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Oct 29, 2024
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docs(volo): metadata RPC style guide #1163

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11 changes: 8 additions & 3 deletions content/zh/docs/volo/guide/metadata.md
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,12 @@ impl volo_gen::volo::example::ItemService for S {
mi.get_all_persistents(),
mi.get_all_upstreams()
);
mi.set_backward_transient("test_backward", "test_backward_value");
// 获取某个值，需要注意的是，自metainfo:0.7.11后元信息统一风格(RPC采用全大写+下划线"_"作分隔符)，
// 上游的元信息会自动将小写转换为大写，"-"转换为"_"，如"TEST_transient-key"会被转换为"TEST_TRANSIENT_KEY"
println!("TEST_PERSISTENT_KEY: {:?}", mi.get_persistent("TEST_PERSISTENT_KEY"));
println!("TEST_TRANSIENT_KEY: {:?}", mi.get_upstream("TEST_TRANSIENT_KEY"));

mi.set_backward_transient("TEST_BACKWARD", "test_backward_value");
});
Ok(Default::default())
}
Expand Down Expand Up @@ -81,8 +86,8 @@ lazy_static! {
#[volo::main]
async fn main() {
let mut mi = MetaInfo::new();
mi.set_persistent("test_persistent_key", "test_persistent");
mi.set_transient("test_transient_key", "test_transient");
mi.set_persistent("TEST_PERSISTENT_KEY", "test_persistent");
mi.set_transient("TEST_TRANSIENT_KEY", "test_transient");

METAINFO
.scope(RefCell::new(mi), async move {
Expand Down
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