KIE-API Introduction and use

Reference: KIE

Kie is widely used in Drools jbpm Uberfire, following a brief introduction to several important components of KIE-API

Maven Dependency

<dependency>
    <groupId>org.kie</groupId>
    <artifactId>kie-api</artifactId>
    <version>6.0.2.Final</version>

</dependency>

Several components

Kieservices:kie integral entry that can be used to create container,resource,filesystem etc.

Kiecontainer:kiecontainer is a kiebase container that can be used to obtain specific kiesession according to the kiebase information described in Kmodule.xml.

Kiebase:kiebase is a knowledge warehouse, contains a number of rules, processes, methods, etc., in the drools is mainly rules and methods, Kiebase itself does not include the runtime data, such as, if you need to implement rules kiebase rules, You need to create kiesession based on Kiebase

Kiesession:kiesession is a session that deals with the Drools engine, which is created based on Kiebase, which contains run-time data, contains "fact facts," and rules operations on runtime data facts.

Kiemodule: is a container that contains multiple kiebase definitions. Generally used Kmodule.xml to express

Kiemodulemodel: Is the Java representation of the Kmodule.xml file, it can be built without adding an XML file, but in the form of program code,

Kiefilesystem: A complete file system, including resources and organizational structure

Kiebuilder: When all the rules files are added to the Kiefilesystem, the virtual file system can be built by passing the Kiefilesystem to a kiebuilder. There is a Buildall () method that will automatically build the virtual file system after it is built Kiemodule

Kierepository: is a kiemodule warehouse that contains all the kiemodule descriptions, using a ReleaseID to differentiate

Kieresources: is a factory that defines how resources are obtained, including Url,classpath,filesystem, etc.

Kiemodule.xml is probably an XML that looks like this:

<kmodule xmlns= "Http://jboss.org/kie/6.0.0/kmodule" >
<kbase name= "Rules" packages= "rules" >
<ksession name= "Ksession-rules"/>
</kbase>
<kbase name= "Dtables" packages= "Dtables" >
<ksession name= "Ksession-dtables"/>
</kbase>
</kmodule>

Kbase Name: Unique designation
Packages: The directory where the resource files reside

Ksession Name: Unique identity

KIE-API Introduction and use