package com.java110.core.factory;
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import com.alibaba.fastjson.JSONObject;
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import com.java110.common.cache.MappingCache;
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import com.java110.common.constant.MappingConstant;
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import com.java110.common.constant.ResponseConstant;
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import com.java110.common.exception.GenerateCodeException;
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import com.java110.common.exception.ResponseErrorException;
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import com.java110.common.factory.ApplicationContextFactory;
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import com.java110.common.util.Assert;
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import com.java110.common.util.DateUtil;
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import com.java110.feign.code.ICodeApi;
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import org.springframework.web.client.RestTemplate;
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import java.rmi.NoSuchObjectException;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.UUID;
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import java.util.concurrent.locks.Lock;
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import java.util.concurrent.locks.ReentrantLock;
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/**
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* 生成序列工具类
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* Created by wuxw on 2017/2/27.
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*/
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public class GenerateCodeFactory {
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private static final long ONE_STEP = 1000000;
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private static final Lock LOCK = new ReentrantLock();
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private static short lastCount = 1;
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private static int count = 0;
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private static final String first = "10";
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/**
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*
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* 只有在不调用服务生成ID时有用
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*/
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private static Map<String,String> prefixMap = null;
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static {
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prefixMap = new HashMap<String,String>();
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//10+yyyymmdd+八位序列
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prefixMap.put("oId","10");
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//（20+yyyymmdd+八位序列）
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prefixMap.put("bId","20");
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//（11+yyyymmdd+八位序列）
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prefixMap.put("attrId","11");
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prefixMap.put("transactionId","1000001");
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prefixMap.put("pageTransactionId","1000002");
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prefixMap.put("dataFlowId","2000");
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prefixMap.put("userId","30");
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prefixMap.put("storeId","40");
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prefixMap.put("storePhotoId","41");
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prefixMap.put("storeCerdentialsId","42");
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prefixMap.put("shopId","50");
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prefixMap.put("shopAttrId","51");
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prefixMap.put("shopPhotoId","52");
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prefixMap.put("shopAttrParamId","53");
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prefixMap.put("shopPreferentialId","54");
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prefixMap.put("shopDescId","55");
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}
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private static String PLATFORM_CODE = "0001";
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@SuppressWarnings("finally")
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public static String nextId(String idLength) {
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LOCK.lock();
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try {
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if (lastCount == ONE_STEP) {
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lastCount = 1;
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}
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count = lastCount++;
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} finally {
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LOCK.unlock();
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return String.format(idLength, count);
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}
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}
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public static String nextId(){
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return nextId("%06d");
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}
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/**
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* 获取交易流水ID
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*
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* @return
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*/
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public static String getTransactionId() {
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//从内存中获取平台随机码
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return prefixMap.get("transactionId") + DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H) + nextId();
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}
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/**
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* 获取内部平台 交易流水
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* @return
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* @throws NoSuchObjectException
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*/
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public static String getInnerTransactionId() throws Exception{
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return codeApi().generateCode(prefixMap.get("transactionId"));
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}
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/**
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* 获取交易流水ID
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*
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* @return
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*/
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public static String getPageTransactionId() {
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//从内存中获取平台随机码
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return prefixMap.get("pageTransactionId") + DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H) + nextId();
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}
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public static String getOId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("oId") + DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H) + nextId("%08d");
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}
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return getCode(prefixMap.get("oId"));
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}
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/**
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* 查询Code
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* @param prefix
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* @return
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* @throws GenerateCodeException
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*/
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private static String getCode(String prefix) throws GenerateCodeException{
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//调用服务
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String code = "-1";
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try {
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String responseMessage = restTemplate().postForObject(MappingCache.getValue(MappingConstant.KEY_CODE_PATH),
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createCodeRequestJson(getTransactionId(),prefix,prefix).toJSONString(), String.class);
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if(ResponseConstant.RESULT_CODE_ERROR.equals(responseMessage)){
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throw new ResponseErrorException(ResponseConstant.RESULT_CODE_ERROR, "生成oId编码失败");
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}
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Assert.jsonObjectHaveKey(responseMessage, "code", "编码生成系统 返回报文错误" + responseMessage);
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JSONObject resJson = JSONObject.parseObject(responseMessage);
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if (!ResponseConstant.RESULT_CODE_SUCCESS.equals(resJson.getString("code"))) {
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throw new ResponseErrorException(resJson.getString("code"), "生成oId编码失败 "
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+ resJson.getString("message"));
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}
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code = resJson.getString("id");
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}catch (Exception e){
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throw new GenerateCodeException(ResponseConstant.RESULT_CODE_ERROR,e.getMessage());
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}
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finally {
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return code;
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}
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}
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public static String getBId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("bId") + DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H) + nextId("%08d");
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}
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//调用服务
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return getCode(prefixMap.get("bId"));
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}
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public static String getAttrId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("attrId") + DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H) + nextId("%08d");
