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Provider type abstraction, partially completed.

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This commit is contained in:
Teemu Ollakka
2018-06-09 23:28:02 +03:00
parent 2cecb3defe
commit e74b214c9c
15 changed files with 646 additions and 263 deletions
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33
include/wsrep/key.hpp
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@ -6,35 +6,42 @@
#define WSREP_KEY_HPP
#include "exception.hpp"
#include "buffer.hpp"
namespace wsrep
{
class key
{
public:
key()
: key_parts_()
, key_()
enum type
{
key_.key_parts = key_parts_;
key_.key_parts_num = 0;
}
shared,
semi_shared,
semi_exclusive,
exclusive
};
key(enum type type)
: type_(type)
, key_parts_()
, key_parts_len_()
{ }
void append_key_part(const void* ptr, size_t len)
{
if (key_.key_parts_num == 3)
if (key_parts_len_ == 3)
{
throw wsrep::runtime_error("key parts exceed maximum of 3");
}
key_parts_[key_.key_parts_num].ptr = ptr;
key_parts_[key_.key_parts_num].len = len;
++key_.key_parts_num;
key_parts_[key_parts_len_] = wsrep::buffer(ptr, len);
++key_parts_len_;
}
const wsrep_key_t& get() const { return key_; }
private:
wsrep_buf_t key_parts_[3];
wsrep_key_t key_;
enum type type_;
wsrep::buffer key_parts_[3];
size_t key_parts_len_;
};
}