5:09 p.m.
doboss [https://community.jboss.org/people/doboss] created the discussion
"Re: How to get a package from Guvnor and start it"
To view the discussion, visit: https://community.jboss.org/message/780425#780425
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Okay, I am doing something wrong. :) If I use the following code the authentication
works, and it looks like it is downloading the binary package:
private static KnowledgeBase readKnowledgeBase() throws Exception {
KnowledgeAgentConfiguration aconf =
KnowledgeAgentFactory.newKnowledgeAgentConfiguration();
KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent("test",
aconf);
String url =
"http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/defaultPackage/LATEST/";
UrlResource resource = (UrlResource) ResourceFactory.newUrlResource(url);
resource.setBasicAuthentication("enabled");
resource.setUsername("guest");
resource.setPassword("guest");
kagent.applyChangeSet(resource);
return kagent.getKnowledgeBase();
}
I figured this out by sending it through the eclipse tcp/ip monitor proxy. And it looks
like it is indeed getting the binary package. But I think the code is expecting a
changeset, not a binary package. (Which is why I get the "ERROR
drools.xml.ExtensibleXmlParser.fatalError - (null: 1, 1): Content is not allowed in
prolog." - because it's expecting a changeset.xml, not the binary package.)
Which makes since as I am calling: kagent.applyChangeSet(resource);
So I think I'm almost there, I have to do something with the binary package, not try
to apply it as a changeset...
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5:34 p.m.
Maciej Swiderski [https://community.jboss.org/people/swiderski.maciej] created the
discussion
"Re: How to get a package from Guvnor and start it"
To view the discussion, visit: https://community.jboss.org/message/780433#780433
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do you need to use knowledge agent for this? Or your requirement is to simply fetch
packaged from guvnor? If the second you could simply use KnowledgeBuilder and add the
UrlResource there meaning skipping knowledge agent and change set completely.
HTH
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5:46 p.m.
doboss [https://community.jboss.org/people/doboss] created the discussion
"Re: How to get a package from Guvnor and start it"
To view the discussion, visit: https://community.jboss.org/message/780440#780440
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I don't think I need the agent... I just thought that's how things were done. :8}
I did try changing the code around to get the file from the UrlResource, but once I have
the file, I don't know how to start the process. I assume I have to get it in the
session some how?
So in short, yes, happy to skip the agent, but then what do I do with the file?
Thank you again Maciej!
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6:51 p.m.
Maciej Swiderski [https://community.jboss.org/people/swiderski.maciej] created the
discussion
"Re: How to get a package from Guvnor and start it"
To view the discussion, visit: https://community.jboss.org/message/780462#780462
--------------------------------------------------------------
it should be enough to do like this:
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(YOUR_URL_RESOURCE, ResourceType.BPMN2);
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
and then do the same way as usualy to create session using kbase.
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7:04 p.m.
doboss [https://community.jboss.org/people/doboss] created the discussion
"Re: How to get a package from Guvnor and start it"
To view the discussion, visit: https://community.jboss.org/message/780468#780468
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I am so sad I couldn't figure that out myself!!! :((
You are absolutely right Maciej! I just had to change the ResourceType to PKG and it
works!!
For anyone else, here is the final working solution:
package org.jbpm.examples.quickstarts;
import java.util.HashMap;
import java.util.Map;
import org.drools.KnowledgeBase;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.io.ResourceFactory;
import org.drools.io.impl.UrlResource;
import org.drools.runtime.StatefulKnowledgeSession;
public class HelloRunner {
public static final void main(String[] args) {
try {
// load up the knowledge base
KnowledgeBase kbase = readKnowledgeBase();
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Map<String, Object> params = new HashMap<String, Object>();
Person p = new Person("Maciej Swiderski");
params.put("person", p);
ksession.startProcess("com.sample.script", params);
} catch (Throwable t) {
t.printStackTrace();
}
}
private static KnowledgeBase readKnowledgeBase() throws Exception {
String url =
"http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/defaultPackage/LATEST";
System.out.println("Going: " + url);
UrlResource resource = (UrlResource) ResourceFactory.newUrlResource(url);
resource.setBasicAuthentication("enabled");
resource.setUsername("guest");
resource.setPassword("guest");
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(resource, ResourceType.PKG);
return kbuilder.newKnowledgeBase();
}
}
Thank you Meciej! I owe you a beer or four!
:)
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Maciej Swiderski