1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59

#![allow(clippy::assign_op_pattern)]

use std::fmt;

use dataplane::derive::{Decode, Encode};
use fluvio_types::SpuId;
use crate::partition::ReplicaKey;
use crate::core::*;
use crate::store::MetadataStoreObject;
use crate::partition::PartitionSpec;
use super::store::*;

#[derive(Decode, Encode, Debug, PartialEq, Clone, Default)]
pub struct Replica {
    pub id: ReplicaKey,
    pub leader: SpuId,
    pub replicas: Vec<SpuId>,
}

impl Replica {
    pub fn new(id: ReplicaKey, leader: SpuId, replicas: Vec<SpuId>) -> Self {
        Replica {
            id,
            leader,
            replicas,
        }
    }
}

impl<C> From<PartitionMetadata<C>> for Replica
where
    C: MetadataItem,
{
    fn from(item: PartitionMetadata<C>) -> Self {
        let inner: MetadataStoreObject<PartitionSpec, C> = item;
        Self {
            id: inner.key,
            leader: inner.spec.leader,
            replicas: inner.spec.replicas,
        }
    }
}

impl fmt::Display for Replica {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{} leader: {} replicas: [", self.id, self.leader)?;
        for replica in &self.replicas {
            write!(f, "{},", replica)?;
        }
        write!(f, "]")
    }
}

/// given replica, where is leader
#[derive(Decode, Encode, Debug, PartialEq, Clone, Default)]
pub struct ReplicaLeader {
    pub id: ReplicaKey,
    pub leader: SpuId,
}