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#pragma once
#include <Disks/IDiskTransaction.h>
#include <IO/WriteBufferFromFileBase.h>
namespace DB
{
/// Fake disk transaction implementation.
/// Just execute all operations immediately, commit is noop operation.
/// No support for atomicity and rollback.
struct FakeDiskTransaction final : public IDiskTransaction
{
public:
explicit FakeDiskTransaction(IDisk & disk_)
: disk(disk_)
{}
void commit() override {}
void undo() override {}
void createDirectory(const std::string & path) override
{
disk.createDirectory(path);
}
void createDirectories(const std::string & path) override
{
disk.createDirectories(path);
}
void createFile(const std::string & path) override
{
disk.createFile(path);
}
void clearDirectory(const std::string & path) override
{
disk.createDirectory(path);
}
void moveDirectory(const std::string & from_path, const std::string & to_path) override
{
disk.moveDirectory(from_path, to_path);
}
void moveFile(const String & from_path, const String & to_path) override
{
disk.moveFile(from_path, to_path);
}
void replaceFile(const std::string & from_path, const std::string & to_path) override
{
disk.replaceFile(from_path, to_path);
}
void copyFile(const std::string & from_file_path, const std::string & to_file_path) override
{
disk.copyFile(from_file_path, disk, to_file_path);
}
std::unique_ptr<WriteBufferFromFileBase> writeFile( /// NOLINT
const std::string & path,
size_t buf_size = DBMS_DEFAULT_BUFFER_SIZE,
WriteMode mode = WriteMode::Rewrite,
const WriteSettings & settings = {},
bool /*autocommit */ = true) override
{
return disk.writeFile(path, buf_size, mode, settings);
}
void writeFileUsingBlobWritingFunction(const String & path, WriteMode mode, WriteBlobFunction && write_blob_function) override
{
disk.writeFileUsingBlobWritingFunction(path, mode, std::move(write_blob_function));
}
void removeFile(const std::string & path) override
{
disk.removeFile(path);
}
void removeFileIfExists(const std::string & path) override
{
disk.removeFileIfExists(path);
}
void removeDirectory(const std::string & path) override
{
disk.removeDirectory(path);
}
void removeRecursive(const std::string & path) override
{
disk.removeRecursive(path);
}
void removeSharedFile(const std::string & path, bool keep_shared_data) override
{
disk.removeSharedFile(path, keep_shared_data);
}
void removeSharedRecursive(const std::string & path, bool keep_all_shared_data, const NameSet & file_names_remove_metadata_only) override
{
disk.removeSharedRecursive(path, keep_all_shared_data, file_names_remove_metadata_only);
}
void removeSharedFileIfExists(const std::string & path, bool keep_shared_data) override
{
disk.removeSharedFileIfExists(path, keep_shared_data);
}
void removeSharedFiles(const RemoveBatchRequest & files, bool keep_all_batch_data, const NameSet & file_names_remove_metadata_only) override
{
disk.removeSharedFiles(files, keep_all_batch_data, file_names_remove_metadata_only);
}
void setLastModified(const std::string & path, const Poco::Timestamp & timestamp) override
{
disk.setLastModified(path, timestamp);
}
void chmod(const String & path, mode_t mode) override
{
disk.chmod(path, mode);
}
void setReadOnly(const std::string & path) override
{
disk.setReadOnly(path);
}
void createHardLink(const std::string & src_path, const std::string & dst_path) override
{
disk.createHardLink(src_path, dst_path);
}
private:
IDisk & disk;
};
}
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