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use serde::{ser::SerializeMap, Serialize, Serializer};
pub struct KeyValue {
pub(super) key: String,
pub(super) value: Vec<u8>,
}
impl Serialize for KeyValue {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let mut state = serializer.serialize_map(Some(1))?;
if let Ok(s) = std::str::from_utf8(&self.value) {
state.serialize_entry(&self.key, s)?;
} else {
state.serialize_entry(&self.key, &self.value)?;
}
state.end()
}
}
impl KeyValue {
pub fn new(key: impl Into<String>, value: impl Into<Vec<u8>>) -> Self {
KeyValue {
key: key.into(),
value: value.into(),
}
}
pub fn key(&self) -> &str {
&self.key
}
pub fn value(&self) -> &[u8] {
&self.value
}
}
#[derive(Clone, Copy, PartialEq)]
pub enum Activity {
Inactive = 0,
Active = 1,
}
pub enum Term {
Defalut,
Overwrite(i64),
}
pub enum Operation {
New {
activity: Activity,
term_begin: Term,
term_end: Term,
fields: Vec<KeyValue>,
},
Update {
row: u32,
activity: Activity,
term_begin: Term,
term_end: Term,
fields: Vec<KeyValue>,
},
Delete {
row: u32,
},
}