flv-metadata 0.1.0

Fluvio metadata
Documentation 
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//!
//! # Partition Spec
//!
//! Partition Spec metadata information cached locally.
//!
use types::SpuId;
use kf_protocol::derive::{Decode, Encode};
use k8_metadata::partition::PartitionSpec as K8PartitionSpec;

// -----------------------------------
// Data Structures
// -----------------------------------

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

// -----------------------------------
// Encode - from K8 PartitionSpec
// -----------------------------------

impl From<K8PartitionSpec> for PartitionSpec {
    fn from(kv_spec: K8PartitionSpec) -> Self {
        PartitionSpec {
            leader: kv_spec.leader,
            replicas: kv_spec.replicas,
        }
    }
}

impl From<PartitionSpec> for K8PartitionSpec {
    fn from(spec: PartitionSpec) -> K8PartitionSpec {
        K8PartitionSpec {
            leader: spec.leader,
            replicas: spec.replicas
        }
    }
}

// -----------------------------------
// Default
// -----------------------------------

impl std::default::Default for PartitionSpec {
    fn default() -> Self {
        PartitionSpec {
            leader: 0,
            replicas: Vec::default(),
        }
    }
}

// -----------------------------------
// Implementation
// -----------------------------------

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

    pub fn has_spu(&self,spu: &SpuId) -> bool {
        self.replicas.contains(spu)
    }
    
}

impl From<Vec<i32>> for PartitionSpec {
    fn from(replicas: Vec<i32>) -> Self {
        if replicas.len() > 0 {
            Self::new( replicas[0].clone(),replicas)
        } else {
            Self::new( 0, replicas)
        }
        
    }
}