Merge remote-tracking branch 'origin/luck_draw_feature' into luck_draw_feature

ace-common/src/main/java/com/github/wxiaoqi/security/common/support/aop/ValidParamAop.java

@@ -16,6 +16,7 @@ import javax.validation.Validator;
 import javax.validation.executable.ExecutableValidator;
 import java.lang.reflect.Method;
 import java.lang.reflect.Parameter;
+import java.util.Collection;
 import java.util.Objects;
 import java.util.Set;
 
@@ -62,8 +63,13 @@ public class ValidParamAop {
           for (int i =0;i<argLength;i++){
                BeanValid beanValidAnnotation = parameters[i].getDeclaredAnnotation(BeanValid.class);
                if (Objects.nonNull(beanValidAnnotation)){
-                    if (args[i].getClass().isArray()){
-                          Object[] arrayArg =(Object[])args[i];
+                    if ((args[i] instanceof Collection) || (args[i].getClass().isArray())){
+                         Object[] arrayArg = null;
+                         if(args[i] instanceof Collection){
+                              arrayArg = ((Collection)args[i]).toArray();
+                         }else {
+                              arrayArg = (Object[])args[i];
+                         }
                           for (Object item:arrayArg){
                                Set<ConstraintViolation<Object>> validateResult = this.validator.validate(item, beanValidAnnotation.value());
                                if (!validateResult.isEmpty()){

ace-modules/ace-admin-api/src/main/java/com/github/wxiaoqi/security/admin/bo/InviteMemberBO.java

@@ -10,6 +10,8 @@ import lombok.Data;
  */
 @Data
 public class InviteMemberBO {
+      private Integer userId;
+      private Integer parentId;
       private String username;
       private String headUrl;
       private Long joinTime;

ace-modules/ace-admin/src/main/java/com/github/wxiaoqi/security/admin/mapper/AppUserRelationMapper.java

@@ -23,4 +23,6 @@ public interface AppUserRelationMapper extends Mapper<AppUserRelation> {
     public  int countByParentId(@Param("parentId")Integer parentId,@Param("bindTime")Long bindTime);
 
     List<AppUserRelation> selectByUserIds(@Param("userIds") List<Integer> userIds);
+
+    List<AppUserRelation> selectCountByLeaderId(Integer userId);
 }

ace-modules/ace-admin/src/main/resources/mapper/AppUserRelationMapper.xml

@@ -21,4 +21,8 @@
            #{userId}
         </foreach>
     </select>
+
+    <select id="selectCountByLeaderId" resultType="com.github.wxiaoqi.security.admin.entity.AppUserRelation">
+        select * from   `app_user_relation` as `aur` inner join  `app_user_login` as `aul` on aul.id=aur.user_id where aur.is_del=0 and aul.isdel=0  and aur.parent_id=#{userId}
+    </select>
 </mapper>
\ No newline at end of file

ace-modules/ace-admin/src/main/resources/mapper/AppUserSellingWaterMapper.xml

@@ -10,6 +10,7 @@
 	 IFNULL(ausww.income,0)  AS `income`
 FROM
 	`app_user_relation` AS `aur`
+	INNER JOIN (select `id` from `app_user_login` where  isdel=0)as `aul` ON aul.id=aur.user_id
 	LEFT JOIN (SELECT DISTINCT
 	`source_id` AS userId,
 	IFNULL(

xx-activity/xx-activity-api/src/main/java/com/xxfc/platform/activity/constant/PrizeGoodsTypeEnum.java

+package com.xxfc.platform.activity.constant;
+/**
+ * @author libin
+ * @version 1.0
+ * @description
+ * @data 2019/12/6 12:11
+ */
+public enum PrizeGoodsTypeEnum {
+    PRIZE(1,"奖品"),
+    COUPON(2,"优惠券"),
+    NO_PRIZE(0,"谢谢惠顾");
+
+    private int code;
+    private String desc;
+
+    PrizeGoodsTypeEnum(int code, String desc) {
+        this.code = code;
+        this.desc = desc;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public void setCode(int code) {
+        this.code = code;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+
+    public void setDesc(String desc) {
+        this.desc = desc;
+    }
+}

xx-activity/xx-activity-api/src/main/java/com/xxfc/platform/activity/entity/ActivityPrize.java

@@ -8,6 +8,8 @@ import javax.persistence.Column;
 import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
 import javax.persistence.Table;
+import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotNull;
 import java.io.Serializable;
 import java.util.Date;
 
