twilight_cache_inmemory/
builder.rs

1use std::fmt::Debug;
2use std::marker::PhantomData;
3
4use crate::{CacheableModels, DefaultCacheModels};
5
6use super::{
7    config::{Config, ResourceType},
8    InMemoryCache,
9};
10
11/// Builder to configure and construct an [`InMemoryCache`].
12#[allow(clippy::type_complexity)]
13#[must_use = "has no effect if not built"]
14#[derive(Debug)]
15pub struct InMemoryCacheBuilder<CacheModels: CacheableModels = DefaultCacheModels>(
16    Config,
17    PhantomData<CacheModels>,
18);
19
20impl<CacheModels: CacheableModels> InMemoryCacheBuilder<CacheModels> {
21    /// Creates a builder to configure and construct an [`InMemoryCache`].
22    pub const fn new() -> Self {
23        Self(Config::new(), PhantomData)
24    }
25
26    /// Consume the builder, returning a configured cache.
27    #[allow(clippy::type_complexity)]
28    pub fn build(self) -> InMemoryCache<CacheModels> {
29        InMemoryCache::new_with_config(self.0)
30    }
31
32    /// Sets the list of resource types for the cache to handle.
33    ///
34    /// Defaults to all types.
35    pub const fn resource_types(mut self, resource_types: ResourceType) -> Self {
36        self.0.resource_types = resource_types;
37
38        self
39    }
40
41    /// Sets the number of messages to cache per channel.
42    ///
43    /// Defaults to 100.
44    pub const fn message_cache_size(mut self, message_cache_size: usize) -> Self {
45        self.0.message_cache_size = message_cache_size;
46
47        self
48    }
49}
50
51impl<CacheModels: CacheableModels> Default for InMemoryCacheBuilder<CacheModels> {
52    fn default() -> Self {
53        Self(Config::default(), PhantomData)
54    }
55}
56
57#[cfg(test)]
58mod tests {
59    use super::InMemoryCacheBuilder;
60    use static_assertions::assert_impl_all;
61    use std::fmt::Debug;
62
63    assert_impl_all!(InMemoryCacheBuilder: Debug, Default, Send, Sync);
64}
twilight_cache_inmemory/builder.rs

twilight_cache_inmemory/
builder.rs
