SimpleDAO.java

package com.jqmobile.core.server.db.dao;

import com.jqmobile.core.orm.ORM;
import com.jqmobile.core.orm.exception.ORMException;
import com.jqmobile.core.orm.exception.ORMNotDBTableException;
import com.jqmobile.core.utils.TypeArgFinder;
import com.jqmobile.core.utils.plain.Log;

public class SimpleDAO<T> extends DAO implements ISimpleDao<T>{

	private Class<T> beanClass;
	private ORM<T> orm;

	@Override
	public boolean create(T t) throws ORMException {
		return 1==getORM().insert(t);
	}

	@Override
	public boolean update(T t) throws ORMException {
		return 1==getORM().update(t);
	}

	@Override
	public boolean delete(String recid) throws ORMException {
		return 1==getORM().delete(recid);
	}

	@Override
	public T find(String recid) {
		try {
			return getORM().find(recid);
		} catch (ORMException e) {
			Log.getLog(getClass()).e(e);
			return null;
		}
	}
	
	protected ORM<T> getORM() throws ORMNotDBTableException, ORMException{
		if(null == orm) orm = super.getORM(getBeanClass());
		return orm;
	}
	
	@SuppressWarnings("unchecked")
	protected Class<T> getBeanClass(){
		if(null == beanClass){
			beanClass = (Class<T>) TypeArgFinder.find(this.getClass(), SimpleDAO.class, 0);
		}
		return beanClass;
	}
	public void setBeanClass(Class<T> c){
		this.beanClass = c;
	}

	@Override
	public boolean put(T t) throws ORMException {
		if(!update(t)){
			return create(t);
		}
		return true;
	}
}