[英]Hibernate wild card phrase search results not optimal
我有以下带注释的类搜索功能(尚不完整,只是想立即使其正常工作):
我正在尝试获取它,以便当用户搜索“ foo ba”时,结果将弹出包含“ foo bar”,“ foo bat”等的行,但这些术语将显示在同一字段中。 IE,如果标题为“ foo”且ID为“ bat”,则不会显示,而标题为“ foo bath”的行将显示。 现在,即使其中一个字出现在任何一个字段中,它都将返回,并且排序也根本不起作用(但这是下一步,因此我现在不那么担心)。
@Entity
@Table(name="jobReq")
@Indexed
public class JobReq {
@Id
@DocumentId
@GeneratedValue(strategy=GenerationType.IDENTITY)
private Integer id;
@Field(index = Index.YES)
@Column(name="jobId", nullable=false, unique=true)
private String jobId;
@Field(index = Index.YES)
@Column(name="jobTitle", nullable=false)
private String jobTitle;
@Field(index = Index.YES)
@Column(name="jobContract", nullable=false)
private String contract;
@Field(index = Index.YES)
@Column(name="jobProject", nullable=true)
private String project;
@Field(index = Index.YES)
@Column(name="jobLaborCategory", nullable=false)
private String laborCategory;
@Field(index = Index.YES)
@Column(name="jobSummary", nullable=false)
private String summary;
@Field(index = Index.YES)
@Column(name="jobDescription", nullable=false)
private String jobDescription;
@Field(index=Index.YES)
@Column(name="jobStatus", nullable=false)
private String status;
@Field(index = Index.YES)
@Column(name="TTONumber", nullable=false)
private String TTONumber;
@Field(index = Index.YES)
@Column(name="jobPostedDate", nullable=false)
@Type(type="date")
private Date postedDate;
@Field(index = Index.YES)
@Column(name="jobModifiedDate", nullable=false)
@Type(type="date")
private Date modifiedDate;
public List<T> testingSearch() {
Session hibernateSession = this.getSession();
List<T> results;
SortField field =new SortField("jobStatus", SortField.STRING);
Sort sort = new Sort(field);
FullTextSession fullTextSession = Search
.getFullTextSession(hibernateSession);
fullTextSession.beginTransaction();
Term firstTerm = new Term("jobTitle", "entry");
Term secondTerm = new Term("jobTitle", "ar");
Term[] tTerms = new Term[] { firstTerm, secondTerm };
MultiPhraseQuery multiPhrasequery = new MultiPhraseQuery();
try {
File index = new File("I:/com.portal.application.model.JobPosition");
Directory indexDirectory = FSDirectory.open(index);
System.out.println(indexDirectory);
PrefixTermEnum reader = new PrefixTermEnum(IndexReader.open(indexDirectory), secondTerm);
System.out.println(reader.toString());
List<Term> termList = new LinkedList<Term>();
while (reader.docFreq() != -1) {
Term t = reader.term();
System.out.print(t);
if (t.field().equals("jobTitle") || t.text().startsWith(secondTerm.text())) {
termList.add(t);
}
reader.next();
}
Term[] terms = termList.toArray(new Term[0]);
multiPhrasequery.add(terms);
org.hibernate.Query hibQuery = fullTextSession.createFullTextQuery(multiPhrasequery, this.type).setSort(sort);
results = hibQuery.list();
fullTextSession.getTransaction().commit();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
results = null;
}
return results;
}
修复它,结果我忘了在搜索XD中添加第一项
实际查询文本:FullTextQueryImpl(jobTitle:“ entry(architect artist)”)
修改所有代码的代码:
...........
Term firstTerm = new Term("jobTitle", "entry");
** Term secondTerm = firstTerm.createTerm("ar");
Term[] tTerms = new Term[] { firstTerm, secondTerm };
MultiPhraseQuery multiPhrasequery = new MultiPhraseQuery();
try {
File index = new File("I:/com.rhc.rayport.model.JobReq");
Directory indexDirectory = FSDirectory.open(index);
System.out.println(indexDirectory);
PrefixTermEnum reader = new PrefixTermEnum(IndexReader.open(indexDirectory), secondTerm);
System.out.println(reader.toString());
List<Term> termList = new LinkedList<Term>();
while (reader.docFreq() != -1) {
Term t = reader.term();
System.out.println(t);
if (t.field().equals("jobTitle") || t.text().startsWith(secondTerm.text())) {
termList.add(t);
}
reader.next();
}
Term[] terms = termList.toArray(new Term[0]);
multiPhrasequery.add(firstTerm);
** multiPhrasequery.add(terms);
................
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