mod collection;

mod names;

mod schematic;

/// Types for defining map/reduce-powered `View`s.

pub mod view;

use std::fmt::Debug;

pub use self::{

    collection::{

        Collection, DefaultSerialization, Entry, InsertError, List, NamedCollection,

        NamedReference, SerializedCollection,

    },

    names::{Authority, CollectionName, InvalidNameError, Name, SchemaName, ViewName},

    schematic::Schematic,

    view::{

        map::{Map, MappedValue, ViewMappedValue},

        CollectionViewSchema, DefaultViewSerialization, Key, ReduceResult, SerializedView, View,

        ViewMapResult, ViewSchema,

    },

};

use crate::Error;

/// Defines a group of collections that are stored into a single database.

pub trait Schema: Send + Sync + Debug + 'static {

    /// Returns the unique [`SchemaName`] for this schema.

    fn schema_name() -> SchemaName;

    /// Defines the `Collection`s into `schema`.

    fn define_collections(schema: &mut Schematic) -> Result<(), Error>;

    /// Retrieves the [`Schematic`] for this schema.

}

/// This implementation is for accessing databases when interacting with

/// collections isn't required. For example, accessing only the key-value store

/// or pubsub.

impl Schema for () {

}

impl<T> Schema for T

where

    T: Collection + 'static,

{

}