com.scudata.ide.spl.etl.ObjectElement Maven / Gradle / Ivy
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SPL(Structured Process Language) A programming language specially for structured data computing.
package com.scudata.ide.spl.etl;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.StringTokenizer;
import com.scudata.chart.Para;
import com.scudata.common.Escape;
import com.scudata.common.MessageManager;
import com.scudata.common.RQException;
import com.scudata.common.Sentence;
import com.scudata.common.StringUtils;
import com.scudata.dm.Sequence;
import com.scudata.ide.common.GC;
/**
* ?????????Ķ???Ԫ?ػ???
*
* cellName.funcName(args...)
* @author Joancy
*
*/
public abstract class ObjectElement implements IFuncObject{
public MessageManager mm = FuncMessage.get();
public static String SNULL = "_NULL_";
String elementName;
String cellName = null;//???????֣? ??Ӧ?ں?????ʵ??????
public abstract byte getReturnType();//????????????
public abstract String getFuncName();//??????д????
public abstract String getFuncBody();//?????????ʽ
public abstract String optionString();//????ѡ??
public void checkEmpty(){};//???Ա??????ֵ???
public abstract ParamInfoList getParamInfoList();//?????б?
public abstract boolean setFuncBody(String funcBody);//??????
/**
* ???ú?????ѡ??
* @param options ѡ??
*/
public void setOptions(String options){
if(options==null){
return;
}
String group = FuncMessage.get().getMessage("options");
ArrayList ofs = getParamInfoList().getParams(group);
if(ofs==null){
return;
}
for(ParamInfo pi:ofs){
String fieldName = pi.getName();
try {
Field fieldOption = getClass().getField(fieldName);
// 0??1ѡ?????????Ϊ??Ӧ??Ӣ??
if(fieldName.equals("zero")){
fieldName = "0";
}else if(fieldName.equals("one")){
fieldName = "1";
}
Object value = options.indexOf(fieldName)>-1;
fieldOption.set(this, value);
} catch (Exception e) {
e.printStackTrace();
}
}
}
/**
* ??????????ת??Ϊ????ʽ???ʹ?
* @return ????ʽ??
*/
public String toExpressionString() {
StringBuffer sb = new StringBuffer();
if(getReturnType()==EtlConsts.TYPE_EMPTY){
sb.append(">");
}else{
sb.append("=");
}
if(StringUtils.isValidString(cellName)){
sb.append(cellName);
sb.append(".");
}
sb.append(getFuncName());
sb.append(getOptions());
sb.append("(");
String body = getFuncBody();
if(StringUtils.isValidString(body)){
sb.append(body);
}
sb.append(")");
return sb.toString();
}
/**
* ????Ԫ??????
*
* Ԫ?????ֲ?ͬ?ں?????funcName?? funcName???Բ?Ψһ?? ????Ԫ?????ֱ???Ψһ
* ???ڽ??ͬ?????????⣻ ???磬 db.query(sql, arg) db.query(A,sql,arg);
* ?˴?dbΪcellName?? queryΪfuncName??????Ҫ???壻??elementName?????Ϊ SQLQuery?? SequenceQuery?????????ֲ?ͬ?ĺ?????
* @param eleName Ԫ??????
*/
public void setElementName(String eleName){
this.elementName = eleName;
}
/**
* ??ȡԪ??????
* @return ????
*/
public String getElementName(){
return elementName;
}
/**
* ??ȡ????????????Ϣ
* ????Ϣ?洢????Դ?ļ?????ʾ?ڱ༭????
* @return ??????Ϣ
*/
public String getFuncDesc(){
return mm.getMessage(elementName+".desc");
}
/**
* ??ȡ?ú????İ???????
* @return ???ӵ?ַ
*/
public String getHelpUrl(){
String url = mm.getMessage(elementName+".url");
if(url.startsWith(elementName)){
String prefix = "http://doc.raqsoft.com.cn/esproc/func/";
if(GC.LANGUAGE==GC.ENGLISH){
prefix = "http://doc.raqsoft.com/esproc/func/";
}
return prefix+elementName.toLowerCase()+".html";
}
return url;
}
/**
* ???õ?Ԫ??????
* @param cellName ????
*/
public void setCellName(String cellName){
this.cellName = cellName;
}
/**
* ??ȡ??Ԫ??????
