Trait lal::CachedBackend [−] [src]

pub trait CachedBackend {
    fn retrieve_published_component(
        &self, 
        name: &str, 
        version: Option<u32>, 
        env: Option<&str>
    ) -> LalResult<(PathBuf, Component)>;
    fn retrieve_stashed_component(
        &self, 
        name: &str, 
        code: &str
    ) -> LalResult<PathBuf>;
    fn unpack_published_component(
        &self, 
        name: &str, 
        version: Option<u32>, 
        env: Option<&str>
    ) -> LalResult<Component>;
    fn unpack_stashed_component(&self, name: &str, code: &str) -> LalResult<()>;
    fn stash_output(&self, name: &str, code: &str) -> LalResult<()>;
}

A secondary trait that builds upon the Backend trait

This wraps the common fetch commands in a caching layer on the cache dir.

Required Methods

`fn retrieve_published_component( &self, name: &str, version: Option<u32>, env: Option<&str> ) -> LalResult<(PathBuf, Component)>`

Retrieve the location to a cached published component (downloading if necessary)

`fn retrieve_stashed_component( &self, name: &str, code: &str ) -> LalResult<PathBuf>`

Retrieve the location to a stashed component

`fn unpack_published_component( &self, name: &str, version: Option<u32>, env: Option<&str> ) -> LalResult<Component>`

Retrieve and unpack a cached component in INPUT

`fn unpack_stashed_component(&self, name: &str, code: &str) -> LalResult<()>`

Retrieve and unpack a stashed component to INPUT

`fn stash_output(&self, name: &str, code: &str) -> LalResult<()>`

Add a stashed component from a folder

Implementors

impl<T: ?Sized> CachedBackend for T where T: Backend,

Trait lal::CachedBackend [−] [src]

Required Methods

fn retrieve_published_component( &self, name: &str, version: Option<u32>, env: Option<&str>) -> LalResult<(PathBuf, Component)>

fn retrieve_stashed_component( &self, name: &str, code: &str) -> LalResult<PathBuf>

fn unpack_published_component( &self, name: &str, version: Option<u32>, env: Option<&str>) -> LalResult<Component>