Apply Advanced Rules
This handler (com.rierino.handler.drools.DroolsProcessEventHandler) provides ability to execute business rules using Drools BRMS library
Handler Parameters
This handler is cacheable.
config.state
Name of the state manager with rule domain configurations
ruledomain
-
domain
Name of the rule domain
product_discount
-
rules.state
Name of the state manager with rule definitions
rule_product_discount
-
buffer
Number of records to buffer before producing output for batch requests
100
-
This handler requires the following dependency added to deployment contents:
implementation (group:'com.rierino.custom', name: 'drools', version:"${rierinoVersion}")Actions
Process / ProcessRules
Passes on structured request data to Drools and returns rule evaluation results in the output. Event metadata fields applicable for this action are as follows:
inputElement
Json path for the input in request event payload
basket
-
outputElement
Json path for the output in response event payload
basket
-
With event metadata parameters as:
inputPattern
JMESPath pattern to apply on data input
{items:items.productid}
-
outputPattern
JMESPath pattern to apply on data output, before returning response
{totalPrice:basket.totalPrice}
-
forEach
Field for each a separate record should be passed on to Drools
items
-
forEachMap
Json pattern for mapping each record that should be passed on to Drools, allowing replication of common data
-
-
Roles
processPulse
Passes a Json object with "id" field to Drools for evaluating rules, without returning any response.
processJournal
Follows the same flow as processPulse.
processRole
Passes a Json object with full role data to Drools for evaluating rules, without returning any response.
Commands
PROCESSID
Follows the same flow as processPulse, passing "id" field of the command parameters.
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