openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/sal/convertor/flow/FlowFlagsInjector.java

   1 /*
   2  * Copyright (c) 2013 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.flow;
  10
  11 import java.util.HashMap;
  12 import java.util.Map;
  13 import java.util.Optional;
  14 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  15 import org.opendaylight.openflowplugin.api.OFConstants;
  16 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.ConvertorKey;
  17 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.ResultInjector;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowModFlags;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowModFlagsV10;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowModInputBuilder;
  21
  22 public class FlowFlagsInjector {
  23     @SuppressWarnings("unchecked")
  24     public static <FROM, TO> void inject(Optional<FROM> source, TO target, short version) {
  25         FROM sourceResult;
  26         if (source.isPresent()) {
  27             sourceResult = source.get();
  28         } else if (version == EncodeConstants.OF10_VERSION_ID) {
  29             sourceResult = (FROM) FlowFlagsV10Convertor.defaultResult();
  30         } else {
  31             sourceResult = (FROM) FlowFlagsConvertor.defaultResult();
  32         }
  33
  34         final Map<ConvertorKey, ResultInjector<?, ?>> injectorMap = new HashMap<>();
  35         addInjectors(injectorMap);
  36
  37         final ResultInjector<FROM, TO> injection = (ResultInjector<FROM, TO>) injectorMap
  38                 .get(new ConvertorKey(version, target.getClass()));
  39
  40         injection.inject(sourceResult, target);
  41     }
  42
  43     private static void addInjectors(final Map<ConvertorKey, ResultInjector<?, ?>> injectionMapping) {
  44         // OF-1.3|FlowModFlags --> FlowModInputBuilder
  45         injectionMapping.put(new ConvertorKey(OFConstants.OFP_VERSION_1_3, FlowModInputBuilder.class),
  46                 new ResultInjector<FlowModFlags, FlowModInputBuilder>() {
  47                     @Override
  48                     public void inject(final FlowModFlags value,
  49                                        final FlowModInputBuilder target) {
  50                         target.setFlags(value);
  51                     }
  52                 });
  53
  54         // OF-1.3|FlowModFlagsV10 --> FlowModInputBuilder
  55         injectionMapping.put(new ConvertorKey(OFConstants.OFP_VERSION_1_0, FlowModInputBuilder.class),
  56                 new ResultInjector<FlowModFlagsV10, FlowModInputBuilder>() {
  57                     @Override
  58                     public void inject(final FlowModFlagsV10 value,
  59                                        final FlowModInputBuilder target) {
  60                         target.setFlagsV10(value);
  61                     }
  62                 });
  63     }
  64 }