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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.orc.impl;
import java.io.IOException;
import java.io.OutputStream;
import java.util.function.Consumer;
public abstract class PositionedOutputStream extends OutputStream {
/**
* Record the current position to the recorder.
* @param recorder the object that receives the position
* @throws IOException
*/
public abstract void getPosition(PositionRecorder recorder
) throws IOException;
/**
* Get the memory size currently allocated as buffer associated with this
* stream.
* @return the number of bytes used by buffers.
*/
public abstract long getBufferSize();
/**
* Change the current Initialization Vector (IV) for the encryption.
* Has no effect if the stream is not encrypted.
* @param modifier a function to modify the IV in place
*/
public abstract void changeIv(Consumer<byte[]> modifier);
}