DataSourceService.java

package com.hp.cmsz.service;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

import com.hp.cmsz.entity.DataSource;
import com.hp.cmsz.repository.DataSourceDao;

/**
 * 
 * @author Liu Ying
 *
 */
@Component
@Transactional(readOnly=true)
public class DataSourceService {

	@Autowired
	private DataSourceDao dataSourceDao;
	
	//得到所有的数据来源
	public List<DataSource> getAllDataSources(){
		return (List<DataSource>)dataSourceDao.findDataSource();
		
	}
	
	public String getDataSourceById(List<Long> dataSourceIds){
		List<DataSource> dataSourceList = dataSourceDao.findByDataSourceIdIn(dataSourceIds);
		String dataSourceNames = "";
		for(int i=0;i<dataSourceList.size();i++){
			if(i==dataSourceList.size()-1){
				dataSourceNames +=  dataSourceList.get(i).getDataSourceName();
			}else{
				dataSourceNames +=  dataSourceList.get(i).getDataSourceName()+" ";
			}
		}
		return dataSourceNames;
	}
}