Lucene 多条件查询

lucene 在Lucene 多条件查询我想实现条件A and (条件B or 条件C)。请问 BooleanClause.Occur.MUST, BooleanClause.Occur.SHOULD 如何整合。或则是否有其他实现方法。谢谢。
	好吧，我解决了。 BooleanQuery mainQuery = new BooleanQuery(); TermQuery contentFilter = new TermQuery(new Term(“content”, “some text”)); mainQuery.add(contentFilter, BooleanClause.Occur.MUST); BooleanQuery idFilter = new BooleanQuery(); idFilter.setMinimumNumberShouldMatch(1); idFilter.add(new TermQuery(new Term(“id”, A)), BooleanClause.Occur.SHOULD); idFilter.add(new TermQuery(new Term(“id”, B)), BooleanClause.Occur.SHOULD); idFilter.add(new TermQuery(new Term(“id”, C)), BooleanClause.Occur.SHOULD); mainQuery.Add(idFilter, BooleanClause.Occur.MUST);
40分	BooleanQuery query = new BooleanQuery(); query.add(B, BooleanClause.Occur.SHOULD); query.add(C, BooleanClause.Occur.SHOULD); BooleanQuery booleanQuery = new BooleanQuery(); booleanQuery.add(A, BooleanClause.Occur.MUST); booleanQuery.add(query, BooleanClause.Occur.MUST);