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

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

There is a newer version: 20241126

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

import java.util.ArrayList;

import com.scudata.ide.spl.etl.EtlConsts;
import com.scudata.ide.spl.etl.FieldDefine;
import com.scudata.ide.spl.etl.ObjectElement;
import com.scudata.ide.spl.etl.ParamInfo;
import com.scudata.ide.spl.etl.ParamInfoList;

/**
 * ?????????༭ A.rename()
 * ??????ǰ׺A??ʾ???
 * 
 * @author Joancy
 *
 */
public class ARename extends ObjectElement {
	public ArrayList fieldNames;//?????????ֶ??б?
	
	/**
	 * ??ȡ???ڽ???༭?Ĳ?????Ϣ?б?
	 */
	public ParamInfoList getParamInfoList() {
		ParamInfoList paramInfos = new ParamInfoList();
		ParamInfo.setCurrent(ARename.class, this);

		paramInfos.add(new ParamInfo("fieldNames",EtlConsts.INPUT_FIELDDEFINE_RENAME_FIELD));
		
		return paramInfos;
	}

	/**
	 * ??ȡ??????
	 * ???͵ĳ???????Ϊ
	 * EtlConsts.TYPE_XXX
	 * @return ǰ׺A??ͷ?ĺ???????????EtlConsts.TYPE_SEQUENCE
	 */
	public byte getParentType() {
		return EtlConsts.TYPE_SEQUENCE;
	}

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

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

	/**
	 * ??ȡ????????SPL????ʽ?ĺ?????
	 * ??setFuncBody???溯????Ȼ?????ʽ?ĸ?ֵҲ???ǻ????
	 */
	public String getFuncBody() {
		String buf = getFieldDefineExp2(fieldNames);
		return buf;
	}

	/**
	 * ???ú?????
	 * @param funcBody ??????
	 */
	public boolean setFuncBody(String funcBody) {
		fieldNames = getFieldDefine2(funcBody);
		return true;
	}

}