* @return
*/
public String getCellName(){
return cellName;
}
/**
* ???ò?????Ϣ?б?
* @param paramInfos ??????Ϣ?б?
*/
public void setParamInfoList(ArrayList paramInfos){
Sequence params = new Sequence();
for(ParamInfo pi:paramInfos){
params.add(pi);
}
setParams(getClass(),this,params);
}
private void setParams(Class elementClass, ObjectElement elementObject,
Sequence funcParams) {
int size = funcParams.length();
for (int i = 1; i <= size; i++) {
FuncParam fp = (FuncParam) funcParams.get(i);
Para p = new Para(fp.getValue());
Field f = null;
try {
f = elementClass.getField(fp.getName());
String className = f.getType().getName().toLowerCase();
if (className.endsWith("boolean")) {
f.set(elementObject, new Boolean(p.booleanValue()));
} else if (className.endsWith("byte")) {
f.set(elementObject, new Byte((byte) p.intValue()));
} else if (className.endsWith("int")
|| className.endsWith("integer")) {
f.set(elementObject, new Integer(p.intValue()));
} else if (className.endsWith("float")) {
f.set(elementObject, new Float(p.floatValue()));
} else if (className.endsWith("double")) {
f.set(elementObject, new java.lang.Double(p.doubleValue()));
} else if (className.endsWith(".color")) {// ???ϵ?Ͳ????chartcolor????color??
f.set(elementObject, p.colorValue(0));
} else if (className.endsWith("string")) {
f.set(elementObject, p.stringValue());
} else if (className.endsWith("sequence")) {
f.set(elementObject, p.sequenceValue());
} else if (className.endsWith("date")) {
f.set(elementObject, p.dateValue());
} else if (className.endsWith("chartcolor")) {
f.set(elementObject, p.chartColorValue());
} else {
f.set(elementObject, p.getValue());
}
} catch (java.lang.NoSuchFieldException nField) {
} catch (RQException rqe) {
throw rqe;
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
/**
* ??????ֵ?б?args???ݷָ???seperatorƴ?ɱ???ʽ??
* @param args ????ֵ?б?
* @param seperator ?ָ???
* @return ????ʽ??
*/
public static String getStringListExp(ArrayList args,String seperator){
if(args==null || args.isEmpty()){
return "";
}
StringBuffer options = new StringBuffer();
for(int i=0;i0){
options.append(seperator);
}
options.append(args.get(i));
}
return options.toString();
}
/**
* getStringListExp???????????
* @param args ????ʽ??
* @param seperator ?ָ???
* @return ????ֵ?б?
*/
public static ArrayList getStringList(String args,String seperator){
if(!isValidString(args)){
return null;
}
ArrayList sl = new ArrayList();
StringTokenizer st = new StringTokenizer(args,seperator);
while(st.hasMoreTokens()){
sl.add(st.nextToken());
}
return sl;
}
/**
* ??ȡ????ʽƴ????ѡ???ʾ
* @return ѡ???ʾ
*/
public String getOptions(){
String options = optionString();
if(StringUtils.isValidString(options)){
return "@"+options.toString();
}else{
return "";
}
}
/**
* ??????ֵparamValue???ղ?????ʾ????ƴΪSPL????ʽ??
* @param paramValue ????ֵ
* @return SPL????ʽ??
*/
public static String getParamExp(String paramValue){
if(paramValue==null){
return "";
}
if(paramValue.startsWith("=")){
return paramValue.substring(1);
}
return Escape.addEscAndQuote(paramValue);
}
/**
* getParamExp???????
* @param paramValue SPL????ʽ??
* @return ????ֵ???ڴ??ʾ
*/
public static String getParam(String paramValue){
if(!isValidString(paramValue)){
return "";
}
if(paramValue.startsWith("\"")){
return Escape.removeEscAndQuote(paramValue);
}
return "="+paramValue;
}
/**
* ??????ֵparamValue???ձ???ʽ??ʾ????ƴΪSPL????ʽ??
* @param paramValue ????ֵ
* @return SPL????ʽ??
*/
public static String getExpressionExp(String paramValue){
if(!isValidString(paramValue)){
return "";
}
if(paramValue.startsWith("=")){
return paramValue.substring(1);
}
return paramValue;
}
/**
* getExpressionExp???????
