| /* |
| * 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.cassandra.spark.data; |
| |
| import java.io.BufferedInputStream; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.file.Path; |
| import java.util.function.Supplier; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.cassandra.spark.stats.Stats; |
| import org.apache.cassandra.spark.utils.ThrowableUtils; |
| import org.apache.cassandra.spark.utils.streaming.SSTableInputStream; |
| |
| class FileSystemSSTable extends SSTable |
| { |
| private static final Logger LOGGER = LoggerFactory.getLogger(FileSystemSSTable.class); |
| |
| private final Path dataFilePath; |
| private final boolean useSSTableInputStream; |
| private final Supplier<Stats> stats; |
| |
| FileSystemSSTable(Path dataFilePath, boolean useSSTableInputStream, Supplier<Stats> stats) |
| { |
| this.dataFilePath = dataFilePath; |
| this.useSSTableInputStream = useSSTableInputStream; |
| this.stats = stats; |
| } |
| |
| @Override |
| protected InputStream openInputStream(FileType fileType) |
| { |
| Path filePath = FileType.resolveComponentFile(fileType, dataFilePath); |
| if (filePath == null) |
| { |
| return null; |
| } |
| try |
| { |
| return useSSTableInputStream |
| ? new SSTableInputStream<>(new FileSystemSource(this, fileType, filePath), stats.get()) |
| : new BufferedInputStream(new FileInputStream(filePath.toFile())); |
| } |
| catch (FileNotFoundException exception) |
| { |
| return null; |
| } |
| catch (IOException exception) |
| { |
| Throwable cause = ThrowableUtils.rootCause(exception); |
| LOGGER.warn("IOException reading local sstable", cause); |
| throw new RuntimeException(cause); |
| } |
| } |
| |
| @Override |
| public boolean isMissing(FileType fileType) |
| { |
| return FileType.resolveComponentFile(fileType, dataFilePath) == null; |
| } |
| |
| @Override |
| public String getDataFileName() |
| { |
| return dataFilePath.getFileName().toString(); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return dataFilePath.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object other) |
| { |
| return other instanceof FileSystemSSTable |
| && this.dataFilePath.equals(((FileSystemSSTable) other).dataFilePath); |
| } |
| } |