operationmbean.java

具备多表组合查询组件功能。通过将表字段与表间关系映射到对象关系及属性

package cn.edu.buaa.ieguam.logmanage.mbeans;

import java.util.HashMap;
import cn.edu.buaa.ieguam.logmanage.MBean;

/**
 * MBean for table OPERATION
 * @author tongxiaodong
 * Creation time:Nov 15, 2006 11:32:27 PM
 */

public class OperationMBean extends MBean{
	
	
	/**
	 * 初始化
	 */
	public void init()
	{
		this.setPkName("id");
		this.setPojoName("operation");
		this.setTableName("OPERATION");
		this.createOrmMap();
		this.createFkmMap();
		
	}
	
	/**
	 * 创建外键-表实体映射图
	 */
	public void createFkmMap()
	{
		if(this.getFkmMap() == null)
		{
			this.setFkmMap(new HashMap());
		}
		MBean mBean = new ApplicationMBean();
		this.addOneFkm("appId",(ApplicationMBean)mBean,"id");
		
	}
	
	/**
	 * 创建属性名-SubBean(为属性名-表字段名-字段值的复合数据类型)的映射
	 *
	 */
	public void createOrmMap()
	{
		HashMap ormMap = new HashMap();
		MBean.SubBean subBean = null;
		String pojoCol = null;
		String tableCol = null;
		
		
		//设置各属性名-表字段名-表字段值的映射，,其中tableCol表属性名设为“数据库表名+字段名”
		pojoCol = "id";
		tableCol = "OPERATION.ID";
		subBean = this.initSubBean(this.getPojoName(),pojoCol,tableCol,null,null);
		ormMap.put(pojoCol,subBean);
		
		pojoCol = "appId";
		tableCol = "OPERATION.APP_ID";
		subBean = this.initSubBean(this.getPojoName(),pojoCol,tableCol,null,null);
		ormMap.put(pojoCol,subBean);
		
		pojoCol = "columnName";
		tableCol = "OPERATION.COLUMN_NAME";
		subBean = this.initSubBean(this.getPojoName(),pojoCol,tableCol,null,null);
		ormMap.put(pojoCol,subBean);
		
		pojoCol = "oldValue";
		tableCol = "OPERATION.OLD_VALUE";
		subBean = this.initSubBean(this.getPojoName(),pojoCol,tableCol,null,null);
		ormMap.put(pojoCol,subBean);
		
		pojoCol = "newValue";
		tableCol = "OPERATION.NEW_VALUE";
		subBean = this.initSubBean(this.getPojoName(),pojoCol,tableCol,null,null);
		ormMap.put(pojoCol,subBean);
			
		this.setOrmMap(ormMap);
		
	}

}