Minimal Drools (Kie) project pom

minimal-drools-pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.redhat.demos</groupId>
  <artifactId>minimal-drools-project</artifactId>
  <version>1.0.0-SNAPSHOT</version>
  <packaging>kjar</packaging>

  <properties>
    <!-- General Properties -->
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <!-- Java Properties -->
    <java.version>11</java.version>
    <maven.compiler.target>11</maven.compiler.target>
    <maven.compiler.source>11</maven.compiler.source>
    <!-- Red Hat Business Automation -->
    <ba-platform.version>7.10.1.redhat-00001</ba-platform.version> <!-- BOM version for RHPAM 7.10.1 -->
    <kie.version>7.48.0.Final-redhat-00006</kie.version>
    <!-- kie.version>7.48.0.Final</kie.version -->
  </properties>

  <dependencyManagement>
    <dependencies>
      <dependency>
          <groupId>com.redhat.ba</groupId>
          <artifactId>ba-platform-bom</artifactId>
          <version>${ba-platform.version}</version>
          <scope>import</scope>
          <type>pom</type>
      </dependency>
      <!-- 
      <dependency>
        <groupId>org.drools</groupId>
        <artifactId>drools-bom</artifactId>
        <type>pom</type>
        <version>${kie.version}</version>
        <scope>import</scope>
      </dependency>
      -->
    </dependencies>
  </dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>org.kie</groupId>
      <artifactId>kie-api</artifactId>
    </dependency>
    <dependency>
      <groupId>org.drools</groupId>
      <artifactId>drools-compiler</artifactId>
    </dependency>
    <dependency>
      <groupId>org.drools</groupId>
      <artifactId>drools-mvel</artifactId>
    </dependency>    
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <groupId>org.kie</groupId>
        <artifactId>kie-maven-plugin</artifactId>
        <version>${kie.version}</version>
        <extensions>true</extensions>
      </plugin>
    </plugins>
  </build>
    
</project>

• generate a minimal drools kjar project using kie-maven-archetype:

mvn archetype:generate \
  -DarchetypeGroupId=org.kie \
  -DarchetypeArtifactId=kie-kjar-archetype \
  -DarchetypeVersion=7.52.0.Final \
  -DgroupId=com.redhat.demos \
  -DartifactId=business-assets-kjar \
  -Dversion=1.0.0-SNAPSHOT

• sample stateful-session with debug event listeners enabled:

<kmodule xmlns="http://www.drools.org/xsd/kmodule" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <kbase name="default-kie-base" default="true" eventProcessingMode="stream" equalsBehavior="identity">

    <ksession name="stateless-session" type="stateless" default="false" clockType="realtime"/>

    <ksession name="debug-stateful-session" type="stateful" default="true" clockType="realtime">
      <listeners>
        <ruleRuntimeEventListener type="org.drools.core.event.DebugRuleRuntimeEventListener"/>
        <agendaEventListener type="org.drools.core.event.DebugAgendaEventListener"/>
      </listeners>
    </ksession>    
    <ksession name="debug-stateful-session" type="stateful" default="false" clockType="realtime">
      <listeners>
        <ruleRuntimeEventListener type="org.drools.core.event.DebugRuleRuntimeEventListener"/>
        <agendaEventListener type="org.drools.core.event.DebugAgendaEventListener"/>
      </listeners>
    </ksession>

  </kbase>
</kmodule>