Trait email::backend::context::BackendContextBuilder

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pub trait BackendContextBuilder: Clone + Send + Sync {
    type Context: BackendContext;

Show 22 methods    // Required method
    fn build<'async_trait>(
        self
    ) -> Pin<Box<dyn Future<Output = AnyResult<Self::Context>> + Send + 'async_trait>>
       where Self: 'async_trait;

    // Provided methods
    fn check_up(&self) -> Option<BackendFeature<Self::Context, dyn CheckUp>> { ... }
    fn add_folder(&self) -> Option<BackendFeature<Self::Context, dyn AddFolder>> { ... }
    fn list_folders(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn ListFolders>> { ... }
    fn expunge_folder(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn ExpungeFolder>> { ... }
    fn purge_folder(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn PurgeFolder>> { ... }
    fn delete_folder(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn DeleteFolder>> { ... }
    fn get_envelope(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn GetEnvelope>> { ... }
    fn list_envelopes(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn ListEnvelopes>> { ... }
    fn watch_envelopes(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn WatchEnvelopes>> { ... }
    fn add_flags(&self) -> Option<BackendFeature<Self::Context, dyn AddFlags>> { ... }
    fn set_flags(&self) -> Option<BackendFeature<Self::Context, dyn SetFlags>> { ... }
    fn remove_flags(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn RemoveFlags>> { ... }
    fn add_message(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn AddMessage>> { ... }
    fn send_message(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn SendMessage>> { ... }
    fn peek_messages(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn PeekMessages>> { ... }
    fn get_messages(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn GetMessages>> { ... }
    fn copy_messages(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn CopyMessages>> { ... }
    fn move_messages(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn MoveMessages>> { ... }
    fn delete_messages(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn DeleteMessages>> { ... }
    fn remove_messages(
        &self
    ) -> Option<BackendFeature<Self::Context, dyn RemoveMessages>> { ... }
    fn try_to_sync_cache_builder(
        &self,
        account_config: &AccountConfig
    ) -> Result<MaildirContextBuilder, Error>
       where Self: SyncHash { ... }
}

Expand description

The backend context builder.

This trait defines how a context should be built. It also defines default backend features implemented by the context itself.

Required Associated Types§

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type Context: BackendContext

The type of the context being built by this builder.

Required Methods§

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fn build<'async_trait>( self ) -> Pin<Box<dyn Future<Output = AnyResult<Self::Context>> + Send + 'async_trait>>
where Self: 'async_trait,

Build the final context used by the backend.