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CoreRefBackend

refs::refs

Trait CoreRefBackend 

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pub trait CoreRefBackend: Send + Sync {
    type Error;


Show 17 methods    // Required methods
    fn read_head(&self) -> Result<Head, Self::Error>;
    fn write_head(&self, head: &Head) -> Result<(), Self::Error>;
    fn write_head_cas(
        &self,
        expected: RefExpectation<Head>,
        head: &Head,
    ) -> Result<(), Self::Error>;
    fn get_thread(&self, name: &str) -> Result<Option<ChangeId>, Self::Error>;
    fn set_thread(
        &self,
        name: &str,
        state: &ChangeId,
    ) -> Result<(), Self::Error>;
    fn set_thread_cas(
        &self,
        name: &str,
        expected: RefExpectation<ChangeId>,
        state: &ChangeId,
    ) -> Result<(), Self::Error>;
    fn delete_thread(&self, name: &str) -> Result<Option<ChangeId>, Self::Error>;
    fn delete_thread_cas(
        &self,
        name: &str,
        expected: RefExpectation<ChangeId>,
    ) -> Result<(), Self::Error>;
    fn list_threads(&self) -> Result<Vec<String>, Self::Error>;
    fn get_marker(&self, name: &str) -> Result<Option<ChangeId>, Self::Error>;
    fn create_marker(
        &self,
        name: &str,
        state: &ChangeId,
    ) -> Result<(), Self::Error>;
    fn set_marker_cas(
        &self,
        name: &str,
        expected: RefExpectation<ChangeId>,
        state: &ChangeId,
    ) -> Result<(), Self::Error>;
    fn delete_marker(&self, name: &str) -> Result<Option<ChangeId>, Self::Error>;
    fn delete_marker_cas(
        &self,
        name: &str,
        expected: RefExpectation<ChangeId>,
    ) -> Result<(), Self::Error>;
    fn list_markers(&self) -> Result<Vec<String>, Self::Error>;
    fn update_refs(&self, updates: &[RefUpdate]) -> Result<(), Self::Error>;

    // Provided method
    fn resolve(&self, refspec: &str) -> Result<Option<ChangeId>, Self::Error> { ... }

}
Expand description

Shared refs backend operations usable by both local and hosted backends.

Required Associated Types§

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type Error

Required Methods§

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fn read_head(&self) -> Result<Head, Self::Error>

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fn write_head(&self, head: &Head) -> Result<(), Self::Error>

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fn write_head_cas( &self, expected: RefExpectation<Head>, head: &Head, ) -> Result<(), Self::Error>

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fn get_thread(&self, name: &str) -> Result<Option<ChangeId>, Self::Error>

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fn set_thread(&self, name: &str, state: &ChangeId) -> Result<(), Self::Error>

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fn set_thread_cas( &self, name: &str, expected: RefExpectation<ChangeId>, state: &ChangeId, ) -> Result<(), Self::Error>

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fn delete_thread(&self, name: &str) -> Result<Option<ChangeId>, Self::Error>

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fn delete_thread_cas( &self, name: &str, expected: RefExpectation<ChangeId>, ) -> Result<(), Self::Error>

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fn list_threads(&self) -> Result<Vec<String>, Self::Error>

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fn get_marker(&self, name: &str) -> Result<Option<ChangeId>, Self::Error>

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fn create_marker(&self, name: &str, state: &ChangeId) -> Result<(), Self::Error>

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fn set_marker_cas( &self, name: &str, expected: RefExpectation<ChangeId>, state: &ChangeId, ) -> Result<(), Self::Error>

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fn delete_marker(&self, name: &str) -> Result<Option<ChangeId>, Self::Error>

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fn delete_marker_cas( &self, name: &str, expected: RefExpectation<ChangeId>, ) -> Result<(), Self::Error>

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fn list_markers(&self) -> Result<Vec<String>, Self::Error>

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fn update_refs(&self, updates: &[RefUpdate]) -> Result<(), Self::Error>

Provided Methods§

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fn resolve(&self, refspec: &str) -> Result<Option<ChangeId>, Self::Error>

Implementors§