* @param paramValue SPL????ʽ??
* @return ????ֵ???ڴ??ʾ
*/
public static String getExpression(String paramValue){
if(!isValidString(paramValue)){
return "";
}
String exp = paramValue;
int idx = 0;
int len = exp.length();
int tmp = Sentence.scanIdentifier( exp, idx );
if( tmp < len - 1 ) {//??ʶ???ȳ??ȶ?ʱ?????DZ???ʽ
return "="+paramValue;
}
return paramValue;
}
/**
* ??????ֵparamValue??????ֵ??ʾ????ƴΪSPL????ʽ??
* @param paramValue ????ֵ
* @return SPL????ʽ??
*/
public static String getNumberExp(String paramValue){
if(!isValidString(paramValue)){
return "";
}
if(paramValue.startsWith("=")){
return paramValue.substring(1);
}
return paramValue;
}
/**
* getNumberExp???????
* @param paramValue SPL????ʽ??
* @return ?ڴ????ֵ
*/
public static String getNumber(String paramValue){
if(!isValidString(paramValue)){
return "";
}
try{
Double d = Double.valueOf(paramValue);
//???????ֵ??ֱ?ӷ??ص?ǰ????ʽ
return paramValue;
}catch(Exception x){
//??????ʽ
return "="+paramValue;
}
}
/**
* ??????ֵfields???ձ???ʽ??ʾ????ƴΪSPL????ʽ??
* @param fields ?ֶζ????б?
* @return SPL????ʽ??
*/
public static String getFieldDefineExp(ArrayList fields){
if(fields==null || fields.isEmpty()){
return "";
}
StringBuffer sb = new StringBuffer();
if(fields!=null){
for(FieldDefine fd:fields){
if(sb.length()>0){
sb.append(",");
}
sb.append(fd.getOne());
if(StringUtils.isValidString(fd.getTwo())){
sb.append(":");
sb.append(fd.getTwo());
}
if(StringUtils.isValidString(fd.getThree())){
sb.append(":");
sb.append(fd.getThree());
}
}
}
return sb.toString();
}
/**
* getFieldDefineExp???????
* ?????ֶζ??壬?Ӵ??????ֶζ????б?
* @param fields SPL????ʽ??
* @return ?ֶζ????б?
*/
public static ArrayList getFieldDefine(String fields){
if(!isValidString(fields)){
return null;
}
ArrayList fds = new ArrayList();
StringTokenizer st = new StringTokenizer(fields,",");
while(st.hasMoreTokens()){
String section = st.nextToken();
StringTokenizer token = new StringTokenizer(section,":");
FieldDefine fd = new FieldDefine();
fd.setOne(token.nextToken());
if(token.hasMoreTokens()){
fd.setTwo(token.nextToken());
}
if(token.hasMoreTokens()){
fd.setThree(token.nextToken());
}
fds.add(fd);
}
return fds;
}
/**
* ??????ֵfields???ձ???ʽ??ʾ????2ƴΪSPL????ʽ??
* ??FieldDefine???????ɹ???2??û???ֶ???ʱ??ȱʡʹ?ñ???ʽ???? A:A
* @param fields ?ֶζ????б?
* @return SPL????ʽ??
*/
public static String getFieldDefineExp2(ArrayList fields){
if(fields==null || fields.isEmpty()){
return "";
}
StringBuffer sb = new StringBuffer();
if(fields!=null){
for(FieldDefine fd:fields){
if(sb.length()>0){
sb.append(",");
}
sb.append(fd.getOne());
sb.append(":");
if(StringUtils.isValidString(fd.getTwo())){
sb.append(fd.getTwo());
}else{
sb.append(fd.getOne());
}
}
}
return sb.toString();
}
/**
* getFieldDefineExp2???????
* ?????ֶζ??壬?Ӵ??????ֶζ????б?
* @param fields SPL????ʽ??
* @return ?ֶζ????б?
*/
public static ArrayList getFieldDefine2(String fields){
if(!StringUtils.isValidString(fields)){
return null;
}
ArrayList fds = new ArrayList();
StringTokenizer st = new StringTokenizer(fields,",");
while( st.hasMoreTokens() ){
String tmp = st.nextToken();
StringTokenizer tmpST = new StringTokenizer(tmp,":");
String one = tmpST.nextToken();
String two = tmpST.nextToken();
FieldDefine fd = new FieldDefine();
fd.setOne(one);
if(!one.equals(two)){
fd.setTwo(two);
}
fds.add(fd);
}
return fds;
}
/**
* ?жϲ???ֵ?Ƿ?Ϊ????ʽд??
