                         .put(new SrcOfEthSrcCaseBuilder().setOfEthSrc(Empty.value()).build(),
 127                                 NiciraMatchCodecs.ETH_SRC_CODEC.getHeaderWithoutHasMask())
 128                         .put(new SrcOfEthTypeCaseBuilder().setOfEthType(Empty.value()).build(),
 129                                 NiciraMatchCodecs.ETH_TYPE_CODEC.getHeaderWithoutHasMask())
 130                         .put(new SrcNxTunIpv4DstCaseBuilder().setNxTunIpv4Dst(Empty.value()).build(),
 131                                 NiciraMatchCodecs.TUN_IPV4_DST_CODEC.getHeaderWithoutHasMask())
 132                         .put(new SrcNxTunIpv4SrcCaseBuilder().setNxTunIpv4Src(Empty.value()).build(),
 133                                 NiciraMatchCodecs.TUN_IPV4_SRC_CODEC.getHeaderWithoutHasMask())
 134                         .put(new SrcNxNspCaseBuilder().setNxNspDst(Empty.value()).build(),
 135                                 NiciraMatchCodecs.NSP_CODEC.getHeaderWithoutHasMask())
 136                         .put(new SrcNxNsiCaseBuilder().setNxNsiDst(Empty.value()).build(),
 137                                 NiciraMatchCodecs.NSI_CODEC.getHeaderWithoutHasMask())
 138                         .put(new SrcNxNshc1CaseBuilder().setNxNshc1Dst(Empty.value()).build(),
 139                                 NiciraMatchCodecs.NSC1_CODEC.getHeaderWithoutHasMask())
 140                         .put(new SrcNxNshc2CaseBuilder().setNxNshc2Dst(Empty.value()).build(),
 141                                 NiciraMatchCodecs.NSC2_CODEC.getHeaderWithoutHasMask())
 142                         .put(new SrcNxNshc3CaseBuilder().setNxNshc3Dst(Empty.value()).build(),
 143                                 NiciraMatchCodecs.NSC3_CODEC.getHeaderWithoutHasMask())
 144                         .put(new SrcNxNshc4CaseBuilder().setNxNshc4Dst(Empty.value()).build(),
 145                                 NiciraMatchCodecs.NSC4_CODEC.getHeaderWithoutHasMask())
 146                         .put(new SrcNxNshFlagsCaseBuilder().setNxNshFlags(Empty.value()).build(),
 147                                 NiciraMatchCodecs.NSH_FLAGS_CODEC.getHeaderWithoutHasMask())
 148                         .put(new SrcNxNshTtlCaseBuilder().setNxNshTtl(Empty.value()).build(),
 149                                 NiciraMatchCodecs.NSH_TTL_CODEC.getHeaderWithoutHasMask())
 150                         .put(new SrcNxNshMdtypeCaseBuilder().setNxNshMdtype(Empty.value()).build(),
 151                                 NiciraMatchCodecs.NSH_MDTYPE_CODEC.getHeaderWithoutHasMask())
 152                         .put(new SrcNxNshNpCaseBuilder().setNxNshNp(Empty.value()).build(),
 153                                 NiciraMatchCodecs.NSH_NP_CODEC.getHeaderWithoutHasMask())
 154                         .put(new SrcOfIpDstCaseBuilder().setOfIpDst(Empty.value()).build(),
 155                                 NiciraMatchCodecs.IP_DST_CODEC.getHeaderWithoutHasMask())
 156                         .put(new SrcOfIpSrcCaseBuilder().setOfIpSrc(Empty.value()).build(),
 157                                 NiciraMatchCodecs.IP_SRC_CODEC.getHeaderWithoutHasMask())
 158                         .put(new SrcNxIpv6SrcCaseBuilder().setNxIpv6Src(Empty.value()).build(),
 159                                 NiciraMatchCodecs.IPV6_SRC_CODEC.getHeaderWithoutHasMask())
 160                         .put(new SrcNxIpv6DstCaseBuilder().setNxIpv6Dst(Empty.value()).build(),
 161                                 NiciraMatchCodecs.IPV6_DST_CODEC.getHeaderWithoutHasMask())
 162                         .put(new SrcNxOfMplsLabelCaseBuilder().setOfMplsLabel(Empty.value()).build(),
 163                                 NiciraMatchCodecs.OXM_OF_MPLS_LABEL.getHeaderWithoutHasMask())
 164                         .put(new SrcNxRegCaseBuilder().setNxReg(NxmNxReg0.class).build(),
 165                                 NiciraMatchCodecs.REG0_CODEC.getHeaderWithoutHasMask())
 166                         .put(new SrcNxRegCaseBuilder().setNxReg(NxmNxReg1.class).build(),
