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ircd:Ⓜ️ Add single-property getter interface for event.

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This commit is contained in:
Jason Volk 2018-05-11 19:21:56 -07:00
parent b2badad065
commit a1c3788c38
2 changed files with 134 additions and 0 deletions
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11
include/ircd/m/event.h
View file

@ -201,6 +201,17 @@ struct ircd::m::event::fetch
friend void seek(fetch &, const idx &);
friend bool seek(fetch &, const id &, std::nothrow_t);
friend void seek(fetch &, const id &);
using view_closure = std::function<void (const string_view &)>;
friend bool get(std::nothrow_t, const idx &, const string_view &key, const view_closure &);
friend bool get(std::nothrow_t, const id &, const string_view &key, const view_closure &);
friend void get(const idx &, const string_view &key, const view_closure &);
friend void get(const id &, const string_view &key, const view_closure &);
friend const_buffer get(std::nothrow_t, const idx &, const string_view &key, const mutable_buffer &out);
friend const_buffer get(std::nothrow_t, const id &, const string_view &key, const mutable_buffer &out);
friend const_buffer get(const idx &, const string_view &key, const mutable_buffer &out);
friend const_buffer get(const id &, const string_view &key, const mutable_buffer &out);
};
/// Device to evaluate the conformity of an event object. This is an 'in vitro'

123
ircd/m/event.cc
View file

@ -1204,6 +1204,129 @@ const
// event::fetch
//
ircd::const_buffer
ircd::m::get(const event::id &event_id,
const string_view &key,
const mutable_buffer &out)
{
const auto &ret
{
get(std::nothrow, index(event_id), key, out)
};
if(!ret)
throw m::NOT_FOUND
{
"%s for %s not found in database",
key,
string_view{event_id}
};
return ret;
}
ircd::const_buffer
ircd::m::get(const event::idx &event_idx,
const string_view &key,
const mutable_buffer &out)
{
const const_buffer ret
{
get(std::nothrow, event_idx, key, out)
};
if(!ret)
throw m::NOT_FOUND
{
"%s for event_idx[%lu] not found in database",
key,
event_idx
};
return ret;
}
ircd::const_buffer
ircd::m::get(std::nothrow_t,
const event::id &event_id,
const string_view &key,
const mutable_buffer &buf)
{
return get(std::nothrow, index(event_id), key, buf);
}
ircd::const_buffer
ircd::m::get(std::nothrow_t,
const event::idx &event_idx,
const string_view &key,
const mutable_buffer &buf)
{
const_buffer ret;
get(std::nothrow, event_idx, key, [&buf, &ret]
(const string_view &value)
{
ret = { data(buf), copy(buf, value) };
});
return ret;
}
void
ircd::m::get(const event::id &event_id,
const string_view &key,
const event::fetch::view_closure &closure)
{
if(!get(std::nothrow, index(event_id), key, closure))
throw m::NOT_FOUND
{
"%s for %s not found in database",
key,
string_view{event_id}
};
}
void
ircd::m::get(const event::idx &event_idx,
const string_view &key,
const event::fetch::view_closure &closure)
{
if(!get(std::nothrow, event_idx, key, closure))
throw m::NOT_FOUND
{
"%s for event_idx[%lu] not found in database",
key,
event_idx
};
}
bool
ircd::m::get(std::nothrow_t,
const event::id &event_id,
const string_view &key,
const event::fetch::view_closure &closure)
{
return get(std::nothrow, index(event_id), key, closure);
}
bool
ircd::m::get(std::nothrow_t,
const event::idx &event_idx,
const string_view &key,
const event::fetch::view_closure &closure)
{
const auto &column_idx
{
json::indexof<event>(key)
};
auto &column
{
dbs::event_column.at(column_idx)
};
return column(byte_view<string_view>{event_idx}, std::nothrow, closure);
}
void
ircd::m::seek(event::fetch &fetch,
const event::id &event_id)