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import java.util.Map;
import org.openmrs.Patient;
import org.openmrs.logic.*;
import org.openmrs.logic.rule.*;
import org.openmrs.logic.result.*;

public class GENERATED-NAME extends AbstractRule {
    public Result eval(LogicContext context, Integer patientId, 
            Map<String, Object> parameters) throws LogicException {
        // YOUR-CONTENT-INSERTED-HERE
    }
}

return new Result(context.getPatient(patientId).getAge(context.indexDate))

/*
 * In order to add as little overhead as possible, allowing rules to be run 
run * relatively efficiently on very large
 * cohorts, the rule framework does not 
 not* automatically provide us with a Patient object, but just a patientId.
 * This line fetches that Patient object. (It actually fetches all patientspatients 
 * in the cohort the rule is being evaluated
 * on.)
 */
def patient = context.getPatient(patientId)

/*
 * We want this rule to work correctly if you evaluate it as-of some otherother 
 * date. So we fetch the index date from
 * the LogicContext. "context.indexDate" 
 * is groovy shorthand for "context.getIndexDate()"
 */
def age = patient.getAge(context.indexDate)

/*
 * We need to wrap our returned value in a logic Result.
 */
return new Result(age)

package org.openmrs.module.logic.rule;

import java.util.Map;
import org.openmrs.Patient;
import org.openmrs.logic.*;
import org.openmrs.logic.rule.*;
import org.openmrs.logic.result.*;

public class CompiledRule3 extends AbstractRule {
    public Result eval(LogicContext context, Integer patientId, 
            Map<String, Object> parameters) {
        return new Result("I would recommend Groovy instead");
    }
}