@@ -25,32 +27,47 @@ public class ActivityPrize implements Serializable {
      @Id
      @GeneratedValue(generator = "JDBC")
      private Integer id;
+
+     @NotNull(message = "编号不能为null")
      @ApiModelProperty("编号")
      @Column(name = "serial_number")
      private Integer serialNumber;
+
+     @NotEmpty(message = "奖品名称不能为空")
      @Column(name = "name")
      private String name;
+
+     @NotEmpty(message = "奖品地址不能为空")
      @ApiModelProperty("奖品图片地址")
      @Column(name = "icon_path")
      private String iconPath;
+
+
      @ApiModelProperty("每天最多中奖份数")
      @Column(name = "day_max_use")
      private Integer dayMaxUse;
+
+     @NotNull(message = "奖品库存不能为null")
      @Column(name = "total_stock")
      private Integer totalStock;
+
+     @NotNull(message = "权重|概率不能为null")
      @Column(name = "probability")
      private Double probability;
+
+     @NotNull(message = "奖品设置类型不能null")
      @ApiModelProperty("1：线上 2：现场")
      @Column(name = "type")
      private Integer type;
+
      @Column(name = "crt_time")
      private Date crtTime;
      @Column(name = "upd_time")
      private Date updTime;
-     @Column(name = "is_entity")
-     private Integer isEntity;
      @Column(name = "goods_id")
      private Integer goodsId;
-     @Column(name = "is_prize")
-     private Integer isPrize;
+
+     @NotNull(message = "奖品类型不能为null")
+     @Column(name = "prize_goods_type")
+     private Integer prizeGoodsType;
 }

xx-activity/xx-activity-api/src/main/java/com/xxfc/platform/activity/vo/ActivityWinningRecordVo.java

@@ -19,6 +19,7 @@ import java.util.Date;
 public class ActivityWinningRecordVo {
 
     private String userName;
+    private String phone;
     private String positionName;
     @ApiModelProperty("1:线上 2：现场")
     private Integer prizeType;

xx-activity/xx-activity-api/src/main/java/com/xxfc/platform/activity/vo/LotteryVo.java

@@ -16,5 +16,7 @@ import lombok.NoArgsConstructor;
 public class LotteryVo {
 
      private String prizeName;
+     private Integer serialNumber;
      private String expiryDateCode;
+     private String message;
 }

xx-activity/xx-activity-server/src/main/java/com/xxfc/platform/activity/ActivityApplication.java

@@ -9,6 +9,8 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cache.annotation.EnableCaching;
 import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
 import org.springframework.cloud.openfeign.EnableFeignClients;
+import org.springframework.context.annotation.EnableAspectJAutoProxy;
+import org.springframework.scheduling.annotation.EnableAsync;
 import org.springframework.scheduling.annotation.EnableScheduling;
 import tk.mybatis.spring.annotation.MapperScan;
 
@@ -22,8 +24,11 @@ import tk.mybatis.spring.annotation.MapperScan;
         "com.xxfc.platform",
         "com.github.wxiaoqi.security.common.handler",
         "com.github.wxiaoqi.security.common.log",
-        "com.github.wxiaoqi.security.admin.support.aop"
+        "com.github.wxiaoqi.security.admin.support.aop",
+        "com.github.wxiaoqi.security.common.support"
 })
+@EnableAspectJAutoProxy(exposeProxy = true)
+@EnableAsync
 @EnableDiscoveryClient
 @EnableScheduling
 @EnableAceAuthClient

xx-activity/xx-activity-server/src/main/java/com/xxfc/platform/activity/biz/ActivityAttendanceRecordBiz.java

@@ -13,6 +13,7 @@ import com.xxfc.platform.activity.entity.ActivityAttendanceRecord;
 import com.xxfc.platform.activity.mapper.ActivityAttendanceRecordMapper;
 import com.xxfc.platform.activity.vo.ActivityAttendanceRecordTotalVo;
 import com.xxfc.platform.activity.vo.ActivityAttendanceRecordVo;
+import lombok.RequiredArgsConstructor;
 import org.apache.poi.ss.usermodel.CellStyle;
 import org.apache.poi.ss.usermodel.Row;
 import org.apache.poi.ss.util.CellRangeAddress;
@@ -20,18 +21,22 @@ import org.apache.poi.xssf.usermodel.XSSFSheet;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 import org.assertj.core.util.Lists;
 import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.ValueOperations;
+import org.springframework.scheduling.annotation.Async;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.StringUtils;
 
+import javax.annotation.Resource;
 import javax.servlet.ServletOutputStream;
 import java.io.IOException;
 import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.List;
-import java.util.Objects;
+import java.util.*;
+import java.util.concurrent.TimeUnit;
 import java.util.function.Supplier;
 import java.util.stream.Stream;
 
