FileSystemUtil.java

// Licensed to the Apache Software Foundation (ASF) under one
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// 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
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// specific language governing permissions and limitations
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package org.apache.doris.fs;

import org.apache.doris.filesystem.spi.FileSystem;
import org.apache.doris.filesystem.spi.Location;

import org.apache.hadoop.fs.Path;

import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicBoolean;

public class FileSystemUtil {

    public static void asyncRenameFiles(FileSystem fs,
                                        Executor executor,
                                        List<CompletableFuture<?>> renameFileFutures,
                                        AtomicBoolean cancelled,
                                        String origFilePath,
                                        String destFilePath,
                                        List<String> fileNames) {
        for (String fileName : fileNames) {
            Path source = new Path(origFilePath, fileName);
            Path target = new Path(destFilePath, fileName);
            renameFileFutures.add(CompletableFuture.runAsync(() -> {
                if (cancelled.get()) {
                    return;
                }
                try {
                    fs.rename(Location.of(source.toString()), Location.of(target.toString()));
                } catch (java.io.IOException e) {
                    throw new RuntimeException(e.getMessage(), e);
                }
            }, executor));
        }
    }

    public static void asyncRenameDir(FileSystem fs,
                                      Executor executor,
                                      List<CompletableFuture<?>> renameFileFutures,
                                      AtomicBoolean cancelled,
                                      String origFilePath,
                                      String destFilePath,
                                      Runnable runWhenPathNotExist) {
        renameFileFutures.add(CompletableFuture.runAsync(() -> {
            if (cancelled.get()) {
                return;
            }
            try {
                fs.renameDirectory(Location.of(origFilePath), Location.of(destFilePath), runWhenPathNotExist);
            } catch (java.io.IOException e) {
                throw new RuntimeException(e.getMessage(), e);
            }
        }, executor));
    }
}