/*
 * Copyright (c) 2013 Pantheon Technologies s.r.o. 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.openflowjava.protocol.impl.serialization.instruction;

import io.netty.buffer.ByteBuf;

import java.util.List;

import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.openflowjava.protocol.impl.util.InstructionConstants;
import org.opendaylight.openflowjava.protocol.impl.util.ListSerializer;
import org.opendaylight.openflowjava.protocol.impl.util.TypeKeyMaker;
import org.opendaylight.openflowjava.protocol.impl.util.TypeKeyMakerFactory;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;

/**
 * @author michal.polkorab
 *
 */
public abstract class AbstractActionInstructionSerializer extends AbstractInstructionSerializer
        implements SerializerRegistryInjector {

    private static final TypeKeyMaker<Action> ACTION_KEY_MAKER =
            TypeKeyMakerFactory.createActionKeyMaker(EncodeConstants.OF13_VERSION_ID);

    private SerializerRegistry registry;

    protected void writeActions(final List<Action> actions, final ByteBuf outBuffer, int startIndex) {
        int lengthIndex = outBuffer.writerIndex();
        outBuffer.writeShort(EncodeConstants.EMPTY_LENGTH);
        outBuffer.writeZero(InstructionConstants.PADDING_IN_ACTIONS_INSTRUCTION);
        ListSerializer.serializeList(actions, ACTION_KEY_MAKER, getRegistry(), outBuffer);
        int instructionLength = outBuffer.writerIndex() - startIndex;
        outBuffer.setShort(lengthIndex, instructionLength);
    }

    protected SerializerRegistry getRegistry() {
        return registry;
    }

    @Override
    public void injectSerializerRegistry(final SerializerRegistry serializerRegistry) {
        registry = serializerRegistry;
    }
}