ESC (ecto_struct_cachex v0.2.2)
Sample
This Sample Project is the basis for ecto_struct_cachex, help you use well.
Problems Solving
- Support getting struct by keyword from cache.
# define Cache by using ESC (ecto_struct_cachex)
defmodule ObjectCache do
use ESC
end
# use ObjectCache to inject cache_object/1, cache_put/1, cache_evict/1 decorators.
defmodule API do
use ObjectCache
@decorate cache_object(User)
def get_user(conds) do
...
{:ok, user}
end
end
# pass keyword to get object.
API.get_user([name: "name", addr: "addr"])
- Delete dirty structs when its deep nested struct updated/deleted.
%{
User => [
%User{
id: 1,
user_name: "u_name",
role: %Role{id: 2, role_name: "r_name2"}
},
],
Role => [
%Role{id: 1, role_name: "r_name1"},
%Role{id: 2, role_name: "r_name2"}
]
}
For above sample data, role id=2
struct deleted/updated, user id=1
struct will be deleted too.
Cache based on LRU algorithm.
Benchmark
mix bench
benchmark name iterations average time
only put 100000000 0.09 µs/op
get - empty cond 10000000 0.15 µs/op
put - should remove 10000000 0.23 µs/op
get - by id - obj at top 10000000 0.27 µs/op
get - by conds - obj at top 10000000 0.58 µs/op
get - by conds - obj at mid 1000000 1.71 µs/op
get - by conds - obj at bottom 1000000 2.21 µs/op