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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.onlab.packet;
/**
* Function to deserialize a packet from a byte-based input stream.
*/
@FunctionalInterface
public interface Deserializer<U extends IPacket> {
/**
* Deserialize a packet object from a byte array.
*
* @param data input array to take packet bytes from
* @param offset index where this packet header begins in the byte array
* @param length length of the packet header
* @return a deserialized packet object
* @throws DeserializationException if the packet cannot be deserialized
* from the input
*/
U deserialize(byte[] data, int offset, int length) throws DeserializationException;
}
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