StartGcpVisionAnnotateFilesOperation
Description
Trigger a Vision operation on file input. It should be followed by GetGcpVisionAnnotateFilesOperationStatus processor in order to monitor operation status.
Tags
Cloud, Google, Machine Learning, Vision
Properties
In the list below required Properties are shown with an asterisk (*). Other properties are considered optional. The table also indicates any default values, and whether a property supports the NiFi Expression Language.
| Display Name | API Name | Default Value | Allowable Values | Description |
|---|---|---|---|---|
| JSON Payload | json-payload | { "requests": [ { "inputConfig": { "gcsSource": { "uri": "gs://${gcs.bucket}/${filename}" }, "mimeType": "application/pdf" }, "features": [{ "type": "${vision-feature-type}", "maxResults": 4 }], "outputConfig": { "gcsDestination": { "uri": "gs://${output-bucket}/${filename}/" }, "batchSize": 2 } }] } | JSON request for AWS Machine Learning services. The Processor will use FlowFile content for the request when this property is not specified. Supports Expression Language, using FlowFile attributes and Environment variables. | |
| GCP Credentials Provider Service * | gcp-credentials-provider-service | Controller Service: GCPCredentialsService Implementations: GCPCredentialsControllerService | The Controller Service used to obtain Google Cloud Platform credentials. | |
| Output Bucket | output-bucket | Name of the GCS bucket where the output of the Vision job will be persisted. The value of this property applies when the JSON Payload property is configured. The JSON Payload property value can use Expression Language to reference the value of ${output-bucket} Supports Expression Language, using FlowFile attributes and Environment variables. | ||
| Vision Feature Type | vision-feature-type | TEXT_DETECTION | Type of GCP Vision Feature. The value of this property applies when the JSON Payload property is configured. The JSON Payload property value can use Expression Language to reference the value of ${vision-feature-type} Supports Expression Language, using FlowFile attributes and Environment variables. |
Dynamic Properties
This component does not support dynamic properties.
Relationships
| Name | Description |
|---|---|
| failure | FlowFiles are routed to failure relationship |
| success | FlowFiles are routed to success relationship |
Reads Attributes
This processor does not read attributes.
Writes Attributes
| Name | Description |
|---|---|
| operationKey | A unique identifier of the operation returned by the Vision server. |
State Management
This component does not store state.
Restricted
This component is not restricted.
Input Requirement
Input requirements are not specified for this component.
System Resource Considerations
This component does not specify system resource considerations.