juiz_core 0.0.11

use crate::prelude::*;
use juiz_sdk::{anyhow::anyhow, manifests::ProcessProfile};
use std::fmt::Debug;
use std::sync::{Arc, RwLock, RwLockReadGuard, RwLockWriteGuard};
/// ContainerProcessを生成するためのFactoryクラスのtrait
///
///
pub trait ContainerProcessFactory: JuizObject + Debug + 'static {
    /// ContainerProcessを生成
    ///
    fn create_container_process(
        &self,
        container: ContainerPtr,
        manifest: &ProcessManifest,
    ) -> JuizResult<ProcessPtr>;

    fn destroy_container_process(&mut self, p: ProcessPtr) -> JuizResult<ProcessProfile>;
}

// pub type ContainerProcessFactoryPtr = Arc<Mutex<dyn ContainerProcessFactory>>;

#[derive(Clone, Debug)]
pub struct ContainerProcessFactoryPtr {
    identifier: Identifier,
    type_name: String,
    ptr: Arc<RwLock<dyn ContainerProcessFactory>>,
}

impl std::fmt::Display for ContainerProcessFactoryPtr {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.write_fmt(format_args!(
            "ContainerProcessFactoryPtr(type_name={}, identifier={})",
            self.type_name, self.identifier
        ))
    }
}

impl ContainerProcessFactoryPtr {
    pub fn new(proc: impl ContainerProcessFactory) -> Self {
        let identifier = proc.identifier().clone();
        ContainerProcessFactoryPtr {
            identifier,
            type_name: proc.type_name().to_owned(),
            ptr: Arc::new(RwLock::new(proc)),
        }
    }

    pub fn identifier(&self) -> &Identifier {
        &self.identifier
    }

    pub fn type_name(&self) -> &str {
        self.type_name.as_str()
    }

    pub fn lock(&self) -> JuizResult<RwLockReadGuard<dyn ContainerProcessFactory>> {
        self.ptr.read().or_else(|_| {
            Err(anyhow!(JuizError::ObjectLockError {
                target: "ProcessPtr".to_owned()
            }))
        })
    }

    pub fn lock_mut(&self) -> JuizResult<RwLockWriteGuard<dyn ContainerProcessFactory>> {
        self.ptr.write().or_else(|_| {
            Err(anyhow!(JuizError::ObjectLockError {
                target: "ProcessPtr".to_owned()
            }))
        })
    }
}