 167                                 NiciraMatchCodecs.REG1_CODEC.getHeaderWithoutHasMask())
 168                         .put(new SrcNxRegCaseBuilder().setNxReg(NxmNxReg2.class).build(),
 169                                 NiciraMatchCodecs.REG2_CODEC.getHeaderWithoutHasMask())
 170                         .put(new SrcNxRegCaseBuilder().setNxReg(NxmNxReg3.class).build(),
 171                                 NiciraMatchCodecs.REG3_CODEC.getHeaderWithoutHasMask())
 172                         .put(new SrcNxRegCaseBuilder().setNxReg(NxmNxReg4.class).build(),
 173                                 NiciraMatchCodecs.REG4_CODEC.getHeaderWithoutHasMask())
 174                         .put(new SrcNxRegCaseBuilder().setNxReg(NxmNxReg5.class).build(),
 175                                 NiciraMatchCodecs.REG5_CODEC.getHeaderWithoutHasMask())
 176                         .put(new SrcNxRegCaseBuilder().setNxReg(NxmNxReg6.class).build(),
 177                                 NiciraMatchCodecs.REG6_CODEC.getHeaderWithoutHasMask())
 178                         .put(new SrcNxRegCaseBuilder().setNxReg(NxmNxReg7.class).build(),
 179                                 NiciraMatchCodecs.REG7_CODEC.getHeaderWithoutHasMask())
 180                         .build();
 181
 182         final ImmutableMap<DstChoice, NxmHeader> dstChoiceToNxmheader =
 183                 new ImmutableMap.Builder<DstChoice, NxmHeader>()
 184                         .put(new DstNxTunIdCaseBuilder().setNxTunId(Empty.value()).build(),
 185                                 NiciraMatchCodecs.TUN_ID_CODEC.getHeaderWithoutHasMask())
 186                         .put(new DstNxArpShaCaseBuilder().setNxArpSha(Empty.value()).build(),
 187                                 NiciraMatchCodecs.ARP_SHA_CODEC.getHeaderWithoutHasMask())
 188                         .put(new DstNxArpThaCaseBuilder().setNxArpTha(Empty.value()).build(),
 189                                 NiciraMatchCodecs.ARP_THA_CODEC.getHeaderWithoutHasMask())
 190                         .put(new DstOfArpOpCaseBuilder().setOfArpOp(Empty.value()).build(),
 191                                 NiciraMatchCodecs.ARP_OP_CODEC.getHeaderWithoutHasMask())
 192                         .put(new DstOfArpSpaCaseBuilder().setOfArpSpa(Empty.value()).build(),
 193                                 NiciraMatchCodecs.ARP_SPA_CODEC.getHeaderWithoutHasMask())
 194                         .put(new DstOfArpTpaCaseBuilder().setOfArpTpa(Empty.value()).build(),
 195                                 NiciraMatchCodecs.ARP_TPA_CODEC.getHeaderWithoutHasMask())
 196                         .put(new DstNxOfInPortCaseBuilder().setOfInPort(Empty.value()).build(),
 197                                 NiciraMatchCodecs.NXM_OF_IN_PORT_CODEC.getHeaderWithoutHasMask())
 198                         .put(new DstOfMetadataCaseBuilder().setOfMetadata(Empty.value()).build(),
 199                                 NiciraMatchCodecs.OXM_OF_METADATA_CODEC.getHeaderWithoutHasMask())
 200                         .put(new DstOfEthSrcCaseBuilder().setOfEthSrc(Empty.value()).build(),
 201                                 NiciraMatchCodecs.ETH_SRC_CODEC.getHeaderWithoutHasMask())
 202                         .put(new DstOfEthDstCaseBuilder().setOfEthDst(Empty.value()).build(),
 203                                 NiciraMatchCodecs.ETH_DST_CODEC.getHeaderWithoutHasMask())
 204                         .put(new DstNxTunIpv4DstCaseBuilder().setNxTunIpv4Dst(Empty.value()).build(),
 205                                 NiciraMatchCodecs.TUN_IPV4_DST_CODEC.getHeaderWithoutHasMask())
 206                         .put(new DstNxTunIpv4SrcCaseBuilder().setNxTunIpv4Src(Empty.value()).build(),
 207                                 NiciraMatchCodecs.TUN_IPV4_SRC_CODEC.getHeaderWithoutHasMask())
 208                         .put(new DstNxNspCaseBuilder().setNxNspDst(Empty.value()).build(),
