| /* |
| * 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 org.apache.hadoop.fs.FSDataInputStream; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| |
| import java.util.function.Supplier; |
| |
| public final class DataReaderProperties { |
| |
| private final Supplier<FileSystem> fileSystemSupplier; |
| private final Path path; |
| private final FSDataInputStream file; |
| private final InStream.StreamOptions compression; |
| private final boolean zeroCopy; |
| private final int maxDiskRangeChunkLimit; |
| |
| private DataReaderProperties(Builder builder) { |
| this.fileSystemSupplier = builder.fileSystemSupplier; |
| this.path = builder.path; |
| this.file = builder.file; |
| this.compression = builder.compression; |
| this.zeroCopy = builder.zeroCopy; |
| this.maxDiskRangeChunkLimit = builder.maxDiskRangeChunkLimit; |
| } |
| |
| public Supplier<FileSystem> getFileSystemSupplier() { |
| return fileSystemSupplier; |
| } |
| |
| public Path getPath() { |
| return path; |
| } |
| |
| public FSDataInputStream getFile() { |
| return file; |
| } |
| |
| public InStream.StreamOptions getCompression() { |
| return compression; |
| } |
| |
| public boolean getZeroCopy() { |
| return zeroCopy; |
| } |
| |
| public int getMaxDiskRangeChunkLimit() { |
| return maxDiskRangeChunkLimit; |
| } |
| |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| public static class Builder { |
| |
| private Supplier<FileSystem> fileSystemSupplier; |
| private Path path; |
| private FSDataInputStream file; |
| private InStream.StreamOptions compression; |
| private boolean zeroCopy; |
| private int maxDiskRangeChunkLimit; |
| |
| private Builder() { |
| |
| } |
| |
| public Builder withFileSystemSupplier(Supplier<FileSystem> supplier) { |
| this.fileSystemSupplier = supplier; |
| return this; |
| } |
| |
| public Builder withFileSystem(FileSystem filesystem) { |
| this.fileSystemSupplier = () -> filesystem; |
| return this; |
| } |
| |
| public Builder withPath(Path path) { |
| this.path = path; |
| return this; |
| } |
| |
| public Builder withFile(FSDataInputStream file) { |
| this.file = file; |
| return this; |
| } |
| |
| public Builder withCompression(InStream.StreamOptions value) { |
| this.compression = value; |
| return this; |
| } |
| |
| public Builder withZeroCopy(boolean zeroCopy) { |
| this.zeroCopy = zeroCopy; |
| return this; |
| } |
| |
| public Builder withMaxDiskRangeChunkLimit(int value) { |
| maxDiskRangeChunkLimit = value; |
| return this; |
| } |
| |
| public DataReaderProperties build() { |
| if (fileSystemSupplier == null || path == null) { |
| throw new NullPointerException("Filesystem = " + fileSystemSupplier + |
| ", path = " + path); |
| } |
| |
| return new DataReaderProperties(this); |
| } |
| |
| } |
| } |