process.addNode( ruleSet1 );
process.addNode( ruleSet2 );
process.addNode( ruleSet3 );
process.addNode( split );
process.addNode( join );
process.addNode( end );
// rules for split
final Rule splitRule1 = new Rule( "RuleFlow-Split-1-" + split.getId() + "-" + ruleSet1.getId() );
splitRule1.setRuleFlowGroup( "DROOLS_SYSTEM" );
splitRule1.setConsequence( consequence );