dag

func (*Dag) AddNodes ¶

func (d *Dag) AddNodes(ctx context.Context, nodes ...format.Node) error

AddNodes takes cbornodes and adds them to the underlying storage

func (*Dag) CreateNode ¶

func (d *Dag) CreateNode(ctx context.Context, obj interface{}) (format.Node, error)

CreateNode adds an object to the Dags underlying storage (doesn't change the tip) and returns the cbornode

func (*Dag) Delete ¶

func (d *Dag) Delete(ctx context.Context, path []string) (*Dag, error)

Delete removes a key from the dag

func (*Dag) Dump ¶

func (d *Dag) Dump(ctx context.Context) string

Dump dumps the current DAG out as a string for debugging

func (*Dag) Get ¶

func (d *Dag) Get(ctx context.Context, id cid.Cid) (format.Node, error)

Get takes a CID and returns the cbornode

func (*Dag) Nodes ¶

func (d *Dag) Nodes(ctx context.Context) ([]format.Node, error)

Nodes returns all the nodes in an entire tree from the Tip out

func (*Dag) NodesForPath ¶

func (d *Dag) NodesForPath(ctx context.Context, path []string) ([]format.Node, error)

func (*Dag) NodesForPathWithDecendants ¶

func (d *Dag) NodesForPathWithDecendants(ctx context.Context, path []string) ([]format.Node, error)

func (*Dag) Resolve ¶

func (d *Dag) Resolve(ctx context.Context, path []string) (interface{}, []string, error)

Resolve takes a path (as a string slice) and returns the value, remaining path and any error.

func (*Dag) ResolveAt ¶

func (d *Dag) ResolveAt(ctx context.Context, tip cid.Cid, path []string) (val interface{}, remaining []string, err error)

ResolveAt takes a tip and a path (as a string slice) and returns the value, remaining path and any error.

func (*Dag) ResolveInto ¶

func (d *Dag) ResolveInto(ctx context.Context, path []string, obj interface{}) error

func (*Dag) Set ¶

func (d *Dag) Set(ctx context.Context, pathAndKey []string, val interface{}) (*Dag, error)

Set sets a value at a path and returns a new dag with a new tip that reflects the new state

func (*Dag) SetAsLink ¶

func (d *Dag) SetAsLink(ctx context.Context, pathAndKey []string, val interface{}) (*Dag, error)

SetAsLink sets a value at a path and returns a new dag with a new tip that reflects the new state

func (*Dag) Update ¶

func (d *Dag) Update(ctx context.Context, path []string, newObj interface{}) (*Dag, error)

Update returns a new Dag with the old node at path swapped out for the new object

func (*Dag) WithNewTip ¶

func (d *Dag) WithNewTip(tip cid.Cid) *Dag

WithNewTip returns a new Dag, but with the Tip set to the argument