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Filters

Following variables need to be set to enable JSON/JEXL filters.

FILTER_ENGINE​

Defines whether to use JSON Schema-based filters or JEXL-based filters or NO_OP (i.e. no filtering)

  • Example value: JSON
  • Type: optional
  • Default value: NO_OP

FILTER_JSON_ESB_MESSAGE_TYPE​

Defines the format type of the input ESB messages, i.e. JSON/Protobuf. This field is required only for JSON filters.

  • Example value: JSON
  • Type: optional

FILTER_SCHEMA_PROTO_CLASS​

The fully qualified name of the proto schema so that the key/message in Kafka could be parsed.

  • Example value: com.raystack.esb.driverlocation.DriverLocationLogKey
  • Type: optional

FILTER_DATA_SOURCE​

key/message/nonedepending on where to apply filter

  • Example value: key
  • Type: optional
  • Default value: none

FILTER_JEXL_EXPRESSION​

JEXL filter expression

  • Example value: driverLocationLogKey.getVehicleType()=="BIKE"
  • Type: optional

FILTER_JSON_SCHEMA​

JSON Schema string containing the filter rules to be applied.

  • Example value: {"properties":{"order_number":{"const":"1253"}}}
  • Type: optional