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use std::{any::Any, str::FromStr};
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use giterated_models::{
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object::GiteratedObject,
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operation::GiteratedOperation,
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settings::Setting,
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value::{GetValueTyped, GiteratedObjectValue},
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};
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use serde_json::Value;
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pub struct ValueMeta {
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pub name: String,
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pub deserialize: Box<dyn Fn(&[u8]) -> Result<Box<dyn Any>, serde_json::Error> + Send + Sync>,
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pub serialize:
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Box<dyn Fn(Box<dyn Any + Send + Sync>) -> Result<Vec<u8>, serde_json::Error> + Send + Sync>,
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pub typed_get: Box<dyn Fn() -> Box<dyn Any + Send + Sync> + Send + Sync>,
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pub is_get_value_typed: Box<dyn Fn(&Box<dyn Any + Send + Sync>) -> bool + Send + Sync>,
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}
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pub trait IntoValueMeta {
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fn name() -> String;
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fn deserialize(buffer: &[u8]) -> Result<Box<dyn Any>, serde_json::Error>;
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fn serialize(value: Box<dyn Any + Send + Sync>) -> Result<Vec<u8>, serde_json::Error>;
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fn typed_get() -> Box<dyn Any + Send + Sync>;
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fn is_get_value_typed(typed_get_value: &Box<dyn Any + Send + Sync>) -> bool;
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}
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impl<O: GiteratedObject, V: GiteratedObjectValue<Object = O> + 'static> IntoValueMeta for V {
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fn name() -> String {
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V::value_name().to_string()
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}
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fn deserialize(buffer: &[u8]) -> Result<Box<dyn Any>, serde_json::Error> {
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Ok(Box::new(serde_json::from_slice(&buffer)?))
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}
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fn serialize(value: Box<dyn Any + Send + Sync>) -> Result<Vec<u8>, serde_json::Error> {
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let value = value.downcast::<V>().unwrap();
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Ok(serde_json::to_vec(&*value)?)
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}
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fn typed_get() -> Box<dyn Any + Send + Sync> {
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Box::new(GetValueTyped::<V> {
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value_name: V::value_name().to_string(),
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ty: Default::default(),
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})
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}
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fn is_get_value_typed(typed_get_value: &Box<dyn Any + Send + Sync>) -> bool {
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typed_get_value.is::<GetValueTyped<V>>()
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}
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}
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impl ValueMeta {
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pub fn new<I: IntoValueMeta + 'static>() -> Self {
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Self {
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name: I::name(),
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deserialize: Box::new(I::deserialize) as _,
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serialize: Box::new(I::serialize) as _,
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typed_get: Box::new(I::typed_get) as _,
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is_get_value_typed: Box::new(I::is_get_value_typed) as _,
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}
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}
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}
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pub struct OperationMeta {
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pub name: String,
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pub object_kind: String,
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pub deserialize:
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Box<dyn Fn(&[u8]) -> Result<Box<dyn Any + Send + Sync>, serde_json::Error> + Send + Sync>,
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pub any_is_same: Box<dyn Fn(&dyn Any) -> bool + Send + Sync>,
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pub serialize_success:
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Box<dyn Fn(Box<dyn Any>) -> Result<Vec<u8>, serde_json::Error> + Send + Sync>,
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pub serialize_error:
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Box<dyn Fn(Box<dyn Any>) -> Result<Vec<u8>, serde_json::Error> + Send + Sync>,
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}
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pub trait IntoOperationMeta<O> {
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fn name() -> String;
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fn deserialize(buffer: &[u8]) -> Result<Box<dyn Any + Send + Sync>, serde_json::Error>;
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fn serialize_success(success: Box<dyn Any>) -> Result<Vec<u8>, serde_json::Error>;
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fn serialize_failure(failure: Box<dyn Any>) -> Result<Vec<u8>, serde_json::Error>;
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fn any_is_same(other: &dyn Any) -> bool;
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}
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impl<O, D> IntoOperationMeta<O> for D
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where
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D::Failure: 'static,
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D::Success: 'static,
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O: GiteratedObject,
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D: GiteratedOperation<O> + 'static,
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{
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fn name() -> String {
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D::operation_name().to_string()
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}