 209                                 NiciraMatchCodecs.NSP_CODEC.getHeaderWithoutHasMask())
 210                         .put(new DstNxNsiCaseBuilder().setNxNsiDst(Empty.value()).build(),
 211                                 NiciraMatchCodecs.NSI_CODEC.getHeaderWithoutHasMask())
 212                         .put(new DstNxNshc1CaseBuilder().setNxNshc1Dst(Empty.value()).build(),
 213                                 NiciraMatchCodecs.NSC1_CODEC.getHeaderWithoutHasMask())
 214                         .put(new DstNxNshc2CaseBuilder().setNxNshc2Dst(Empty.value()).build(),
 215                                 NiciraMatchCodecs.NSC2_CODEC.getHeaderWithoutHasMask())
 216                         .put(new DstNxNshc3CaseBuilder().setNxNshc3Dst(Empty.value()).build(),
 217                                 NiciraMatchCodecs.NSC3_CODEC.getHeaderWithoutHasMask())
 218                         .put(new DstNxNshc4CaseBuilder().setNxNshc4Dst(Empty.value()).build(),
 219                                 NiciraMatchCodecs.NSC4_CODEC.getHeaderWithoutHasMask())
 220                         .put(new DstNxNshFlagsCaseBuilder().setNxNshFlags(Empty.value()).build(),
 221                                 NiciraMatchCodecs.NSH_FLAGS_CODEC.getHeaderWithoutHasMask())
 222                         .put(new DstNxNshTtlCaseBuilder().setNxNshTtl(Empty.value()).build(),
 223                                 NiciraMatchCodecs.NSH_TTL_CODEC.getHeaderWithoutHasMask())
 224                         .put(new DstOfIpDstCaseBuilder().setOfIpDst(Empty.value()).build(),
 225                                 NiciraMatchCodecs.IP_DST_CODEC.getHeaderWithoutHasMask())
 226                         .put(new DstOfIpSrcCaseBuilder().setOfIpSrc(Empty.value()).build(),
 227                                 NiciraMatchCodecs.IP_SRC_CODEC.getHeaderWithoutHasMask())
 228                         .put(new DstNxIpv6SrcCaseBuilder().setNxIpv6Src(Empty.value()).build(),
 229                                 NiciraMatchCodecs.IPV6_SRC_CODEC.getHeaderWithoutHasMask())
 230                         .put(new DstNxIpv6DstCaseBuilder().setNxIpv6Dst(Empty.value()).build(),
 231                                 NiciraMatchCodecs.IPV6_DST_CODEC.getHeaderWithoutHasMask())
 232                         .put(new DstOfMplsLabelCaseBuilder().setOfMplsLabel(Empty.value()).build(),
 233                                 NiciraMatchCodecs.OXM_OF_MPLS_LABEL.getHeaderWithoutHasMask())
 234                         .put(new DstOfIcmpTypeCaseBuilder().setOfIcmpType(Empty.value()).build(),
 235                                 NiciraMatchCodecs.ICMP_TYPE_CODEC.getHeaderWithoutHasMask())
 236                         .put(new DstNxRegCaseBuilder().setNxReg(NxmNxReg0.class).build(),
 237                                 NiciraMatchCodecs.REG0_CODEC.getHeaderWithoutHasMask())
 238                         .put(new DstNxRegCaseBuilder().setNxReg(NxmNxReg1.class).build(),
 239                                 NiciraMatchCodecs.REG1_CODEC.getHeaderWithoutHasMask())
 240                         .put(new DstNxRegCaseBuilder().setNxReg(NxmNxReg2.class).build(),
 241                                 NiciraMatchCodecs.REG2_CODEC.getHeaderWithoutHasMask())
 242                         .put(new DstNxRegCaseBuilder().setNxReg(NxmNxReg3.class).build(),
 243                                 NiciraMatchCodecs.REG3_CODEC.getHeaderWithoutHasMask())
 244                         .put(new DstNxRegCaseBuilder().setNxReg(NxmNxReg4.class).build(),
 245                                 NiciraMatchCodecs.REG4_CODEC.getHeaderWithoutHasMask())
 246                         .put(new DstNxRegCaseBuilder().setNxReg(NxmNxReg5.class).build(),
 247                                 NiciraMatchCodecs.REG5_CODEC.getHeaderWithoutHasMask())
 248                         .put(new DstNxRegCaseBuilder().setNxReg(NxmNxReg6.class).build(),
 249                                 NiciraMatchCodecs.REG6_CODEC.getHeaderWithoutHasMask())
 250                         .put(new DstNxRegCaseBuilder().setNxReg(NxmNxReg7.class).build(),
