package org.jbpm.process.builder;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import org.drools.RuleBase;
import org.drools.RuleBaseFactory;
import org.drools.WorkingMemory;
import org.drools.common.InternalWorkingMemory;
import org.drools.compiler.PackageBuilder;
import org.drools.compiler.PackageRegistry;
import org.drools.lang.descr.ActionDescr;
import org.drools.rule.MVELDialectRuntimeData;
import org.drools.rule.Package;
import org.drools.rule.builder.PackageBuildContext;
import org.drools.rule.builder.dialect.mvel.MVELDialect;
import org.drools.spi.ProcessContext;
import org.jbpm.JbpmTestCase;
import org.jbpm.process.builder.dialect.mvel.MVELActionBuilder;
import org.jbpm.process.instance.impl.Action;
import org.jbpm.process.instance.impl.MVELAction;
import org.jbpm.workflow.core.DroolsAction;
import org.jbpm.workflow.core.impl.DroolsConsequenceAction;
import org.jbpm.workflow.core.node.ActionNode;
public class MVELDecisionBuilderTest extends JbpmTestCase {
public void setUp() {
}
public void testSimpleAction() throws Exception {
final Package pkg = new Package( "pkg1" );
ActionDescr actionDescr = new ActionDescr();
actionDescr.setText( "list.add( 'hello world' )" );
PackageBuilder pkgBuilder = new PackageBuilder( pkg );
PackageRegistry pkgReg = pkgBuilder.getPackageRegistry( pkg.getName() );
MVELDialect mvelDialect = ( MVELDialect ) pkgReg.getDialectCompiletimeRegistry().getDialect( "mvel" );
PackageBuildContext context = new PackageBuildContext();
context.init( pkgBuilder, pkg, null, pkgReg.getDialectCompiletimeRegistry(), mvelDialect, null);
pkgBuilder.addPackageFromDrl( new StringReader("package pkg1;\nglobal java.util.List list;\n") );
ActionNode actionNode = new ActionNode();
DroolsAction action = new DroolsConsequenceAction("java", null);
actionNode.setAction(action);
final MVELActionBuilder builder = new MVELActionBuilder();
builder.build( context,
action,
actionDescr,
actionNode );
final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkgBuilder.getPackage() );
final WorkingMemory wm = ruleBase.newStatefulSession();
List<String> list = new ArrayList<String>();
wm.setGlobal( "list", list );
MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkgBuilder.getPackage().getDialectRuntimeRegistry().getDialectData( "mvel");
ProcessContext processContext = new ProcessContext( ((InternalWorkingMemory) wm).getKnowledgeRuntime() );
((MVELAction) actionNode.getAction().getMetaData("Action")).compile( data );
((Action)actionNode.getAction().getMetaData("Action")).execute( processContext );
assertEquals("hello world", list.get(0) );
}
}