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#include <Disks/IStoragePolicy.h>
#include <Common/quoteString.h>
#include <Common/Exception.h>
namespace DB
{
namespace ErrorCodes
{
extern const int UNKNOWN_VOLUME;
extern const int UNKNOWN_DISK;
}
DiskPtr IStoragePolicy::getDiskByName(const String & disk_name) const
{
auto disk = tryGetDiskByName(disk_name);
if (!disk)
throw Exception(ErrorCodes::UNKNOWN_DISK,
"No such disk {} in storage policy {}", backQuote(disk_name), backQuote(getName()));
return disk;
}
VolumePtr IStoragePolicy::getVolumeByName(const String & volume_name) const
{
auto volume = tryGetVolumeByName(volume_name);
if (!volume)
throw Exception(ErrorCodes::UNKNOWN_VOLUME,
"No such volume {} in storage policy {}", backQuote(volume_name), backQuote(getName()));
return volume;
}
size_t IStoragePolicy::getVolumeIndexByDiskName(const String & disk_name) const
{
auto index = tryGetVolumeIndexByDiskName(disk_name);
if (!index)
throw Exception(ErrorCodes::UNKNOWN_DISK,
"No disk {} in policy {}", backQuote(disk_name), backQuote(getName()));
return *index;
}
VolumePtr IStoragePolicy::tryGetVolumeByDiskName(const String & disk_name) const
{
auto index = tryGetVolumeIndexByDiskName(disk_name);
if (!index)
return nullptr;
return getVolume(*index);
}
VolumePtr IStoragePolicy::getVolumeByDiskName(const String & disk_name) const
{
auto volume = tryGetVolumeByDiskName(disk_name);
if (!volume)
throw Exception(ErrorCodes::UNKNOWN_DISK,
"No disk {} in policy {}", backQuote(disk_name), backQuote(getName()));
return volume;
}
}
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