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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.qpid.framing;
import java.io.DataOutput;
import java.io.IOException;
/**
* A data block represents something that has a size in bytes and the ability to write itself to a byte
* buffer (similar to a byte array).
*/
public abstract class AMQDataBlock implements EncodableAMQDataBlock
{
/**
* Get the size of buffer needed to store the byte representation of this
* frame.
* @return unsigned integer
*/
public abstract long getSize();
/**
* Writes the datablock to the specified buffer.
* @param buffer
*/
public abstract void writePayload(DataOutput buffer) throws IOException;
}
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