Apply Advanced Rules

These actions provide ability to execute business rules using Drools BRMS.

Apply Advanced Rules Actions

Process / ProcessRules

Passes structured request data to Drools and returns rule evaluation results in the output. Event metadata fields applicable for this action are as follows:

Table

Field	Definition	Example	Default
Input Element	Json path for the input in request event payload	basket	-
Output Element	Json path for the output in response event payload	basket	-

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Apply Advanced Rules action eventMeta fields",
  "type": "object",
  "properties": {
    "eventMeta": {
      "type": "object",
      "properties": {
        "inputElement": {
          "type": "string",
          "definition": "Json path for the input in request event payload",
          "example": "basket",
          "default": null
        },
        "outputElement": {
          "type": "string",
          "definition": "Json path for the output in response event payload",
          "example": "basket",
          "default": null
        }
      }
    }
  }
}

With event metadata parameters as:

Table

Parameter	Definition	Example	Default
Input Pattern	JMESPath pattern to apply on data input	{items:items.productid}	-
Output Pattern	JMESPath pattern to apply on data output, before returning response	{totalPrice:basket.totalPrice}	-
For Each	Field for which a separate record should be passed on to Drools	items	-
For Each Map	Json pattern for mapping each record passed to Drools, allowing replication of common data	-	-

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Apply Advanced Rules action eventMeta.parameters",
  "type": "object",
  "properties": {
    "eventMeta": {
      "type": "object",
      "properties": {
        "parameters": {
          "type": "object",
          "properties": {
            "inputPattern": {
              "type": "string",
              "definition": "JMESPath pattern to apply on data input",
              "example": "{items:items.productid}",
              "default": null
            },
            "outputPattern": {
              "type": "string",
              "definition": "JMESPath pattern to apply on data output, before returning response",
              "example": "{totalPrice:basket.totalPrice}",
              "default": null
            },
            "forEach": {
              "type": "string",
              "definition": "Field for each a separate record should be passed on to Drools",
              "example": "items",
              "default": null
            },
            "forEachMap": {
              "type": "string",
              "definition": "Json pattern for mapping each record that should be passed on to Drools, allowing replication of common data",
              "default": null
            }
          }
        }
      }
    }
  }
}