crudaction.java

EasyJWeb是基于java技术

package com.easyjf.web.tools;

import java.io.Serializable;

import com.easyjf.core.dao.GenericDAO;
import com.easyjf.core.support.query.IQueryObject;
import com.easyjf.core.support.query.QueryUtil;

/**
 * 添加改查模型的基类，实现基本的添删改查、分页等功能。该类通过子类中提供的具体的entityClass方法及getDao方法来进行工作。
 * 子类一般的实现如下所示：
 * 
 * <pre>
 * public class PersonAction extends CrudAction {
 * 	&#064;Inject(name = &quot;personDao&quot;)
 * 	private GenericDAO&lt;Person&gt; dao;
 * 
 * 	public void setDao(GenericDAO&lt;Person&gt; dao) {
 * 		this.dao = dao;
 * 	}
 * 
 * 	protected Class entityClass() {
 * 		return Person.class;
 * 	}
 * 
 * 	public GenericDAO getDao() {
 * 		return dao;
 * 	}
 * }
 * </pre>
 * 
 * @author 大峡,williamRaym
 * 
 */
abstract public class CrudAction extends AbstractCrudAction {

	public abstract GenericDAO getDao();

	@Override
	protected Object findEntityObject(Serializable id) {
		return getDao().get(id);
	}

	@Override
	protected IPageList queryEntity(IQueryObject queryObject) {
		return QueryUtil.query(queryObject, entityClass(), getDao());
	}

	@Override
	protected void removeEntity(Serializable id) {
		getDao().remove(id);
	}

	@Override
	protected void saveEntity(Object obj) {
		getDao().save(obj);
	}

	@Override
	protected void updateEntity(Object obj) {
		getDao().update(obj);
	}
}