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Atomically replace objects in filesystem putBlob #162

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merged 1 commit into from
Jan 24, 2023
Merged

Atomically replace objects in filesystem putBlob #162

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9 changes: 5 additions & 4 deletions ...src/main/java/org/jclouds/filesystem/strategy/internal/FilesystemStorageStrategyImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
import static java.nio.file.Files.createDirectories;
import static java.nio.file.Files.getFileAttributeView;
import static java.nio.file.Files.getPosixFilePermissions;
import static java.nio.file.Files.move;
import static java.nio.file.Files.probeContentType;
import static java.nio.file.Files.readAttributes;
import static java.nio.file.Files.setPosixFilePermissions;
Expand All @@ -44,6 +45,7 @@
import java.nio.file.AccessDeniedException;
import java.nio.file.DirectoryStream;
import java.nio.file.NoSuchFileException;
import java.nio.file.StandardCopyOption;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.PosixFilePermission;
Expand Down Expand Up @@ -574,7 +576,8 @@ public String putBlob(final String containerName, final Blob blob, BlobAccess ac
eTag = actualHashCode.asBytes();
}

if (outputFile.exists()) {
// TODO: is this necessary?
if (isWindows() && outputFile.exists()) {
delete(outputFile);
}

Expand All @@ -590,9 +593,7 @@ public String putBlob(final String containerName, final Blob blob, BlobAccess ac

setBlobAccess(containerName, tmpBlobName, access);

if (!tmpFile.renameTo(outputFile)) {
throw new IOException("Could not rename file " + tmpFile + " to " + outputFile);
}
move(tmpPath, outputFile.toPath(), StandardCopyOption.ATOMIC_MOVE, StandardCopyOption.REPLACE_EXISTING);
tmpFile = null;

return base16().lowerCase().encode(eTag);
Expand Down