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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.vdb.IVS;

/**
 * ???׿??Ա????????
 * h.f()
 * @author RunQian
 *
 */
public abstract class VSFunction extends MemberFunction {
	protected IVS vs;

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