com.scudata.ide.spl.etl.element.FCursor Maven / Gradle / Ivy

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

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package com.scudata.ide.spl.etl.element;

import com.scudata.chart.Consts;
import com.scudata.ide.spl.etl.EtlConsts;
import com.scudata.ide.spl.etl.ParamInfo;
import com.scudata.ide.spl.etl.ParamInfoList;

/**
 * ?????????༭ f.cursor()
 * ??????ǰ׺F??ʾ?ļ?????
 * 
 * @author Joancy
 *
 */
public class FCursor extends FImport {
	public boolean x;

	/**
	 * ??ȡ???ڽ???༭?Ĳ?????Ϣ?б?
	 */
	public ParamInfoList getParamInfoList() {
		ParamInfoList paramInfos = super.getParamInfoList();
		ParamInfo.setCurrent(FCursor.class, this);

		String group = "options";
		paramInfos.add(group, new ParamInfo("x", Consts.INPUT_CHECKBOX));

		return paramInfos;
	}
	
	/**
	 * ??ȡ?ú????ķ???????
	 * @return EtlConsts.TYPE_CURSOR
	 */
	public byte getReturnType() {
		return EtlConsts.TYPE_CURSOR;
	}

	/**
	 * ??ȡ????????SPL????ʽ?ĺ?????
	 */
	public String getFuncName(){
		return "cursor";
	}
	
	/**
	 * ??ȡ????????SPL????ʽ??ѡ?
	 */
	public String optionString(){
		StringBuffer options = new StringBuffer();
		options.append(super.optionString());
		if(x){
			options.append("x");
		}
		return options.toString();
	}
	
}