 251                                 NiciraMatchCodecs.REG7_CODEC.getHeaderWithoutHasMask())
 252                         .build();
 253
 254         ImmutableMap.Builder<Number, SrcChoice> headerToSrcChoiceBuilder = ImmutableMap.builder();
 255         ImmutableMap.Builder<Class<? extends DataContainer>, NxmHeader> srcTypeToHeaderBuilder = ImmutableMap.builder();
 256         ImmutableMap.Builder<SrcChoice, NxmHeader> regSrcChoiceToHeaderBuilder = ImmutableMap.builder();
 257         srcChoiceToNxmheader.forEach((srcChoice, header) -> {
 258             headerToSrcChoiceBuilder.put(header.toLong(), srcChoice);
 259             headerToSrcChoiceBuilder.put(header.toUint64(), srcChoice);
 260             if (srcChoice instanceof SrcNxRegCase) {
 261                 regSrcChoiceToHeaderBuilder.put(srcChoice, header);
 262             } else {
 263                 srcTypeToHeaderBuilder.put(srcChoice.implementedInterface(), header);
 264             }
 265         });
 266         NXMHEADER_TO_SRC_CHOICE = headerToSrcChoiceBuilder.build();
 267         SRC_CHOICE_TYPE_TO_NXMHEADER = srcTypeToHeaderBuilder.build();
 268         REG_SRC_CHOICE_TO_NXMHEADER = regSrcChoiceToHeaderBuilder.build();
 269
 270         ImmutableMap.Builder<Number, DstChoice> dstToHeaderBuilder = ImmutableMap.builder();
 271         ImmutableMap.Builder<Class<? extends DataContainer>, NxmHeader> dstTypeToHeaderBuilder = ImmutableMap.builder();
 272         ImmutableMap.Builder<DstChoice, NxmHeader> regDstChoiceToHeaderBuilder = ImmutableMap.builder();
 273         dstChoiceToNxmheader.forEach((dstChoice, header) -> {
 274             dstToHeaderBuilder.put(header.toLong(), dstChoice);
 275             dstToHeaderBuilder.put(header.toUint64(), dstChoice);
 276             if (dstChoice instanceof DstNxRegCase) {
 277                 regDstChoiceToHeaderBuilder.put(dstChoice, header);
 278             } else {
 279                 dstTypeToHeaderBuilder.put(dstChoice.implementedInterface(), header);
 280             }
 281         });
 282         NXMHEADER_TO_DST_CHOICE = dstToHeaderBuilder.build();
 283         DST_CHOICE_TYPE_TO_NXMHEADER = dstTypeToHeaderBuilder.build();
 284         REG_DST_CHOICE_TO_NXMHEADER = regDstChoiceToHeaderBuilder.build();
 285     }
 286
 287     /**
 288      * Resolves a destination choice field from a {@code Long} representation
 289      * of a NXM/OXM header.
 290      *
 291      * @param header the OXM/NXM header.
 292      * @return the destination choice.
 293      */
 294     static DstChoice resolveDstChoice(final Uint32 header) {
 295         return NXMHEADER_TO_DST_CHOICE.get(header.toJava());
 296     }
 297
 298     static DstChoice resolveDstChoice(final Long header) {
 299         return NXMHEADER_TO_DST_CHOICE.get(header);
 300     }
 301
 302     /**
 303      * Resolves a destination choice field from a {@code BigInteger} representation
 304      * of a NXM/OXM header.
 305      *
 306      * @param header the OXM/NXM header.
 307      * @return the destination choice.
 308      */
 309     static DstChoice resolveDstChoice(final Uint64 header) {
 310         return NXMHEADER_TO_DST_CHOICE.get(header);
 311     }
 312
 313     /**
 314      * Resolves a source choice field from a {@code Long} representation
 315      * of a NXM/OXM header.
 316      *
 317      * @param header the OXM/NXM header.
 318      * @return the source choice.
 319      */
 320     static SrcChoice resolveSrcChoice(final Long header) {
 321         return NXMHEADER_TO_SRC_CHOICE.get(header);
 322     }
 323
 324     static SrcChoice resolveSrcChoice(final Uint32 header) {
 325         return NXMHEADER_TO_SRC_CHOICE.get(header.toJava());
 326     }
 327
 328     /**
 329      * Resolves a source choice field from a {@code BigInteger} representation
 330      * of a NXM/OXM header.
 331      *
 332      * @param header the OXM/NXM header.
 333      * @return the destination choice.
