dag-node / Exports / AbstractNodeDefinition
Class: AbstractNodeDefinition<TSchema>
Base class for all DAG node definitions. Handles config schema parsing via zod and delegates lifecycle methods to typed *WithConfig overrides.
Subclasses must implement configSchemaDefinition, metadata fields, and at minimum executeWithConfig. Optional lifecycle hooks: initializeWithConfig, estimateCostWithConfig, validateInputWithConfig, validateOutputWithConfig, disposeWithConfig.
See
- IDagNodeDefinition - interface this class implements
- NodeIoAccessor - helper for typed input/output access in execute methods
Type parameters
| Name | Type |
|---|---|
TSchema | extends z.ZodTypeAny |
Implements
IDagNodeDefinition
Table of contents
Constructors
Properties
Methods
Constructors
constructor
• new AbstractNodeDefinition<TSchema>(): AbstractNodeDefinition<TSchema>
Type parameters
| Name | Type |
|---|---|
TSchema | extends ZodTypeAny |
Returns
AbstractNodeDefinition<TSchema>
Defined in
packages/dag-node/src/lifecycle/abstract-node-definition.ts:54
Properties
nodeType
• Readonly Abstract nodeType: string
Implementation of
IDagNodeDefinition.nodeType
Defined in
packages/dag-node/src/lifecycle/abstract-node-definition.ts:45
displayName
• Readonly Abstract displayName: string
Implementation of
IDagNodeDefinition.displayName
Defined in
packages/dag-node/src/lifecycle/abstract-node-definition.ts:46
category
• Readonly Abstract category: string
Implementation of
IDagNodeDefinition.category
Defined in
packages/dag-node/src/lifecycle/abstract-node-definition.ts:47
inputs
• Readonly Abstract inputs: IPortDefinition[]
Implementation of
IDagNodeDefinition.inputs
Defined in
packages/dag-node/src/lifecycle/abstract-node-definition.ts:48
outputs
• Readonly Abstract outputs: IPortDefinition[]
Implementation of
IDagNodeDefinition.outputs
Defined in
packages/dag-node/src/lifecycle/abstract-node-definition.ts:49
configSchemaDefinition
• Readonly Abstract configSchemaDefinition: TSchema
Implementation of
IDagNodeDefinition.configSchemaDefinition
Defined in
packages/dag-node/src/lifecycle/abstract-node-definition.ts:50
taskHandler
• Readonly taskHandler: INodeTaskHandler
Implementation of
IDagNodeDefinition.taskHandler
Defined in
packages/dag-node/src/lifecycle/abstract-node-definition.ts:52
Methods
estimateCostWithConfig
▸ estimateCostWithConfig(input, context, config): Promise<TResult<ICostEstimate, IDagError>>
Parameters
| Name | Type |
|---|---|
input | TPortPayload |
context | INodeExecutionContext |
config | output<TSchema> |
Returns
Promise<TResult<ICostEstimate, IDagError>>
Defined in
packages/dag-node/src/lifecycle/abstract-node-definition.ts:136