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}
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//调用服务
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return getCode(prefixMap.get("attrId"));
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}
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/**
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* 生成dataFlowId
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* @return
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* @throws GenerateCodeException
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*/
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public static String getDataFlowId() throws GenerateCodeException{
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return UUID.randomUUID().toString().replace("-","").toLowerCase();
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}
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public static String getUserId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("userId") +DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H)+ nextId("%06d");
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}
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//调用服务
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return getCode(prefixMap.get("userId"));
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}
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public static String getStoreId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("storeId") +DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H)+ nextId("%06d");
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}
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//调用服务
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return getCode(prefixMap.get("storeId"));
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}
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public static String getStorePhotoId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("storePhotoId") +DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H)+ nextId("%06d");
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}
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//调用服务
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return getCode(prefixMap.get("storePhotoId"));
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}
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/**
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*
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* @return
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* @throws GenerateCodeException
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*/
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public static String getStoreCerdentialsId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("storeCerdentialsId") +DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H)+ nextId("%06d");
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}
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//调用服务
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return getCode(prefixMap.get("storeCerdentialsId"));
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}
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/**
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* 商品ID生成
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* @return
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* @throws GenerateCodeException
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*/
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public static String getShopId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("shopId") +DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H)+ nextId("%06d");
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}
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//调用服务
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return getCode(prefixMap.get("shopId"));
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}
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/**
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* 商品属性ID生成
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* @return
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* @throws GenerateCodeException
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*/
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public static String getShopAttrId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("shopAttrId") +DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H)+ nextId("%06d");
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}
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//调用服务
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return getCode(prefixMap.get("shopAttrId"));
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}
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/**
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* 商品优惠ID生成
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* @return
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* @throws GenerateCodeException
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*/
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public static String getShopPreferentialId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("shopPreferentialId") +DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H)+ nextId("%06d");
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}
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//调用服务
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return getCode(prefixMap.get("shopPreferentialId"));
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}
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/**
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* 商品属性参数ID生成
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* @return
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* @throws GenerateCodeException
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*/
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public static String getShopAttrParamId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("shopAttrParamId") +DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H)+ nextId("%06d");
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}
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//调用服务
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return getCode(prefixMap.get("shopAttrParamId"));
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}
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/**
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* 商品属性ID生成
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* @return
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* @throws GenerateCodeException
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*/
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public static String getShopPhotoId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("shopPhotoId") +DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H)+ nextId("%06d");
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}
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//调用服务
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return getCode(prefixMap.get("shopPhotoId"));
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}
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/**
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* 商品描述ID生成
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* @return
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* @throws GenerateCodeException
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*/
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public static String getShopDescId() throws GenerateCodeException{
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if(!MappingConstant.VALUE_ON.equals(MappingCache.getValue(MappingConstant.KEY_NEED_INVOKE_GENERATE_ID))){
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return prefixMap.get("shopDescId") +DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_H)+ nextId("%06d");
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}
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//调用服务
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return getCode(prefixMap.get("shopDescId"));
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}
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/**
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* 获取restTemplate
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* @return
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* @throws NoSuchObjectException
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*/
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private static RestTemplate restTemplate() throws NoSuchObjectException{
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Object bean = ApplicationContextFactory.getBean("restTemplate");
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if(bean == null){
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throw new NoSuchObjectException("没有找到restTemplate对象，请核实");
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}
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return (RestTemplate) bean;
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}
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/**
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* 获取codeApi
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* @return
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* @throws NoSuchObjectException
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*/
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private static ICodeApi codeApi() throws NoSuchObjectException{
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Object bean = ApplicationContextFactory.getBean(ICodeApi.class.getName());
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if(bean == null){
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throw new NoSuchObjectException("codeApi，请核实");
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}
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return (ICodeApi) bean;
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}
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/**
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* ID生成请求报文
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* @param transactionId
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* @return
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*/
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private static JSONObject createCodeRequestJson(String transactionId, String prefix, String name){
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JSONObject paramOut = JSONObject.parseObject("{}");
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paramOut.put("transactionId",transactionId);
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paramOut.put("prefix",prefix);
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paramOut.put("name",name);
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paramOut.put("requestTime",DateUtil.getNowDefault());
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return paramOut;
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}
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}
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