package org.jbpm.integrationtests;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import org.drools.RuleBase;
import org.drools.RuleBaseFactory;
import org.drools.StatefulSession;
import org.drools.common.InternalWorkingMemory;
import org.drools.compiler.DroolsError;
import org.drools.compiler.PackageBuilder;
import org.drools.rule.Package;
import org.jbpm.JbpmTestCase;
import org.jbpm.Message;
import org.jbpm.Person;
public class ProcessStartTest extends JbpmTestCase {
public void testStartConstraintTrigger() throws Exception {
PackageBuilder builder = new PackageBuilder();
Reader source = new StringReader(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<process xmlns=\"http://drools.org/drools-5.0/process\"\n" +
" xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
" xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n" +
" type=\"RuleFlow\" name=\"flow\" id=\"org.drools.start\" package-name=\"org.jbpm\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" <imports>\n" +
" <import name=\"org.jbpm.Person\" />\n" +
" </imports>\n" +
" <globals>\n" +
" <global identifier=\"myList\" type=\"java.util.List\" />\n" +
" </globals>\n" +
" <variables>\n" +
" <variable name=\"SomeVar\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" </variable>\n" +
" <variable name=\"SomeOtherVar\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" </variable>\n" +
" </variables>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" >\n" +
" <triggers>" +
" <trigger type=\"constraint\" >\n" +
" <constraint type=\"rule\" dialect=\"mvel\" >p:Person()</constraint>\n" +
" <mapping type=\"in\" from=\"p.getName()\" to=\"SomeVar\" />\n" +
" <mapping type=\"in\" from=\""SomeString"\" to=\"SomeOtherVar\" />\n" +
" </trigger>\n " +
" </triggers>\n" +
" </start>\n" +
" <actionNode id=\"2\" name=\"Action\" >\n" +
" <action type=\"expression\" dialect=\"java\" >myList.add(context.getVariable(\"SomeVar\"));\n" +
"myList.add(context.getVariable(\"SomeOtherVar\"));</action>\n" +
" </actionNode>\n" +
" <end id=\"3\" name=\"End\" />\n" +
" </nodes>\n" +
"\n" +
" <connections>\n" +
" <connection from=\"1\" to=\"2\" />\n" +
" <connection from=\"2\" to=\"3\" />\n" +
" </connections>\n" +
"\n" +
"</process>");
builder.addRuleFlow(source);
if (!builder.getErrors().isEmpty()) {
for (DroolsError error: builder.getErrors().getErrors()) {
System.err.println(error);
}
fail("Could not build process");
}
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
StatefulSession session = ruleBase.newStatefulSession();
List<Message> myList = new ArrayList<Message>();
session.setGlobal("myList", myList);
assertEquals(0, myList.size());
Person jack = new Person();
jack.setName("Jack");
session.insert(jack);
session.fireAllRules();
assertEquals(2, myList.size());
assertEquals("Jack", myList.get(0));
assertEquals("SomeString", myList.get(1));
}
public void testStartEventTrigger() throws Exception {
PackageBuilder builder = new PackageBuilder();
Reader source = new StringReader(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<process xmlns=\"http://drools.org/drools-5.0/process\"\n" +
" xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
" xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n" +
" type=\"RuleFlow\" name=\"flow\" id=\"org.drools.start\" package-name=\"org.drools\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" <globals>\n" +
" <global identifier=\"myList\" type=\"java.util.List\" />\n" +
" </globals>\n" +
" <variables>\n" +
" <variable name=\"SomeVar\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" </variable>\n" +
" <variable name=\"SomeOtherVar\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" </variable>\n" +
" </variables>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" >\n" +
" <triggers>" +
" <trigger type=\"event\" >\n" +
" <eventFilters>" +
" <eventFilter type=\"eventType\" eventType=\"myEvent\" />\n" +
" </eventFilters>" +
" <mapping type=\"in\" from=\"event\" to=\"SomeVar\" />\n" +
" <mapping type=\"in\" from=\"SomeString\" to=\"SomeOtherVar\" />\n" +
" </trigger>\n " +
" </triggers>\n" +
" </start>\n" +
" <actionNode id=\"2\" name=\"Action\" >\n" +
" <action type=\"expression\" dialect=\"java\" >myList.add(context.getVariable(\"SomeVar\"));\n" +
"myList.add(context.getVariable(\"SomeOtherVar\"));</action>\n" +
" </actionNode>\n" +
" <end id=\"3\" name=\"End\" />\n" +
" </nodes>\n" +
"\n" +
" <connections>\n" +
" <connection from=\"1\" to=\"2\" />\n" +
" <connection from=\"2\" to=\"3\" />\n" +
" </connections>\n" +
"\n" +
"</process>");
builder.addRuleFlow(source);
if (!builder.getErrors().isEmpty()) {
for (DroolsError error: builder.getErrors().getErrors()) {
System.err.println(error);
}
fail("Could not build process");
}
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
StatefulSession session = ruleBase.newStatefulSession();
List<Message> myList = new ArrayList<Message>();
session.setGlobal("myList", myList);
assertEquals(0, myList.size());
((InternalWorkingMemory) session).getProcessRuntime().signalEvent("myEvent", "Jack");
session.fireAllRules();
assertEquals(2, myList.size());
assertEquals("Jack", myList.get(0));
assertEquals("SomeString", myList.get(1));
}
}