@terascope/job-components / operations/job-observer / default

Class: default

Defined in: packages/job-components/src/operations/job-observer.ts:11

An Observer for monitoring the Slice Analytics

Extends

• default

Constructors

new default()

new default(context, apiConfig, executionConfig): default

Defined in: packages/job-components/src/operations/job-observer.ts:26

Parameters

Parameter	Type
context	Context
apiConfig	APIConfig
executionConfig	ExecutionConfig

Returns

default

Overrides

default.constructor

Properties

Property	Modifier	Type	Inherited from	Defined in
_currentIndex	protected	number	-	packages/job-components/src/operations/job-observer.ts:18
_currentSliceId	protected	string	-	packages/job-components/src/operations/job-observer.ts:16
analyticsData	public	undefined | SliceAnalyticsData	-	packages/job-components/src/operations/job-observer.ts:13
apiConfig	readonly	Readonly<APIConfig>	default.apiConfig	packages/job-components/src/operations/core/api-core.ts:20
collectAnalytics	public	boolean	-	packages/job-components/src/operations/job-observer.ts:12
context	readonly	Readonly<Context>	default.context	packages/job-components/src/operations/core/core.ts:10
deadLetterAction	public	string	default.deadLetterAction	packages/job-components/src/operations/core/api-core.ts:21
events	readonly	EventEmitter	default.events	packages/job-components/src/operations/core/core.ts:13
executionConfig	readonly	Readonly<ExecutionConfig>	default.executionConfig	packages/job-components/src/operations/core/core.ts:11
logger	readonly	Logger	default.logger	packages/job-components/src/operations/core/core.ts:12

Methods

defaultAnalytics()

defaultAnalytics(): SliceAnalyticsData

Defined in: packages/job-components/src/operations/job-observer.ts:90

Returns

SliceAnalyticsData

---

getAnalytics()

getAnalytics(): undefined | SliceAnalyticsData

Defined in: packages/job-components/src/operations/job-observer.ts:79

Returns

undefined | SliceAnalyticsData

---

initialize()

initialize(): Promise<void>

Defined in: packages/job-components/src/operations/core/api-core.ts:37

Called during execution initialization, when this is called perform any async setup.

Returns

Promise<void>

Inherited from

default.initialize

---

onOperationComplete()

onOperationComplete(sliceId, index, processed): void

Defined in: packages/job-components/src/operations/job-observer.ts:64

Parameters

Parameter	Type
sliceId	string
index	number
processed	number

Returns

void

---

onOperationStart()

onOperationStart(sliceId, index): void

Defined in: packages/job-components/src/operations/job-observer.ts:52

Parameters

Parameter	Type
sliceId	string
index	number

Returns

void

---

onSliceInitialized()

onSliceInitialized(sliceId): Promise<void>

Defined in: packages/job-components/src/operations/job-observer.ts:41

Parameters

Parameter	Type
sliceId	string

Returns

Promise<void>

---

rejectRecord()

rejectRecord(input, err): null

Defined in: packages/job-components/src/operations/core/api-core.ts:79

Reject a record using the dead letter action

Based on OpConfig._dead_letter_action the transformation can be handled any of the following ways:

• "throw": throw the original error
• "log": log the error and the data
• "none": skip the error entirely OR a string to specify the api to use as the dead letter queue

Parameters

Parameter	Type
input	unknown
err	Error

Returns

null

null

Inherited from

default.rejectRecord

---

shutdown()

shutdown(): Promise<void>

Defined in: packages/job-components/src/operations/core/api-core.ts:41

Called during execution shutdown, when this is cleanup any open connections or destroy any in-memory state.

Returns

Promise<void>

Inherited from

default.shutdown

---

tryRecord()

tryRecord<I, R>(fn): (input) => null | R

Defined in: packages/job-components/src/operations/core/api-core.ts:54

Try catch a transformation on a record and place any failed records in a dead letter queue

See #rejectRecord for handling

Type Parameters

Type Parameter
I
R

Parameters

Parameter	Type	Description
fn	(input) => R	a function to transform the data with

Returns

Function

a curried a function that will be called with the data and handle the dead letter action

Parameters

Parameter	Type
input	I

Returns

null | R

Inherited from

default.tryRecord