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

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package com.scudata.expression;

import com.scudata.dm.FileGroup;

/**
 * ?ļ????Ա????????
 * fg.f()
 * @author RunQian
 *
 */
public abstract class FileGroupFunction extends MemberFunction {
	protected FileGroup fg;
	
	public boolean isLeftTypeMatch(Object obj) {
		return obj instanceof FileGroup;
	}

	public void setDotLeftObject(Object obj) {
		fg = (FileGroup)obj;
	}
	
	/**
	 * ?ͷŽڵ????õĵ?????????Ķ???
	 */
	public void releaseDotLeftObject() {
		fg = null;
	}
}