[jboss-jira] [JBoss JIRA] (DROOLS-3355) Discuss and verify Assembler/Weaver API to better support for jBPM and generic runtimes

[Edoardo Vacchi (Jira)]

    [ https://issues.jboss.org/browse/DROOLS-3355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13667313#comment-13667313 ] 

Edoardo Vacchi edited comment on DROOLS-3355 at 11/28/18 5:19 AM:
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*Overview:*

Assembler/Weaver/Runtime is the triplet of services that constitute a "Knowledge Plug-In", i.e. a component that plugs into the Drools (or maybe more correctly, KIE) core to provide a "knowledge runtime" and a common interface to submit pieces of knowledge to such runtimes in a uniform way.

*AssemblerService* finds or create a package for a given Resource; inserts the resource into the package, and the package into a registry. The package notion is akin to that of namespace (or "Java-style" packages). 

*WeaverService* merges the contents of a fresh package to an existing package, when the name of such packages matches. 

*RuntimeService*, on the other hand is completely separate from the other two. For a given Session, it returns a runtime instance of a "knowledge plugin" (e.g, DMN, PMML, etc.). 



was (Author: evacchi):
*Overview:*

Assembler/Weaver/Runtime is the triplet of services that constitute a "Knowledge Plug-In", i.e. a component that plugs into the Drools (or maybe more correctly, KIE) core to provide a "knowledge runtime" and a common interface to submit pieces of knowledge to such runtimes in a uniform way.

*AssemblerService* finds or create a package for a given Resource; inserts the resource into the package, and the package into a registry. Lots of boilerplate. In many cases, the useful logic boils down to parsing the Resource and adding it to a relevant package. The package notion is akin to that of namespace (or "Java-style" packages). 

*WeaverService* merges the contents of a fresh package to an existing package, when the name of such packages matches. 

*RuntimeService*, on the other hand is completely separate from the other two. For a given Session, it returns a runtime instance of a "knowledge plugin" (e.g, DMN, PMML, etc.). 


> Discuss and verify Assembler/Weaver API to better support for jBPM and generic runtimes
> ---------------------------------------------------------------------------------------
>
>                 Key: DROOLS-3355
>                 URL: https://issues.jboss.org/browse/DROOLS-3355
>             Project: Drools
>          Issue Type: Enhancement
>            Reporter: Edoardo Vacchi
>            Assignee: Edoardo Vacchi
>            Priority: Major
>              Labels: drools-core
>
> Current API may be too Drools/Rule-Engine-centric, might want to rethink it



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