Struct AttrsRef

pub struct AttrsRef<'a> { /* private fields */ }

Implementations

impl<'a> AttrsRef<'a>

pub fn new(tree: &'a mut Tree, key: String) -> AttrsRef<'a>

Methods from Deref<Target = Tree>

pub fn get_shard_index(&self, id: &String) -> usize

pub fn get_shard_indices(&self, ids: &[&String]) -> Vec<usize>

pub fn get_shard_index_batch<'a>( &self, ids: &'a [&'a String], ) -> Vec<(usize, &'a String)>

pub fn contains_node(&self, id: &String) -> bool

pub fn get_node(&self, id: &String) -> Option<Arc<Node>>

pub fn get_parent_node(&self, id: &String) -> Option<Arc<Node>>

pub fn update_attr( &mut self, id: &String, new_values: GenericHashMap<String, Value, RandomState, ArcK>, ) -> Result<(), Error>

pub fn update_node(&mut self, node: Node) -> Result<(), Error>

pub fn add( &mut self, parent_id: &String, nodes: Vec<NodeEnum>, ) -> Result<(), Error>

向树中添加新的节点及其子节点

参数

• nodes - 要添加的节点枚举，包含节点本身及其子节点

返回值

• Result<(), PoolError> - 如果添加成功返回 Ok(()), 否则返回错误

错误

• PoolError::ParentNotFound - 如果父节点不存在

pub fn add_at_index( &mut self, parent_id: &String, index: usize, node: &Node, ) -> Result<(), Error>

pub fn add_node( &mut self, parent_id: &String, nodes: &Vec<Node>, ) -> Result<(), Error>

pub fn node(&mut self, key: &str) -> NodeRef<'_>

pub fn mark(&mut self, key: &str) -> MarkRef<'_>

pub fn attrs(&mut self, key: &str) -> AttrsRef<'_>

pub fn children( &self, parent_id: &String, ) -> Option<GenericVector<String, ArcK>>

pub fn children_node( &self, parent_id: &String, ) -> Option<GenericVector<Arc<Node>, ArcK>>

pub fn all_children( &self, parent_id: &String, filter: Option<&dyn Fn(&Node) -> bool>, ) -> Option<NodeEnum>

pub fn children_count(&self, parent_id: &String) -> usize

pub fn remove_mark_by_name( &mut self, id: &String, mark_name: &str, ) -> Result<(), Error>

pub fn get_marks(&self, id: &String) -> Option<GenericVector<Mark, ArcK>>

pub fn remove_mark( &mut self, id: &String, mark_types: &[String], ) -> Result<(), Error>

pub fn add_mark(&mut self, id: &String, marks: &Vec<Mark>) -> Result<(), Error>

pub fn move_node( &mut self, source_parent_id: &String, target_parent_id: &String, node_id: &String, position: Option<usize>, ) -> Result<(), Error>

pub fn remove_node( &mut self, parent_id: &String, nodes: Vec<String>, ) -> Result<(), Error>

pub fn remove_node_by_id(&mut self, node_id: &String) -> Result<(), Error>

pub fn remove_node_by_index( &mut self, parent_id: &String, index: usize, ) -> Result<(), Error>

根据下标删除

Trait Implementations

impl<'a> Add<(String, Value)> for AttrsRef<'a>

type Output = Result<AttrsRef<'a>, Error>

The resulting type after applying the + operator.

fn add( self, _: (String, Value), ) -> <AttrsRef<'a> as Add<(String, Value)>>::Output

Performs the + operation.

impl<'a> Add<Attrs> for AttrsRef<'a>

为 AttrsRef 实现自定义的 + 运算符，用于添加属性 当使用 + 运算符时，会更新当前节点的属性

type Output = Result<AttrsRef<'a>, Error>

The resulting type after applying the + operator.

fn add(self, attrs: Attrs) -> <AttrsRef<'a> as Add<Attrs>>::Output

Performs the + operation.

impl<'a> Add<GenericHashMap<String, Value, RandomState, ArcK>> for AttrsRef<'a>

为 AttrsRef 实现自定义的 + 运算符，用于直接添加属性映射 当使用 + 运算符时，会直接使用提供的属性映射更新当前节点的属性

type Output = Result<AttrsRef<'a>, Error>

The resulting type after applying the + operator.

fn add( self, attrs: GenericHashMap<String, Value, RandomState, ArcK>, ) -> <AttrsRef<'a> as Add<GenericHashMap<String, Value, RandomState, ArcK>>>::Output

Performs the + operation.

impl<'a> Deref for AttrsRef<'a>

type Target = Tree

The resulting type after dereferencing.

fn deref(&self) -> &<AttrsRef<'a> as Deref>::Target

Dereferences the value.

impl<'a> DerefMut for AttrsRef<'a>

fn deref_mut(&mut self) -> &mut <AttrsRef<'a> as Deref>::Target

Mutably dereferences the value.