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fn deserialize(buffer: &[u8]) -> Result<Box<dyn Any + Send + Sync>, serde_json::Error> {
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Ok(Box::new(serde_json::from_slice::<D>(buffer)?) as Box<dyn Any + Send + Sync>)
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}
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fn serialize_success(success: Box<dyn Any>) -> Result<Vec<u8>, serde_json::Error> {
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let to_serialize = success.downcast::<D::Success>().unwrap();
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serde_json::to_vec(&to_serialize)
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}
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fn serialize_failure(failure: Box<dyn Any>) -> Result<Vec<u8>, serde_json::Error> {
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let to_serialize = failure.downcast::<D::Failure>().unwrap();
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serde_json::to_vec(&to_serialize)
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}
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fn any_is_same(other: &dyn Any) -> bool {
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other.is::<D>()
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}
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}
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impl OperationMeta {
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pub fn new<O: GiteratedObject + 'static, I: IntoOperationMeta<O> + 'static>() -> Self {
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Self {
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name: I::name(),
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deserialize: Box::new(I::deserialize) as _,
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serialize_success: Box::new(I::serialize_success) as _,
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serialize_error: Box::new(I::serialize_failure) as _,
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object_kind: O::object_name().to_string(),
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any_is_same: Box::new(I::any_is_same) as _,
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}
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}
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}
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pub struct ObjectMeta {
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pub name: String,
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pub from_str: Box<dyn Fn(&str) -> Result<Box<dyn Any + Send + Sync>, ()> + Send + Sync>,
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pub any_is_same: Box<dyn Fn(&dyn Any) -> bool + Send + Sync>,
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}
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pub trait IntoObjectMeta: FromStr {
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fn name() -> String;
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fn any_is_same(other: &dyn Any) -> bool;
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}
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impl<O: GiteratedObject + 'static> IntoObjectMeta for O {
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fn name() -> String {
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O::object_name().to_string()
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}
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fn any_is_same(other: &dyn Any) -> bool {
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other.is::<O>()
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}
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}
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impl ObjectMeta {
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pub fn new<I: IntoObjectMeta + Send + Sync + 'static>() -> Self {
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Self {
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name: I::name(),
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from_str: Box::new(|source| {
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let object = I::from_str(source).map_err(|_| ())?;
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Ok(Box::new(object) as Box<dyn Any + Send + Sync>)
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}),
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any_is_same: Box::new(I::any_is_same) as _,
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}
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}
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}
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pub struct SettingMeta {
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pub name: String,
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pub deserialize: Box<dyn Fn(&[u8]) -> Result<Box<dyn Any>, serde_json::Error> + Send + Sync>,
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pub serialize:
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Box<dyn Fn(Box<dyn Any + Send + Sync>) -> Result<Value, serde_json::Error> + Send + Sync>,
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}
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pub trait IntoSettingMeta {
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fn name() -> String;
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fn deserialize(buffer: &[u8]) -> Result<Box<dyn Any>, serde_json::Error>;
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fn serialize(setting: Box<dyn Any + Send + Sync>) -> Result<Value, serde_json::Error>;
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}
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impl<S: Setting> IntoSettingMeta for S {
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fn name() -> String {
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S::name().to_string()
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}
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fn deserialize(buffer: &[u8]) -> Result<Box<dyn Any>, serde_json::Error> {
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Ok(Box::new(serde_json::from_slice(buffer)?))
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}
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fn serialize(setting: Box<dyn Any + Send + Sync>) -> Result<Value, serde_json::Error> {
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Ok(*setting.downcast::<Value>().unwrap())
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}
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}
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impl SettingMeta {
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pub fn new<I: IntoSettingMeta + 'static>() -> Self {
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Self {
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name: I::name(),
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deserialize: Box::new(I::deserialize) as _,
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serialize: Box::new(I::serialize) as _,
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}
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}
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}
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