How to use

setAttributePath

method

in

org.geotools.filter.AttributeExpressionImpl

/**
 * Constructor with schema and path to the attribute.
 *
 * @param schema The initial (required) sub filter.
 * @param attPath the xpath to the attribute.
 *
 * @throws IllegalFilterException If the attribute path is not in the
 *         schema.
 */
protected AttributeExpressionImpl(SimpleFeatureType schema, String attPath)
  throws IllegalFilterException {
  this.schema = schema;
  this.expressionType = ATTRIBUTE;
  setAttributePath(attPath);
}

/**
 * Constructor with schema and path to the attribute.
 *
 * @param schema The initial (required) sub filter.
 * @param attPath the xpath to the attribute.
 *
 * @throws IllegalFilterException If the attribute path is not in the
 *         schema.
 */
protected AttributeExpressionImpl(FeatureType schema, String attPath)
  throws IllegalFilterException {
  this.schema = schema;
  this.expressionType = ATTRIBUTE;
  setAttributePath(attPath);
}