class FeedHelper {

    public static String evaluateClusterExp(org.apache.ivory.entity.v0.cluster.Cluster clusterEntity, String exp)
            throws IvoryException {
        Properties properties = loadClusterProperties(clusterEntity);
        ExpressionHelper expHelp = ExpressionHelper.get();
        expHelp.setPropertiesForVariable(properties);
        return expHelp.evaluateFullExpression(exp, String.class);
    }

}