package roseindia.net.dao.hibernate;

import java.io.Serializable;

import javax.persistence.Id;

import org.hibernate.annotations.Entity;
import org.hibernate.search.annotations.Analyzer;
import org.hibernate.search.annotations.DocumentId;
import org.hibernate.search.annotations.Field;
import org.hibernate.search.annotations.Index;
import org.hibernate.search.annotations.Indexed;
import org.hibernate.search.annotations.Store;


@Entity
@Indexed
@Analyzer (impl = roseindia.net.dao.hibernate.English.class)
public class Tutorial implements Serializable {

    /** identifier field */
   @Id
   @DocumentId
    private Integer id;

    /** persistent field */
    @Field(index=Index.TOKENIZED, store=Store.YES)
    private String shortdesc;

    /** persistent field */
    @Field(index=Index.TOKENIZED, store=Store.YES)
    private String longdesc;

    /** persistent field */
    //@Field(index=Index.TOKENIZED, store=Store.YES)
    private String pageurl;

    /** full constructor */
    public Tutorial(Integer id, String shortdesc, String longdesc, String pageurl) {
        this.id = id;
        this.shortdesc = shortdesc;
        this.longdesc = longdesc;
        this.pageurl = pageurl;
    }

    /** default constructor */
    public Tutorial() {
    }

    public Integer getId() {
        return this.id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getShortdesc() {
        return this.shortdesc;
    }

    public void setShortdesc(String shortdesc) {
        this.shortdesc = shortdesc;
    }

    public String getLongdesc() {
        return this.longdesc;
    }

    public void setLongdesc(String longdesc) {
        this.longdesc = longdesc;
    }

    public String getPageurl() {
        return this.pageurl;
    }

    public void setPageurl(String pageurl) {
        this.pageurl = pageurl;
    }

}

public class English extends Analyzer
{
   /**
        This method useful in following situation<br>
      Assume that one of our sentContent entities contains the display name "WWE rocks" <br>
      and you want to get hits for all of the following queries: "rock", "rocks", "rocked" <br>
      and "rocking".In this case this method applies word stemming during the indexing process.
     */
    @Override
    public TokenStream tokenStream(String fieldName, Reader reader) {
        TokenStream result = new StandardTokenizer(reader);
        result = new StandardFilter(result);
        //result = new LowerCaseFilter(result);
         String fi = null;
         try{fi = result.next().toString();}catch(Exception e){}
         System.out.println("result  "+result+"   "+fi );
         result = new SnowballFilter(result, "English");
        return result;
    }
}

Session  session = _factory.openSession();


       FullTextSession fullTextSession = Search.createFullTextSession(session);


       Transaction tx=fullTextSession.beginTransaction();
       List<Tutorial> tutorials = session.createQuery("from Tutorial as tutorials").list();
       for (Tutorial tutorial : tutorials) {
          System.out.println("Indexing");
       fullTextSession.index(tutorial);
       }
       tx.commit();

-------------------
session = _factory.openSession();


          fullTextSession = Search.createFullTextSession(session);


           tx=fullTextSession.beginTransaction();
           MultiFieldQueryParser multiFieldParser = new MultiFieldQueryParser(
                  new String[] {"shortdesc","longdesc","pageurl"},
                  new StandardAnalyzer()
                  );
            Query luceneQuery = null;

            luceneQuery = multiFieldParser.parse("gun");

            org.hibernate.Query hQuery = fullTextSession.createFullTextQuery(
                                 luceneQuery,
                                 Tutorial.class
                                 );
            //hQuery.setFetchSize(2);


             List all = hQuery.list();
             System.out.println("Test Size="+all.size());
             tx.commit();

           MultiFieldQueryParser multiFieldParser = new MultiFieldQueryParser(
                  new String[] {"shortdesc","longdesc","pageurl"},
                  new StandardAnalyzer()
                  );

           MultiFieldQueryParser multiFieldParser = new MultiFieldQueryParser(
                  new String[] {"shortdesc","longdesc","pageurl"},
                  new English()
                  );

MultiFieldQueryParser multiFieldParser = new MultiFieldQueryParser(
                  new String[] {"shortdesc","longdesc","pageurl"},
                  new English()
                  );

@Analyzer (impl = roseindia.net.dao.hibernate.English.class)

MultiFieldQueryParser multiFieldParser = new MultiFieldQueryParser(
                  new String[] {"shortdesc","longdesc","pageurl"},
                  new StandardAnalyzer()
                  );