productmanagerimpl.java

这是一个好的compass的示例,想学习的人可以下载看一看...

package com.lwz.service.impl;

import java.util.ArrayList;
import java.util.List;

import org.compass.core.Compass;
import org.compass.core.CompassHits;
import org.compass.core.CompassQueryBuilder;
import org.compass.core.CompassSession;
import org.compass.core.CompassTemplate;
import org.compass.core.CompassQueryBuilder.CompassBooleanQueryBuilder;

import com.lwz.dao.IProductDAO;
import com.lwz.model.Product;
import com.lwz.service.IProductManager;

public class ProductManagerImpl implements IProductManager {

	private IProductDAO productDAO;
	private CompassTemplate compassTemplate;
	
	public void setCompassTemplate(CompassTemplate compassTemplate) {
		this.compassTemplate = compassTemplate;
	}

	public void setProductDAO(IProductDAO productDAO) {
		this.productDAO = productDAO;
	}

	public Product findProById(int id) {
		return productDAO.getProById(id);
	}

	public void insertPro(Product product) {
		productDAO.addPro(product);
	}

	public List<Product> searchProducts(String queryString) {
		
		System.out.println(queryString);
		Compass compass = compassTemplate.getCompass();
		CompassSession session = compass.openSession();
		
		CompassQueryBuilder queryBuilder = session.queryBuilder();   
        CompassBooleanQueryBuilder boolQuery = queryBuilder.bool();  
		
        
        boolQuery.addShould(session.queryBuilder().queryString("name"+"asddas").toQuery());
        //boolQuery.addShould(session.queryBuilder().queryString("description"+"北京").toQuery());
		
		System.out.println(queryBuilder);
		CompassHits hits = queryBuilder.queryString(queryString).toQuery().hits();
		
		List<Product> list = new ArrayList<Product>();
		
		for(int i = 0; i < hits.length() ; i++){
			list.add((Product)hits.data(i));
		}
		
		return list;
	}
}