| /** |
| * 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.hudi.parquet.io; |
| |
| import org.apache.hadoop.fs.FSDataOutputStream; |
| import org.apache.parquet.io.OutputFile; |
| import org.apache.parquet.io.PositionOutputStream; |
| |
| import javax.annotation.Nonnull; |
| |
| import java.io.IOException; |
| |
| /** |
| * Implementation of the {@link OutputFile} backed by {@link java.io.OutputStream} |
| */ |
| public class OutputStreamBackedOutputFile implements OutputFile { |
| |
| private static final long DEFAULT_BLOCK_SIZE = 1024L * 1024L; |
| |
| private final FSDataOutputStream outputStream; |
| |
| public OutputStreamBackedOutputFile(FSDataOutputStream outputStream) { |
| this.outputStream = outputStream; |
| } |
| |
| @Override |
| public PositionOutputStream create(long blockSizeHint) { |
| return new PositionOutputStreamAdapter(outputStream); |
| } |
| |
| @Override |
| public PositionOutputStream createOrOverwrite(long blockSizeHint) { |
| return create(blockSizeHint); |
| } |
| |
| @Override |
| public boolean supportsBlockSize() { |
| return false; |
| } |
| |
| @Override |
| public long defaultBlockSize() { |
| return DEFAULT_BLOCK_SIZE; |
| } |
| |
| private static class PositionOutputStreamAdapter extends PositionOutputStream { |
| private final FSDataOutputStream delegate; |
| |
| PositionOutputStreamAdapter(FSDataOutputStream delegate) { |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public long getPos() throws IOException { |
| return delegate.getPos(); |
| } |
| |
| @Override |
| public void write(int b) throws IOException { |
| delegate.write(b); |
| } |
| |
| @Override |
| public void write(@Nonnull byte[] buffer, int off, int len) throws IOException { |
| delegate.write(buffer, off, len); |
| } |
| |
| @Override |
| public void flush() throws IOException { |
| delegate.flush(); |
| } |
| |
| @Override |
| public void close() { |
| // We're deliberately not closing the delegate stream here to allow caller |
| // to explicitly manage its lifecycle |
| } |
| } |
| } |