Specialized Handlers

Specialized handlers facilitate more advanced operations and are only available in Rierino Core+ edition

Specialized handlers cover advanced rule engines, CEP, document generation, SOAP, Camel, and Web of Things integrations.

Use this page for handler-level details:

• Class names

• Handler parameters

• Runtime dependencies

• Roles and commands

Use Specialized Actions for action-level saga step fields and parameters.

Apply Advanced Rules

Class: com.rierino.handler.drools.DroolsProcessEventHandler

Executes business rules using Drools BRMS.

Handler parameters

Parameter	Definition	Example	Default
config.state	State manager with rule domain configurations	ruledomain	-
domain	Rule domain name	product_discount	-
rules.state	State manager with rule definitions	rule_product_discount	-
buffer	Number of records to buffer before batch output	100	-

This handler supports caching.

Runtime dependency

implementation (group:'com.rierino.custom', name: 'drools', version:"${rierinoVersion}")

Roles

• processPulse

• processJournal

• processRole

Commands

• PROCESSID

Action details: Apply Advanced Rules

Calculate Real-time Metrics

Class: com.rierino.handler.siddhi.JsonSiddhiEventHandler

Builds real-time intelligence and CEP flows using Siddhi.

Handler parameters

Parameter	Definition	Example	Default
dataflow.state	State manager with dataflow configurations	dataflow	-
dataflow.ids	Dataflow ids to run on this instance	session_dna,customer_dna	-
partition.stream	Stream supplying partition information	sessionq	-
dataflow.store.system	System storing Siddhi persistence data	hdfs_default	-
dataflow.local.dir	Local directory storing Siddhi persistence data	/tmp	java.io.tmpdir

Runtime dependency

implementation (group:'com.rierino.custom', name: 'siddhi', version:"${rierinoVersion}")

Roles

• processRole

Action details: Calculate Real-time Metrics

Consume Web of Things

Class: com.rierino.handler.wot.WOTConsumerEventHandler

Reads properties from WoT things and invokes their actions.

Handler parameters

Parameter	Definition	Example	Default
thing.state	State manager with WoT configurations	iot	thing
thing.domain	Thing domain to include	factory	-
saga.handler	Saga handler used for tool sagas	ai_saga	saga

Action details: Consume Web of Things

Produce Web of Things

Class: com.rierino.handler.wot.WOTProducerEventHandler

Builds WoT thing descriptions from allowed sagas.

Handler parameters

Parameter	Definition	Example	Default
saga.state	State manager with saga definitions	-	saga

Action details: Produce Web of Things

Generate Excel

Class: com.rierino.handler.ExcelExportEventHandler

Produces formatted Excel files from templates and input payload.

Handler parameters

Parameter	Definition	Example	Default
template.state	State manager with Excel templates	template_xlsx	handler_excel
output.system	System alias used to store generated files	s3_default	-

Runtime dependency

implementation (group:'com.rierino.custom', name: 'excel', version:"${rierinoVersion}")

Action details: Generate Excel

Generate PDF

Class: com.rierino.handler.PDFExportEventHandler

Produces PDF files from HTML content.

Handler parameters

Parameter	Definition	Example	Default
output.system	System alias used to store generated files	s3_default	-

Runtime dependency

implementation (group:'com.rierino.custom', name: 'pdf', version:"${rierinoVersion}")

Action details: Generate PDF

Call SOAP API

Class: com.rierino.handler.soap.SoapEventHandler

Uses SOAP services for third-party integrations.

Handler parameters

Parameter	Definition	Example	Default
soap.state	State manager keeping SOAP service definitions	soap_services	handler_soap
soap.domain	Domain name used to filter SOAP definitions	pricing	-
soap.local.dir	Local directory used for service jars	/tmp	[java.io.tmpdir]

Runtime dependency

implementation (group:'com.rierino.custom', name: 'soap', version:"${rierinoVersion}")

Action details: Call SOAP API

Integrate with Camel

Class: com.rierino.handler.camel.CamelEventHandler

Uses Apache Camel producers for third-party integrations.

Handler parameters

This handler has no parameters. It uses configured runner systems as potential Camel producers.

Runtime dependency

implementation (group:'com.rierino.runner', name: 'camel', version:"${rierinoVersion}")

Action details: Integrate with Camel