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Transaction.hpp
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#ifndef V3_SRC_TRANSACTION_HPP_
#define V3_SRC_TRANSACTION_HPP_
#include <memory>
#include <string>
namespace etcdserverpb {
class TxnRequest;
}
namespace etcdv3 {
enum class CompareResult {
EQUAL = 0,
GREATER = 1,
LESS = 2,
NOT_EQUAL = 3,
};
enum class CompareTarget {
VERSION = 0,
CREATE = 1,
MOD = 2,
VALUE = 3,
LEASE = 4,
};
class Transaction {
public:
Transaction();
~Transaction();
union Value {
int64_t version;
int64_t create_revision;
int64_t mod_revision;
std::string value;
int64_t lease;
};
void add_compare(std::string const& key, CompareTarget const& target,
CompareResult const& result, Value const& target_value,
std::string const& range_end = "");
void add_compare_version(std::string const& key, int64_t const& version,
std::string const& range_end = "");
void add_compare_version(std::string const& key, CompareResult const& result,
int64_t const& version,
std::string const& range_end = "");
void add_compare_create(std::string const& key,
int64_t const& create_revision,
std::string const& range_end = "");
void add_compare_create(std::string const& key, CompareResult const& result,
int64_t const& create_revision,
std::string const& range_end = "");
void add_compare_mod(std::string const& key, int64_t const& mod_revision,
std::string const& range_end = "");
void add_compare_mod(std::string const& key, CompareResult const& result,
int64_t const& mod_revision,
std::string const& range_end = "");
void add_compare_value(std::string const& key, std::string const& value,
std::string const& range_end = "");
void add_compare_value(std::string const& key, CompareResult const& result,
std::string const& value,
std::string const& range_end = "");
void add_compare_lease(std::string const& key, int64_t const& lease,
std::string const& range_end = "");
void add_compare_lease(std::string const& key, CompareResult const& result,
int64_t const& lease,
std::string const& range_end = "");
void add_success_range(std::string const& key,
std::string const& range_end = "",
bool const recursive = false, const int64_t limit = 0);
void add_success_put(std::string const& key, std::string const& value,
int64_t const leaseid = 0, const bool prev_kv = false);
void add_success_delete(std::string const& key,
std::string const& range_end = "",
bool const recursive = false,
const bool prev_kv = false);
void add_success_txn(const std::shared_ptr<Transaction> txn);
void add_failure_range(std::string const& key,
std::string const& range_end = "",
bool const recursive = false, const int64_t limit = 0);
void add_failure_put(std::string const& key, std::string const& value,
int64_t const leaseid = 0, const bool prev_kv = false);
void add_failure_delete(std::string const& key,
std::string const& range_end = "",
bool const recursive = false,
const bool prev_kv = false);
void add_failure_txn(const std::shared_ptr<Transaction> txn);
/**
* @brief Compare, and create if succeed. If failed, the response will
* contains the previous value in "values()" field.
*/
void setup_compare_and_create(std::string const& key,
std::string const& prev_value,
std::string const& create_key,
std::string const& value,
int64_t const leaseid = 0);
/**
* @brief Compare, or create if failed. If failed, the response will contains
* the previous value in "values()" field.
*/
void setup_compare_or_create(std::string const& key,
std::string const& prev_value,
std::string const& create_key,
std::string const& value,
int64_t const leaseid = 0);
/**
* @brief Compare, and swap if succeed. If failed, the response will contains
* the previous value in "values()" field.
*/
void setup_compare_and_swap(std::string const& key,
std::string const& prev_value,
std::string const& value,
int64_t const leaseid = 0);
/**
* @brief Compare, and swap if failed. If failed, the response will contains
* the previous value in "values()" field.
*/
void setup_compare_or_swap(std::string const& key,
std::string const& prev_value,
std::string const& value,
int64_t const leaseid = 0);
/**
* @brief Compare, and delete if succeed. If failed, the response will
* contains the previous value in "values()" field.
*/
void setup_compare_and_delete(std::string const& key,
std::string const& prev_value,
std::string const& delete_key,
std::string const& range_end = "",
const bool recursive = false);
/**
* @brief Compare, or delete if failed. If failed, the response will contains
* the previous value in "values()" field.
*/
void setup_compare_or_delete(std::string const& key,
std::string const& prev_value,
std::string const& delete_key,
std::string const& range_end = "",
const bool recursive = false);
/**
* @brief Compare, and create if succeed. If failed, the response will
* contains the previous value in "values()" field.
*/
void setup_compare_and_create(std::string const& key,
const int64_t prev_revision,
std::string const& create_key,
std::string const& value,
int64_t const leaseid = 0);
/**
* @brief Compare, or create if failed. If failed, the response will contains
* the previous value in "values()" field.
*/
void setup_compare_or_create(std::string const& key,
const int64_t prev_revision,
std::string const& create_key,
std::string const& value,
int64_t const leaseid = 0);
/**
* @brief Compare, and swap if succeed. If failed, the response will contains
* the previous value in "values()" field.
*/
void setup_compare_and_swap(std::string const& key,
const int64_t prev_revision,
std::string const& value,
int64_t const leaseid = 0);
/**
* @brief Compare, and swap if failed. If failed, the response will contains
* the previous value in "values()" field.
*/
void setup_compare_or_swap(std::string const& key,
const int64_t prev_revision,
std::string const& value,
int64_t const leaseid = 0);
/**
* @brief Compare, and delete if succeed. If failed, the response will
* contains the previous value in "values()" field.
*/
void setup_compare_and_delete(std::string const& key,
const int64_t prev_revision,
std::string const& delete_key,
std::string const& range_end = "",
const bool recursive = false);
/**
* @brief Compare, or delete if failed. If failed, the response will contains
* the previous value in "values()" field.
*/
void setup_compare_or_delete(std::string const& key,
const int64_t prev_revision,
std::string const& delete_key,
std::string const& range_end = "",
const bool recursive = false);
// Keep for backwards compatibility.
// update without `get` and no `prev_kv` returned
void setup_put(std::string const& key, std::string const& value);
void setup_delete(std::string const& key);
void setup_delete(std::string const& key, std::string const& range_end,
const bool recursive = false);
std::shared_ptr<etcdserverpb::TxnRequest> txn_request;
};
} // namespace etcdv3
#endif