I have just updated conways game of life example to use ruleflow, the agenda group one still exists. So execute ConwayAgendaGroupRun and ConwayRuleFlowGroupRun to run the two examples. AgendaGroupDelegate and RueFlowDelegate show the two different implementations.

Mark
Natraj Gudla wrote:

Hi,

Has any one used Rule FLow with 4.0.0. I am looking for some help on how to use rule flow, where to mention the drl file name. How to use it in the java invoker classes.

I have tried something, created a TestRuleFlow.rf, then added a rule group, gave it a group name as drl file name. When i use the PackageBuilder to add the rule flow, it throws the following exception

com.thoughtworks.xstream.alias.CannotResolveClassException
: org.drools.ruleflow.core.impl.RuleFlowProcess : org.drools.ruleflow.core.impl.RuleFlowProcess
at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(
DefaultMapper.java:35)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.XmlFriendlyMapper.realClass(
XmlFriendlyMapper.java:44)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(
ClassAliasingMapper.java:49)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(
DynamicProxyMapper.java:46)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(
ArrayMapper.java:70)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.CachingMapper.realClass(
CachingMapper.java:27)
at com.thoughtworks.xstream.core.TreeUnmarshaller.start(
TreeUnmarshaller.java:95)
at com.thoughtworks.xstream.core.ReferenceByIdMarshallingStrategy.unmarshal(
ReferenceByIdMarshallingStrategy.java:12)
at com.thoughtworks.xstream.XStream.unmarshal(
XStream.java:552)
at com.thoughtworks.xstream.XStream.unmarshal(
XStream.java:540)
at com.thoughtworks.xstream.XStream.fromXML(
XStream.java:490)
at org.drools.compiler.ProcessBuilder.addProcessFromFile(
ProcessBuilder.java:76)
at org.drools.compiler.PackageBuilder.addRuleFlow(
PackageBuilder.java:199)
at com.drools.sample.ParseDRL.readRuleFromDrl(
ParseDRL.java:72)
at com.drools.sample.ParseDRL.main(
ParseDRL.java:23)
com.thoughtworks.xstream.alias.CannotResolveClassException
: org.drools.ruleflow.core.impl.RuleFlowProcess : org.drools.ruleflow.core.impl.RuleFlowProcess
at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(
DefaultMapper.java:35)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.XmlFriendlyMapper.realClass(
XmlFriendlyMapper.java:44)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(
ClassAliasingMapper.java:49)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(
DynamicProxyMapper.java:46)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(
ArrayMapper.java:70)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(
MapperWrapper.java:18)
at com.thoughtworks.xstream.mapper.CachingMapper.realClass(
CachingMapper.java:27)
at com.thoughtworks.xstream.core.TreeUnmarshaller.start(
TreeUnmarshaller.java:95)
at com.thoughtworks.xstream.core.ReferenceByIdMarshallingStrategy.unmarshal(
ReferenceByIdMarshallingStrategy.java:12)
at com.thoughtworks.xstream.XStream.unmarshal(
XStream.java:552)
at com.thoughtworks.xstream.XStream.unmarshal(
XStream.java:540)
at com.thoughtworks.xstream.XStream.fromXML(
XStream.java:490)
at org.drools.compiler.ProcessBuilder.addProcessFromFile(
ProcessBuilder.java:76)
at org.drools.compiler.PackageBuilder.addRuleFlow(
PackageBuilder.java:199)
at com.drools.sample.ParseDRL.readRuleFromDrl(
ParseDRL.java:72)
at com.drools.sample.ParseDRL.main(
ParseDRL.java:23)
Exception in thread "main"
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