Trait libpijul::pristine::GraphTxnT

pub trait GraphTxnT: Sized {
    type GraphError: Error + Send + Sync + 'static;
    type Graph;
    type Adj;
    pub fn get_graph<'txn>(
        &'txn self, 
        db: &Self::Graph, 
        key: Vertex<ChangeId>, 
        value: Option<Edge>
    ) -> Result<Option<Edge>, TxnErr<Self::GraphError>>;
    pub fn get_external(
        &self, 
        p: ChangeId
    ) -> Result<Option<Hash>, TxnErr<Self::GraphError>>;
    pub fn get_internal(
        &self, 
        p: Hash
    ) -> Result<Option<ChangeId>, TxnErr<Self::GraphError>>;
    pub fn init_adj(
        &self, 
        g: &Self::Graph, 
        v: Vertex<ChangeId>, 
        dest: Position<ChangeId>, 
        min: EdgeFlags, 
        max: EdgeFlags
    ) -> Result<Self::Adj, TxnErr<Self::GraphError>>;
    pub fn next_adj(
        &self, 
        g: &Self::Graph, 
        a: &mut Self::Adj
    ) -> Option<Result<Edge, TxnErr<Self::GraphError>>>;
    pub fn find_block(
        &self, 
        graph: &Self::Graph, 
        p: Position<ChangeId>
    ) -> Result<Vertex<ChangeId>, BlockError<Self::GraphError>>;
    pub fn find_block_end(
        &self, 
        graph: &Self::Graph, 
        p: Position<ChangeId>
    ) -> Result<Vertex<ChangeId>, BlockError<Self::GraphError>>;
}

Associated Types

type GraphError: Error + Send + Sync + 'static

type Graph

type Adj

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Required methods

pub fn get_graph<'txn>(
    &'txn self,
    db: &Self::Graph,
    key: Vertex<ChangeId>,
    value: Option<Edge>
) -> Result<Option<Edge>, TxnErr<Self::GraphError>>

pub fn get_external(
    &self,
    p: ChangeId
) -> Result<Option<Hash>, TxnErr<Self::GraphError>>

Returns the external hash of an internal change identifier, if the change is known.

pub fn get_internal(
    &self,
    p: Hash
) -> Result<Option<ChangeId>, TxnErr<Self::GraphError>>

Returns the internal change identifier of change with external hash hash, if the change is known.

pub fn init_adj(
    &self,
    g: &Self::Graph,
    v: Vertex<ChangeId>,
    dest: Position<ChangeId>,
    min: EdgeFlags,
    max: EdgeFlags
) -> Result<Self::Adj, TxnErr<Self::GraphError>>

pub fn next_adj(
    &self,
    g: &Self::Graph,
    a: &mut Self::Adj
) -> Option<Result<Edge, TxnErr<Self::GraphError>>>

pub fn find_block(
    &self,
    graph: &Self::Graph,
    p: Position<ChangeId>
) -> Result<Vertex<ChangeId>, BlockError<Self::GraphError>>

pub fn find_block_end(
    &self,
    graph: &Self::Graph,
    p: Position<ChangeId>
) -> Result<Vertex<ChangeId>, BlockError<Self::GraphError>>

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Implementors

impl<T: Transaction> GraphTxnT for GenericTxn<T>

type Graph = Db<Vertex<ChangeId>, Edge>

type GraphError = SanakirjaError

pub fn get_graph(
    &self,
    db: &Self::Graph,
    key: Vertex<ChangeId>,
    value: Option<Edge>
) -> Result<Option<Edge>, TxnErr<Self::GraphError>>

pub fn get_external(
    &self,
    p: ChangeId
) -> Result<Option<Hash>, TxnErr<Self::GraphError>>

pub fn get_internal(
    &self,
    p: Hash
) -> Result<Option<ChangeId>, TxnErr<Self::GraphError>>

type Adj = Adj

pub fn init_adj(
    &self,
    g: &Self::Graph,
    key: Vertex<ChangeId>,
    dest: Position<ChangeId>,
    min_flag: EdgeFlags,
    max_flag: EdgeFlags
) -> Result<Self::Adj, TxnErr<Self::GraphError>>

pub fn next_adj(
    &self,
    _: &Self::Graph,
    a: &mut Self::Adj
) -> Option<Result<Edge, TxnErr<Self::GraphError>>>

pub fn find_block(
    &self,
    graph: &Self::Graph,
    p: Position<ChangeId>
) -> Result<Vertex<ChangeId>, BlockError<Self::GraphError>>

pub fn find_block_end(
    &self,
    graph: &Self::Graph,
    p: Position<ChangeId>
) -> Result<Vertex<ChangeId>, BlockError<Self::GraphError>>

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