Java tutorial
/* * Copyright (c) 2014 Cisco Systems, Inc. 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.protocol.bgp.linkstate.impl.tlvs; import io.netty.buffer.ByteBuf; import org.opendaylight.protocol.bgp.linkstate.spi.LinkstateTlvParser; import org.opendaylight.protocol.bgp.linkstate.spi.TlvUtil; import org.opendaylight.protocol.util.ByteBufWriteUtil; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.TopologyIdentifier; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.link._case.LinkDescriptors; import org.opendaylight.yangtools.yang.common.QName; import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode; public final class MultiTopoIdTlvParser implements LinkstateTlvParser<TopologyIdentifier>, LinkstateTlvParser.LinkstateTlvSerializer<TopologyIdentifier> { public static final QName MULTI_TOPOLOGY_ID_QNAME = QName.create(LinkDescriptors.QNAME, "multi-topology-id") .intern(); @Override public void serializeTlvBody(final TopologyIdentifier tlv, final ByteBuf body) { ByteBufWriteUtil.writeUnsignedShort(tlv.getValue(), body); } @Override public int getType() { return TlvUtil.MULTI_TOPOLOGY_ID; } @Override public TopologyIdentifier parseTlvBody(final ByteBuf value) { return new TopologyIdentifier(value.readShort() & TlvUtil.TOPOLOGY_ID_OFFSET); } @Override public QName getTlvQName() { return MULTI_TOPOLOGY_ID_QNAME; } public static TopologyIdentifier serializeModel(final ContainerNode prefixDesc) { if (prefixDesc.getChild(TlvUtil.MULTI_TOPOLOGY_NID).isPresent()) { return new TopologyIdentifier( (Integer) prefixDesc.getChild(TlvUtil.MULTI_TOPOLOGY_NID).get().getValue()); } return null; } }