dag-core / Exports / INodeTaskHandler

Interface: INodeTaskHandler

Handler providing optional lifecycle hooks and a required execute method for a node type.

Table of contents

Methods

• initialize
• validateInput
• estimateCost
• execute
• validateOutput
• dispose

Methods

initialize

▸ initialize(context): Promise<TResult<void, IDagError>>

Parameters

Name	Type
context	INodeExecutionContext

Returns

Promise<TResult<void, IDagError>>

Defined in

types/node-lifecycle.ts:55

---

validateInput

▸ validateInput(input, context): Promise<TResult<void, IDagError>>

Parameters

Name	Type
input	TPortPayload
context	INodeExecutionContext

Returns

Promise<TResult<void, IDagError>>

Defined in

types/node-lifecycle.ts:56

---

estimateCost

▸ estimateCost(input, context): Promise<TResult<ICostEstimate, IDagError>>

Parameters

Name	Type
input	TPortPayload
context	INodeExecutionContext

Returns

Promise<TResult<ICostEstimate, IDagError>>

Defined in

types/node-lifecycle.ts:60

---

execute

▸ execute(input, context): Promise<TResult<TPortPayload, IDagError>>

Parameters

Name	Type
input	TPortPayload
context	INodeExecutionContext

Returns

Promise<TResult<TPortPayload, IDagError>>

Defined in

types/node-lifecycle.ts:64

---

validateOutput

▸ validateOutput(output, context): Promise<TResult<void, IDagError>>

Parameters

Name	Type
output	TPortPayload
context	INodeExecutionContext

Returns

Promise<TResult<void, IDagError>>

Defined in

types/node-lifecycle.ts:68

---

dispose

▸ dispose(context): Promise<TResult<void, IDagError>>

Parameters

Name	Type
context	INodeExecutionContext

Returns

Promise<TResult<void, IDagError>>

Defined in

types/node-lifecycle.ts:72