//add consequence
rule2.setConsequence( new org.drools.spi.InstrumentedConsequence( ) );
//add conditions
rule2.addCondition( new org.drools.spi.InstrumentedCondition( ) );
rule2.addCondition( new org.drools.spi.InstrumentedCondition( ) );
rule2.setSalience( 12 );
RuleSet ruleSet = new RuleSet( "rule_set" );
ruleSet.addRule( rule1 );
ruleSet.addRule( rule2 );