CtStateConvertor.java example

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openflowplugin-master
/*
 * Copyright (c) 2015 Hewlett-Packard Enterprise and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */

package org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.match;

import com.google.common.base.Optional;

import org.opendaylight.openflowplugin.extension.api.ConvertorFromOFJava;
import org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava;
import org.opendaylight.openflowplugin.extension.api.ExtensionAugment;
import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
import org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.CodecPreconditionException;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.ExtensionKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.grouping.Extension;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketIn;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketInBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemoved;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemovedBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifUpdateFlowStats;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifUpdateFlowStatsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStats;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStatsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxCtStateGrouping;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxCtStateKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.ct.state.grouping.NxmNxCtState;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.ct.state.grouping.NxmNxCtStateBuilder;
import org.opendaylight.yangtools.yang.binding.Augmentation;

import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.ct.state.grouping.CtStateValuesBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.CtStateCaseValue;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.CtStateCaseValueBuilder;

/**
 * @author Aswin Suryanarayanan.
 */

public class CtStateConvertor implements ConvertorToOFJava<MatchEntry>, ConvertorFromOFJava<MatchEntry, MatchPath> {

    /*
     * (non-Javadoc)
     *
     * @see
     * org.opendaylight.openflowplugin.extension.api.ConvertorFromOFJava#convert
     * (org.opendaylight.yangtools.yang.binding.DataContainer,
     * org.opendaylight.openflowplugin.extension.api.path.AugmentationPath)
     */
    @Override
    public ExtensionAugment<? extends Augmentation<Extension>> convert(MatchEntry input, MatchPath path) {
        CtStateCaseValue ctStateCaseValue = ((CtStateCaseValue) input.getMatchEntryValue());
        NxmNxCtStateBuilder ctStateBuilder = new NxmNxCtStateBuilder();
        ctStateBuilder.setCtState(ctStateCaseValue.getCtStateValues().getCtState());
        ctStateBuilder.setMask(ctStateCaseValue.getCtStateValues().getMask());
        return resolveAugmentation(ctStateBuilder.build(), path,
                NxmNxCtStateKey.class);
    }

    /*
     * (non-Javadoc)
     *
     * @see
     * org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava#convert
     * (org
     * .opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general
     * .rev140714.general.extension.grouping.Extension)
     */
    @Override
    public MatchEntry convert(Extension extension) {
        Optional<NxmNxCtStateGrouping> matchGrouping = MatchUtil.ctStateResolver.getExtension(extension);
        if (!matchGrouping.isPresent()) {
            throw new CodecPreconditionException(extension);
        }
        CtStateCaseValueBuilder ctStateCaseValueBuilder = new CtStateCaseValueBuilder();
        CtStateValuesBuilder ctStateValuesBuilder = new CtStateValuesBuilder();
        ctStateValuesBuilder.setCtState(matchGrouping.get().getNxmNxCtState().getCtState());
        ctStateValuesBuilder.setMask(matchGrouping.get().getNxmNxCtState().getMask());
        ctStateCaseValueBuilder.setCtStateValues(ctStateValuesBuilder.build());
        MatchEntryBuilder ofMatch = MatchUtil
                .createDefaultMatchEntryBuilder(org.opendaylight.yang.gen.v1.urn
                                                .opendaylight.openflowjava.nx.match.rev140421.NxmNxCtState.class,
                                                Nxm1Class.class, ctStateCaseValueBuilder.build());
        ofMatch.setHasMask(true);
        return ofMatch.build();
    }

    private static ExtensionAugment<? extends Augmentation<Extension>> resolveAugmentation(NxmNxCtState value,
                                                                   MatchPath path, Class<? extends ExtensionKey> key) {
        switch (path) {
            case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_MATCH:
                return new ExtensionAugment<>(NxAugMatchNotifUpdateFlowStats.class,
                        new NxAugMatchNotifUpdateFlowStatsBuilder().setNxmNxCtState(value).build(), key);
            case RPCFLOWSSTATISTICS_FLOWANDSTATISTICSMAPLIST_MATCH:
                return new ExtensionAugment<>(NxAugMatchRpcGetFlowStats.class,
                        new NxAugMatchRpcGetFlowStatsBuilder().setNxmNxCtState(value).build(), key);
            case PACKETRECEIVED_MATCH:
                return new ExtensionAugment<>(NxAugMatchNotifPacketIn.class, new NxAugMatchNotifPacketInBuilder()
                        .setNxmNxCtState(value).build(), key);
            case SWITCHFLOWREMOVED_MATCH:
                return new ExtensionAugment<>(NxAugMatchNotifSwitchFlowRemoved.class,
                        new NxAugMatchNotifSwitchFlowRemovedBuilder().setNxmNxCtState(value).build(), key);
            default:
                throw new CodecPreconditionException(path);
        }
    }
}