* @param paramValue ????ֵ
* @return ????ʽд??ʱ????true??????false
*/
public static boolean isExpression(String paramValue){
if(paramValue==null){
return false;
}
return paramValue.startsWith("=");
}
/**
* ????????ʡ???м?ʱ????????????ķָ????????硰A;;B??, ??ʱ??2?ڣ???Tokenizer????????
* Ϊ?˱?????????????˴?????Щ?ָ????м???? NULL ????
* @param param ????ֵ
* @return У????IJ???ֵ
*/
private static String verifyParam(String param){
if(param.startsWith(";")){
param = SNULL+param;
}
param = Sentence.replace(param, ";;", ";"+SNULL+";", 0);
param = Sentence.replace(param, ";;", ";"+SNULL+";", 0);
param = Sentence.replace(param, ";,", ";"+SNULL+",", 0);
param = Sentence.replace(param, ";:", ";"+SNULL+":", 0);
param = Sentence.replace(param, ",:", ","+SNULL+":", 0);
return param;
}
/**
* ?????ִ?ʱ??ʹ????NULL?ַ?????
* @param str
* @return
*/
public static boolean isValidString(String str){
if(!StringUtils.isValidString(str)){
return false;
}
return !str.equals(SNULL);
}
/**
* ????ʽ??????Ϊ????????
* @param exp ????ʽ
* @param oes ???б༭?õĵ?Ԫ????????ӳ???
* @return ????Ԫ??
*/
public static ObjectElement parseString(String exp, HashMap oes){
if(!isValidString(exp)){
return null;
}
exp = exp.trim();
if(!(exp.startsWith("=") || exp.startsWith(">"))){
return null;
}
// =file@s("d:/1.txt") =A1.create@o(arg1)
int index = exp.indexOf("(");
if(index<0){
return null;
}
int iTmp = Sentence.scanParenthesis(exp, index);
if (iTmp < 0) {
return null;
} else if(iTmp<(exp.length()-1)){//??֧?ֶ༶??????д A1.import().sort()
return null;
}
String celName = null;//???????????? A1
String funName = null;//?????? create
String options = null;//ѡ?? o
String funBody = null;//?????? arg1
String tmp = exp.substring(1,index);
int dot1 = tmp.indexOf(".");
if(dot1>0){
celName = tmp.substring(0,dot1);
tmp = tmp.substring(dot1+1);
}
int indexOption = tmp.indexOf("@");
if(indexOption>0){
funName = tmp.substring(0,indexOption);
tmp = tmp.substring(indexOption+1);
}else{
funName = tmp;
tmp = null;
}
options = tmp;
funBody = exp.substring(index+1,exp.length()-1);
ArrayList funObjs = ElementLib.getElementInfos(funName);
if(funObjs.isEmpty()){
return null;
}
ElementInfo ei=null;
if( funObjs.size()==1 ){
ei = funObjs.get(0);
}else{
ObjectElement parent = oes.get(celName);
byte parentType;
if(parent==null){
parentType = EtlConsts.TYPE_EMPTY;
}else{
parentType = parent.getReturnType();
}
int c = 0;
ArrayList tmpFunObjs = new ArrayList();
for(ElementInfo tmpEI:funObjs){
ObjectElement tmpOE = tmpEI.newInstance();
if(tmpOE.getParentType()==parentType){
ei = tmpEI;
c++;
tmpFunObjs.add(ei);
if(!StringUtils.isValidString(funBody)){
break;
}
}
}
if(c>1){
for(ElementInfo tmpEI:tmpFunObjs){
ObjectElement tmpOE = tmpEI.newInstance();
String tmps = verifyParam(funBody);
if(tmpOE.setFuncBody(tmps)){
ei = tmpEI;
break;
}
}
}
}
if(ei==null){
return null;
}
ObjectElement oe = ei.newInstance();
oe.setCellName(celName);
oe.setOptions(options);
if(StringUtils.isValidString(funBody)){
funBody = verifyParam(funBody);
oe.setFuncBody(funBody);
}
return oe;
}
}