Trait tikv_util::logger::file_log::Rotator

pub trait Rotator: Send {
    fn is_enabled(&self) -> bool;
    fn prepare(&mut self, file: &File) -> Result<()>;
    fn should_rotate(&self) -> bool;
    fn on_write(&mut self, data: &[u8]) -> Result<()>;
    fn on_rotate(&mut self) -> Result<()>;
}

A trait that describes a file rotation operation.

Required methods

fn is_enabled(&self) -> bool

Check if the option is enabled in configuration. Return true if the rotator is valid.

fn prepare(&mut self, file: &File) -> Result<()>

Call by operator, initializes the states of rotators.

fn should_rotate(&self) -> bool

Return if the file need to be rotated.

fn on_write(&mut self, data: &[u8]) -> Result<()>

Call by operator, update rotators’ state while the operator try to write some data.

fn on_rotate(&mut self) -> Result<()>

Call by operator, update rotators’ state while the operator execute a rotation.

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Implementors

impl Rotator for RotateBySize

fn is_enabled(&self) -> bool

fn prepare(&mut self, file: &File) -> Result<()>

fn should_rotate(&self) -> bool

fn on_write(&mut self, data: &[u8]) -> Result<()>

fn on_rotate(&mut self) -> Result<()>

impl Rotator for RotateByTime

fn is_enabled(&self) -> bool

fn prepare(&mut self, file: &File) -> Result<()>

fn should_rotate(&self) -> bool

fn on_write(&mut self, _: &[u8]) -> Result<()>

fn on_rotate(&mut self) -> Result<()>

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