import org.apache.lucene.queries.FilterClause; //导入依赖的package包/类
@Override
public Filter getFilter(Element e) throws ParserException {
  BooleanFilter bf = new BooleanFilter();
  NodeList nl = e.getChildNodes();

  for (int i = 0; i < nl.getLength(); i++) {
    Node node = nl.item(i);
    if (node.getNodeName().equals("Clause")) {
      Element clauseElem = (Element) node;
      BooleanClause.Occur occurs = BooleanQueryBuilder.getOccursValue(clauseElem);

      Element clauseFilter = DOMUtils.getFirstChildOrFail(clauseElem);
      Filter f = factory.getFilter(clauseFilter);
      bf.add(new FilterClause(f, occurs));
    }
  }

  return bf;
}
 

import org.apache.lucene.queries.FilterClause; //导入依赖的package包/类
public Builder withFilterClausesList(List<FilterClause> filterClausesList) {
    this.filterClausedList = filterClausesList;
    return this;
}