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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.bgpio.protocol;
import org.jboss.netty.buffer.ChannelBuffer;
import org.onosproject.bgpio.exceptions.BGPParseException;
import org.onosproject.bgpio.types.BGPHeader;
/**
* Abstraction of an entity providing BGP Messages.
*/
public interface BGPMessage extends Writeable {
/**
* Returns BGP Header of BGP Message.
*
* @return BGP Header of BGP Message
*/
BGPHeader getHeader();
/**
* Returns version of BGP Message.
*
* @return version of BGP Message
*/
BGPVersion getVersion();
/**
* Returns BGP Type of BGP Message.
*
* @return BGP Type of BGP Message
*/
BGPType getType();
@Override
void writeTo(ChannelBuffer cb) throws BGPParseException;
/**
* Builder interface with get and set functions to build BGP Message.
*/
interface Builder {
/**
* Builds BGP Message.
*
* @return BGP Message
* @throws BGPParseException while building bgp message
*/
BGPMessage build() throws BGPParseException;
/**
* Sets BgpHeader and return its builder.
*
* @param bgpMsgHeader BGP Message Header
* @return builder by setting BGP message header
*/
Builder setHeader(BGPHeader bgpMsgHeader);
}
}
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