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SPL(Structured Process Language) A programming language specially for structured data computing.

There is a newer version: 20240823

package com.scudata.expression;

import com.scudata.dm.DBObject;

/**
 * ???ݿ??Ա????????
 * db.f()
 * @author RunQian
 *
 */
public abstract class DBFunction extends MemberFunction {
	protected DBObject db;

	public boolean isLeftTypeMatch(Object obj) {
		return obj instanceof DBObject;
	}
	
	public void setDotLeftObject(Object obj) {
		db = (DBObject)obj;
	}
	
	/**
	 * ?ͷŽڵ????õĵ?????????Ķ???
	 */
	public void releaseDotLeftObject() {
		db = null;
	}
}