?? blockboimpl.java
字號:
package com.lovo.bo;
import java.sql.SQLException;
import java.util.List;
import com.lovo.factory.DAOFactory;
import com.lovo.po.AreaPO;
import com.lovo.po.BlockPO;
public class BlockBOImpl implements BlockBO{
public boolean addBlock(BlockPO po) {
try {
DAOFactory.getBlockDAOInstance().insert(po);
} catch (SQLException e) {
e.printStackTrace();
return false;
}
return true;
}
public boolean delectBlock(int id) {
try {
DAOFactory.getBlockDAOInstance().delete(id);
} catch (SQLException e) {
e.printStackTrace();
return false;
}
return true;
}
public boolean modify(BlockPO po) {
try {
DAOFactory.getBlockDAOInstance().update(po);
} catch (SQLException e) {
e.printStackTrace();
return false;
}
return true;
}
public List<BlockPO> queryBlockByArea(int areaId) {
List<BlockPO> list = null;
try {
list = DAOFactory.getBlockDAOInstance().queryBlockByAreaId(areaId);
} catch (SQLException e) {
e.printStackTrace();
}
return list;
}
public BlockPO queryBlockById(int blockId) {
BlockPO blockPO=null;
try {
blockPO=DAOFactory.getBlockDAOInstance().queryBlockById(blockId);
} catch (SQLException e) {
e.printStackTrace();
}
return blockPO;
}
public boolean initArea(BlockPO po) {
try {
AreaPO area = DAOFactory.getAreaDAOInstance().queryById(po.getArea().getId());
po.setArea(area);
} catch (SQLException e) {
e.printStackTrace();
return false;
}
return true;
}
public boolean delectBlocks(int areaID) {
try {
DAOFactory.getBlockDAOInstance().deleteByAreaID(areaID);
} catch (SQLException e) {
e.printStackTrace();
return false;
}
return true;
}
}
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