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#ifndef CAFFE2_DB_CREATE_DB_OP_H_
#define CAFFE2_DB_CREATE_DB_OP_H_
#include "caffe2/core/context.h"
#include "caffe2/core/db.h"
#include "caffe2/core/operator.h"
namespace caffe2 {
template <class Context>
class CreateDBOp final : public Operator<Context> {
public:
CreateDBOp(const OperatorDef& operator_def, Workspace* ws)
: Operator<Context>(operator_def, ws),
db_type_(OperatorBase::template GetSingleArgument<string>(
"db_type",
"leveldb")),
db_name_(OperatorBase::template GetSingleArgument<string>("db", "")),
num_shards_(
OperatorBase::template GetSingleArgument<int>("num_shards", 1)),
shard_id_(
OperatorBase::template GetSingleArgument<int>("shard_id", 0)) {
CAFFE_ENFORCE_GT(db_name_.size(), 0, "Must specify a db name.");
}
bool RunOnDevice() final {
OperatorBase::Output<db::DBReader>(0)->Open(
db_type_, db_name_, num_shards_, shard_id_);
return true;
}
private:
string db_type_;
string db_name_;
uint32_t num_shards_;
uint32_t shard_id_;
C10_DISABLE_COPY_AND_ASSIGN(CreateDBOp);
};
} // namespace caffe2
#endif // CAFFE2_DB_CREATE_DB_OP_H_
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