langchain_core.runnables.graph
.Edge¶
- class langchain_core.runnables.graph.Edge(source: str, target: str, data: Optional[Stringifiable] = None, conditional: bool = False)[source]¶
Edge in a graph.
- Parameters
source (str) – The source node id.
target (str) – The target node id.
data (Optional[Stringifiable]) – Optional data associated with the edge. Defaults to None.
conditional (bool) – Whether the edge is conditional. Defaults to False.
Create new instance of Edge(source, target, data, conditional)
Attributes
conditional
Alias for field number 3
data
Alias for field number 2
source
Alias for field number 0
target
Alias for field number 1
Methods
__init__
()copy
(*[, source, target])Return a copy of the edge with optional new source and target nodes.
count
(value, /)Return number of occurrences of value.
index
(value[, start, stop])Return first index of value.
- __init__()¶
- copy(*, source: Optional[str] = None, target: Optional[str] = None) Edge [source]¶
Return a copy of the edge with optional new source and target nodes.
- Parameters
source (Optional[str]) – The new source node id. Defaults to None.
target (Optional[str]) – The new target node id. Defaults to None.
- Returns
A copy of the edge with the new source and target nodes.
- Return type
- count(value, /)¶
Return number of occurrences of value.
- index(value, start=0, stop=9223372036854775807, /)¶
Return first index of value.
Raises ValueError if the value is not present.