 334      */
 335     static SrcChoice resolveSrcChoice(final Uint64 header) {
 336         return NXMHEADER_TO_SRC_CHOICE.get(header);
 337     }
 338
 339     /**
 340      * Resolves a uint32 representation of a non experimenter 4 byte
 341      * OXM/NXM header for the field given as {@code dstChoice}.
 342      *
 343      * @param dstChoice the destination choice field.
 344      * @return the OXM/NXM header as uint32 {@code Long}.
 345      * @throws IllegalArgumentException if the field is experimenter.
 346      */
 347     static Uint32 resolveDstHeaderUint32(final DstChoice dstChoice) {
 348         NxmHeader nxmHeader = dstChoice instanceof DstNxRegCase
 349                 ? REG_DST_CHOICE_TO_NXMHEADER.get(dstChoice)
 350                 : DST_CHOICE_TYPE_TO_NXMHEADER.get(dstChoice.implementedInterface());
 351         if (nxmHeader.isExperimenter()) {
 352             throw new IllegalArgumentException("Cannot fit experimenter destination choice on a uint32 header");
 353         }
 354         return Uint32.valueOf(nxmHeader.toLong());
 355     }
 356
 357     /**
 358      * Resolves a uint64 representation of a possibly experimenter
 359      * OXM/NXM header for the field given as {@code dstChoice}.
 360      *
 361      * @param dstChoice the destination choice field.
 362      * @return the OXM/NXM header as uint64 {@code BigInteger}.
 363      */
 364     static Uint64 resolveDstHeaderUint64(final DstChoice dstChoice) {
 365         return dstChoice instanceof DstNxRegCase
 366                 ? REG_DST_CHOICE_TO_NXMHEADER.get(dstChoice).toUint64()
 367                 : DST_CHOICE_TYPE_TO_NXMHEADER.get(dstChoice.implementedInterface()).toUint64();
 368     }
 369
 370     /**
 371      * Resolves a uint32 representation of a non experimenter 4 byte
 372      * OXM/NXM header for the field given as {@code srcChoice}.
 373      *
 374      * @param srcChoice the source choice field.
 375      * @return the OXM/NXM header as uint32 {@code Long}.
 376      * @throws IllegalArgumentException if the field is experimenter.
 377      */
 378     static Uint32 resolveSrcHeaderUint32(final SrcChoice srcChoice) {
 379         NxmHeader nxmHeader = srcChoice instanceof SrcNxRegCase
 380                 ? REG_SRC_CHOICE_TO_NXMHEADER.get(srcChoice)
 381                 : SRC_CHOICE_TYPE_TO_NXMHEADER.get(srcChoice.implementedInterface());
 382         if (nxmHeader.isExperimenter()) {
 383             throw new IllegalArgumentException("Cannot fit experimenter source choice on a uint32 header");
 384         }
 385         return Uint32.valueOf(nxmHeader.toLong());
 386     }
 387
 388     /**
 389      * Resolves a uint64 representation of a possibly experimenter
 390      * OXM/NXM header for the field given as {@code srcChoice}.
 391      *
 392      * @param srcChoice the destination choice field.
 393      * @return the OXM/NXM header as uint64 {@code BigInteger}.
 394      */
 395     static Uint64 resolveSrcHeaderUint64(final SrcChoice srcChoice) {
 396         return srcChoice instanceof SrcNxRegCase
 397                 ? REG_SRC_CHOICE_TO_NXMHEADER.get(srcChoice).toUint64()
 398                 : SRC_CHOICE_TYPE_TO_NXMHEADER.get(srcChoice.implementedInterface()).toUint64();
 399     }
 400
 401     /**
 402      * Check if the source choice field is experimenter.
 403      *
 404      * @param srcChoice the source choice field.
 405      * @return true if experimenter.
 406      */
 407     static boolean isExperimenter(final SrcChoice srcChoice) {
 408         return srcChoice instanceof SrcNxRegCase
 409                 ? REG_SRC_CHOICE_TO_NXMHEADER.get(srcChoice).isExperimenter()
 410                 : SRC_CHOICE_TYPE_TO_NXMHEADER.get(srcChoice.implementedInterface()).isExperimenter();
 411     }
 412
 413     /**
 414      * Check if the destination choice field is experimenter.
 415      *
 416      * @param dstChoice the destination choice field.
 417      * @return true if experimenter.
 418      */
 419     static boolean isExperimenter(final DstChoice dstChoice) {
 420         return dstChoice instanceof DstNxRegCase
 421                 ? REG_DST_CHOICE_TO_NXMHEADER.get(dstChoice).isExperimenter()
 422                 : DST_CHOICE_TYPE_TO_NXMHEADER.get(dstChoice.implementedInterface()).isExperimenter();
 423     }
 424 }