| /* |
| * 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.utils.test; |
| |
| import java.io.BufferedInputStream; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| |
| import org.apache.cassandra.spark.data.FileType; |
| import org.apache.cassandra.spark.data.SSTable; |
| import org.jetbrains.annotations.Nullable; |
| |
| public final class TestSSTable extends SSTable |
| { |
| private final Path dataFile; |
| |
| private TestSSTable(Path dataFile) |
| { |
| this.dataFile = dataFile; |
| } |
| |
| public static SSTable at(Path dataFile) |
| { |
| return new TestSSTable(dataFile); |
| } |
| |
| public static List<SSTable> at(Path... dataFiles) |
| { |
| return Arrays.stream(dataFiles) |
| .map(TestSSTable::at) |
| .collect(Collectors.toList()); |
| } |
| |
| private static Stream<Path> list(Path directory, FileType type) throws IOException |
| { |
| return Files.list(directory) |
| .filter(path -> path.getFileName().toString().endsWith("-" + type.getFileSuffix())); |
| } |
| |
| public static long countIn(Path directory) throws IOException |
| { |
| return list(directory, FileType.DATA) |
| .count(); |
| } |
| |
| public static List<SSTable> allIn(Path directory) throws IOException |
| { |
| return list(directory, FileType.DATA) |
| .map(TestSSTable::at) |
| .collect(Collectors.toList()); |
| } |
| |
| public static SSTable firstIn(Path directory) throws IOException |
| { |
| return list(directory, FileType.DATA) |
| .findFirst() |
| .map(TestSSTable::at) |
| .orElseThrow(FileNotFoundException::new); |
| } |
| |
| @VisibleForTesting |
| public static Path firstIn(Path directory, FileType type) throws IOException |
| { |
| return list(directory, type) |
| .findFirst() |
| .orElseThrow(FileNotFoundException::new); |
| } |
| |
| @Nullable |
| @Override |
| protected InputStream openInputStream(FileType fileType) |
| { |
| Path filePath = FileType.resolveComponentFile(fileType, dataFile); |
| try |
| { |
| return filePath != null ? new BufferedInputStream(new FileInputStream(filePath.toFile())) : null; |
| } |
| catch (FileNotFoundException exception) |
| { |
| return null; |
| } |
| } |
| |
| public boolean isMissing(FileType fileType) |
| { |
| return FileType.resolveComponentFile(fileType, dataFile) == null; |
| } |
| |
| @Override |
| public String getDataFileName() |
| { |
| return dataFile.getFileName().toString(); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return dataFile.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object other) |
| { |
| return other instanceof TestSSTable && this.dataFile.equals(((TestSSTable) other).dataFile); |
| } |
| } |