Hibernate 搜索查询？
问候
我的域模型如下
class Species {
private String name;
..
..
List<Family> families;
}
class Family{
private String name;
private String locusId;
..
List<Member> members;
}
class Members{
private String name;
private String repTranscript;
}
我想使用“Hibernate Search”来执行查询，就像
org.hibernate.lucene.search.Query luceneQuery = parser.parse( "name:ASpeciesName or name:AGroupName or locudID:someLocusID" );
org.hibernate.Query fullTextQuery = fullTextSession.createFullTextQuery( luceneQuery );
List result = fullTextQuery.list();
我想知道的那样，因为所有三个类都有相同的字段“name”，它是否会再次搜索所有类？
“结果”是否具有所有类型的对象？
Greetings
My domain model is as follows
class Species {
private String name;
..
..
List<Family> families;
}
class Family{
private String name;
private String locusId;
..
List<Member> members;
}
class Members{
private String name;
private String repTranscript;
}
I want to use 'Hibernate Search' to execute queries like
org.hibernate.lucene.search.Query luceneQuery = parser.parse( "name:ASpeciesName or name:AGroupName or locudID:someLocusID" );
org.hibernate.Query fullTextQuery = fullTextSession.createFullTextQuery( luceneQuery );
List result = fullTextQuery.list();
I am wondering,since all three classes has same field 'name' does it search agains all the classes?
Does the 'result' has objects of all the types?
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它还取决于您如何建立索引。如果您单独为每个类建立索引（意味着每个类都有一个 @Indexed 注释），并且在创建 FullTextQuery 时没有指定预期的类类型，那么您在结果中确实会得到混合类。
但是，在您的示例中，您可以考虑在属性 families 和 members 上使用 @IndexedEmbedded。在这种情况下，Lucene 文档中的字段名称将为 families.name 和 families.members.name。
查看 Hibernate Search 在线文档和嵌入式索引功能。
——哈代
It also depends on how you index. If you index each class separately (meaning each class has a @Indexed annotation) and you don't specify a expected class type when creating the FullTextQuery you get indeed mixed classes in the result.
However, in your example you might consider using @IndexedEmbedded on the attribute families and members. In this case the field names in the Lucene Documents will families.name and families.members.name.
Have a look at the Hibernate Search online documentation and the embedded indexing feature.
--Hardy
从逻辑上讲，是的，因为查询中没有任何地方指定了所需的对象类型。
如果要将结果限制为特定类型，则需要将这些类型作为可变参数列表传递：
这是描述的在文档中。
Logically, yes, because nowhere in the query have you specified the type of objects that you want.
If you want to restrict the results to specific types, you need to pass those types as a vararg list:
This is described in the docs.