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46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
"""
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NodeExecution entity representing a node's execution state.
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"""
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from dataclasses import dataclass
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from dify_graph.enums import NodeState
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@dataclass
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class NodeExecution:
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"""
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Entity representing the execution state of a single node.
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This is a mutable entity that tracks the runtime state of a node
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during graph execution.
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"""
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node_id: str
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state: NodeState = NodeState.UNKNOWN
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retry_count: int = 0
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execution_id: str | None = None
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error: str | None = None
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def mark_started(self, execution_id: str) -> None:
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"""Mark the node as started with an execution ID."""
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self.state = NodeState.TAKEN
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self.execution_id = execution_id
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def mark_taken(self) -> None:
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"""Mark the node as successfully completed."""
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self.state = NodeState.TAKEN
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self.error = None
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def mark_failed(self, error: str) -> None:
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"""Mark the node as failed with an error."""
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self.error = error
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def mark_skipped(self) -> None:
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"""Mark the node as skipped."""
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self.state = NodeState.SKIPPED
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def increment_retry(self) -> None:
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"""Increment the retry count for this node."""
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self.retry_count += 1
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