| /** |
| * 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); |
| } |