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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.dw.IPhyTable;

/**
 * ?????Ա????????
 * @author RunQian
 *
 */
public abstract class PhyTableFunction extends MemberFunction {
	protected IPhyTable table;
	
	public boolean isLeftTypeMatch(Object obj) {
		return obj instanceof IPhyTable;
	}

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