Struct BatchStep 

pub struct BatchStep {
    pub steps: Vec<Arc<dyn Step>>,
}

批量步骤：将多个 Step 作为一个原子单元执行

• 成功：全部子步骤成功应用
• 失败：自动回滚已应用的子步骤，保证草稿一致性

Fields

steps: Vec<Arc<dyn Step>>

Implementations

impl BatchStep

pub fn new(steps: Vec<Arc<dyn Step>>) -> BatchStep

Trait Implementations

impl Clone for BatchStep

fn clone(&self) -> BatchStep

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for BatchStep

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Step for BatchStep

fn name(&self) -> String

fn apply( &self, dart: &mut Tree, schema: Arc<Schema>, ) -> Result<StepResult, Error>

fn serialize(&self) -> Option<Vec<u8>>

fn invert(&self, dart: &Arc<Tree>) -> Option<Arc<dyn Step>>