casaserviceimpl.java

菲律宾的一个大学的图书管理系统 spring+hibernate+velocity

/*
 * 创建日期 2005-5-18
 */
package biz.bluesky.pts.service.impl;

import java.util.List;

import biz.bluesky.pts.model.TCaSa;
import biz.bluesky.pts.service.ICaSaService;
import biz.bluesky.pts.service.dao.ICaSaDAO;

import biz.bluesky.pts.util.ErrorCode;

import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.orm.ObjectRetrievalFailureException;
import org.springframework.dao.DataAccessException;

public class CaSaServiceImpl implements ICaSaService {

    private ICaSaDAO casaDAO;
    
    public void setCaSaDAO(ICaSaDAO casaDAO) {
        this.casaDAO = casaDAO;
    }

    public ICaSaDAO getCaSaDAO() {
        return this.casaDAO;
    }

    public TCaSa findCaSa(int casaId) {
        TCaSa casa = null;
        try {
            casa = casaDAO.findCaSa(casaId);
        }
        catch(ObjectRetrievalFailureException e) {
            
        }
        
        return casa;
    }

    public TCaSa findCaSa(String type) {
        return casaDAO.findCaSa(type);
    }

    public List findCaSas() {
        return casaDAO.findCaSas();
    }

    public int saveCaSa(TCaSa casa) {
        if((casa == null)||(casa.getType().equals(""))) {
            return ErrorCode.ERR_CASA_EMPTY;
        }
        
        try {
            casaDAO.saveCaSa(casa);
        }
        catch(DataIntegrityViolationException excp) {
            return ErrorCode.ERR_CASA_REPEAT;
        }
        catch(DataAccessException excp) {
            return ErrorCode.ERR_UNKNOW;
        }
        
        return ErrorCode.ERR_UNDISCOVERED;
    }

    public int removeCaSa(int casaId) {
        try {
            casaDAO.removeCaSa(casaId);
        }
        catch(ObjectRetrievalFailureException excp) {
            return ErrorCode.ERR_CASA_NOT_FIND;
        }
        catch(DataAccessException excp) {
            return ErrorCode.ERR_UNKNOW;
        }
        
        return ErrorCode.ERR_UNDISCOVERED;
    }

}