Trait Cache

pub trait Cache {
    type Item;
    type Client;

    // Required methods
    async fn new() -> Self;
    async fn get_con(&self) -> Self::Client;
    async fn get(&self, id: Self::Item) -> Option<String>;
    async fn set(&self, id: Self::Item, content: Self::Item) -> bool;
    async fn update(&self, id: Self::Item, content: Self::Item) -> bool;
    async fn remove(&self, id: Self::Item) -> bool;
    async fn remove_starting_with(&self, id: Self::Item) -> bool;
    async fn incr(&self, id: Self::Item) -> bool;
    async fn decr(&self, id: Self::Item) -> bool;
    async fn get_timed<T: Serialize + DeserializeOwned>(
        &self,
        id: Self::Item,
    ) -> Option<TimedObject<T>>;
    async fn set_timed<T: Serialize + DeserializeOwned>(
        &self,
        id: Self::Item,
        content: T,
    ) -> bool;
}

A simple cache “database”.

Required Associated Types

type Item

type Client

Required Methods

async fn new() -> Self

Create a new Cache.

async fn get_con(&self) -> Self::Client

Get a connection to the cache.

async fn get(&self, id: Self::Item) -> Option<String>

Get a cache object by its identifier

Arguments

• id - String of the object’s id

async fn set(&self, id: Self::Item, content: Self::Item) -> bool

Set a cache object by its identifier and content

Arguments

• id - String of the object’s id
• content - String of the object’s content

async fn update(&self, id: Self::Item, content: Self::Item) -> bool

Update a cache object by its identifier and content

Arguments

• id - String of the object’s id
• content - String of the object’s content

async fn remove(&self, id: Self::Item) -> bool

Remove a cache object by its identifier

Arguments

• id - String of the object’s id

async fn remove_starting_with(&self, id: Self::Item) -> bool

Remove a cache object by its identifier(’s start)

Arguments

• id - String of the object’s id(’s start)

async fn incr(&self, id: Self::Item) -> bool

Increment a cache object by its identifier

Arguments

• id - String of the object’s id

async fn decr(&self, id: Self::Item) -> bool

Decrement a cache object by its identifier

Arguments

• id - String of the object’s id

async fn get_timed<T: Serialize + DeserializeOwned>( &self, id: Self::Item, ) -> Option<TimedObject<T>>

Get a cache object by its identifier

Arguments

• id - String of the object’s id

async fn set_timed<T: Serialize + DeserializeOwned>( &self, id: Self::Item, content: T, ) -> bool

Set a cache object by its identifier and content

Arguments

• id - String of the object’s id
• content - String of the object’s content

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl Cache for RedisCache

type Item = String

type Client = Connection