mirror of
https://github.com/codership/wsrep-lib.git
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9e8e6d47ba
* Removed redundant data class * Introduced const_buffer and mutable_buffer * Transaction context and client context interface refactoring
63 lines
1.2 KiB
C++
63 lines
1.2 KiB
C++
//
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// Copyright (C) 2018 Codership Oy <info@codership.com>
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//
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#ifndef WSREP_KEY_HPP
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#define WSREP_KEY_HPP
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#include "exception.hpp"
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#include "buffer.hpp"
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namespace wsrep
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{
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class key
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{
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public:
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enum type
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{
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shared,
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semi_shared,
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semi_exclusive,
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exclusive
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};
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key(enum type type)
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: type_(type)
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, key_parts_()
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, key_parts_len_()
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{ }
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void append_key_part(const void* ptr, size_t len)
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{
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if (key_parts_len_ == 3)
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{
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throw wsrep::runtime_error("key parts exceed maximum of 3");
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}
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key_parts_[key_parts_len_] = wsrep::const_buffer(ptr, len);
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++key_parts_len_;
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}
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enum type type() const
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{
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return type_;
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}
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size_t size() const
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{
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return key_parts_len_;
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}
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const wsrep::const_buffer* key_parts() const
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{
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return key_parts_;
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}
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private:
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enum type type_;
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wsrep::const_buffer key_parts_[3];
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size_t key_parts_len_;
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};
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}
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#endif // WSREP_KEY_HPP
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