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