@@ -44,19 +49,38 @@ import java.util.stream.Stream;
  */
 @Transactional(rollbackFor = Exception.class)
 @Service
+@RequiredArgsConstructor(onConstructor = @__(@Autowired))
 public class ActivityAttendanceRecordBiz extends BaseBiz<ActivityAttendanceRecordMapper,ActivityAttendanceRecord> {
+    @Resource(name = "redisTemplate")
+    private ValueOperations<String, Object> valueOperations;
+
+    private final RedisTemplate<String,Object> redisTemplate;
+
+    @Value("${lottery.expire.days:60}")
+    private int expirDays;
 
     public void attendActivity(Integer activityId, String activityName,AppUserDTO appUserDTO) {
+        ActivityAttendanceRecord record = new ActivityAttendanceRecord();
+        record.setActivityId(activityId);
+        record.setUserId(appUserDTO.getUserid());
+        int num = mapper.selectCount(record);
+        if (num==0) {
             ActivityAttendanceRecord activityAttendanceRecord = new ActivityAttendanceRecord();
             activityAttendanceRecord.setActivityId(activityId);
             activityAttendanceRecord.setActivityName(activityName);
             activityAttendanceRecord.setUserId(appUserDTO.getUserid());
             activityAttendanceRecord.setPhone(appUserDTO.getUsername());
-        activityAttendanceRecord.setUserName(StringUtils.isEmpty(appUserDTO.getRealname())?appUserDTO.getNickname():appUserDTO.getRealname());
+            activityAttendanceRecord.setUserName(StringUtils.isEmpty(appUserDTO.getRealname()) ? appUserDTO.getNickname() : appUserDTO.getRealname());
             activityAttendanceRecord.setPositionId(appUserDTO.getPositionId());
             activityAttendanceRecord.setPositionName(appUserDTO.getPositionName());
             activityAttendanceRecord.setCrtTime(new Date());
             mapper.insertSelective(activityAttendanceRecord);
+            String onlineKey = String.format("%s%d:%d:%d", ActivityPrizeBiz.USER_LOTTERY_PRE_KEY,appUserDTO.getUserid(), activityId, PrizeTypeEnum.ONLINE.getCode());
+            String localeKey = String.format("%s%d:%d:%d",ActivityPrizeBiz.USER_LOTTERY_PRE_KEY,appUserDTO.getUserid(), activityId, PrizeTypeEnum.LOCALE.getCode());
+            redisTemplate.delete(Arrays.asList(onlineKey,localeKey));
+            valueOperations.set(onlineKey, 1L,expirDays, TimeUnit.DAYS);
+            valueOperations.set(localeKey, 1L,expirDays, TimeUnit.DAYS);
+        }
     }
 
 
@@ -99,6 +123,10 @@ public class ActivityAttendanceRecordBiz extends BaseBiz<ActivityAttendanceRecor
      }
 
     public Boolean hasNumberOfLuckyDrawByType(Integer activityId, Integer prizeType, Integer userid) {
+        Object lotteryNum = valueOperations.get(String.format("%s%d:%d:%d",ActivityPrizeBiz.USER_LOTTERY_PRE_KEY,userid, activityId, prizeType));
+        if (lotteryNum!=null){
+            return  Integer.valueOf(lotteryNum.toString()) >0;
+        }
         ActivityAttendanceRecord activityAttendanceRecord = new ActivityAttendanceRecord();
         activityAttendanceRecord.setActivityId(activityId);
         activityAttendanceRecord.setUserId(userid);
@@ -107,9 +135,11 @@ public class ActivityAttendanceRecordBiz extends BaseBiz<ActivityAttendanceRecor
             return false;
         }
         if (prizeType == PrizeTypeEnum.ONLINE.getCode()){
+             valueOperations.set(String.format("%s%d:%d:%d",ActivityPrizeBiz.USER_LOTTERY_PRE_KEY, userid, activityId, prizeType),activityAttendanceRecord.getOnlineLotteryNum(),expirDays, TimeUnit.DAYS);
             return activityAttendanceRecord.getOnlineLotteryNum()>0;
         }
         if (prizeType ==PrizeTypeEnum.LOCALE.getCode()){
+            valueOperations.set(String.format("%s%d:%d:%d",ActivityPrizeBiz.USER_LOTTERY_PRE_KEY,userid, activityId, prizeType),activityAttendanceRecord.getLocaleLotteryNum(),expirDays, TimeUnit.DAYS);
             return activityAttendanceRecord.getLocaleLotteryNum()>0;
         }
         return false;
@@ -171,4 +201,9 @@ public class ActivityAttendanceRecordBiz extends BaseBiz<ActivityAttendanceRecor
       activityAttendanceRecordDTO.getPrizes(),
       timeStr};
     }
+
+    @Async
+    public void updateLotteryNumByActivityIdAndUserIdAndPrizeType(Integer activityId,Integer userId,Integer prizeType){
+         mapper.updateLotteryNumByActivityIdAndUserIdAndPrizeType(activityId,userId,prizeType);
+    }
 }
\ No newline at end of file

xx-activity/xx-activity-server/src/main/java/com/xxfc/platform/activity/config/RedisConfiguration.java

+package com.xxfc.platform.activity.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
+import org.springframework.data.redis.serializer.RedisSerializer;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+
+import java.nio.charset.Charset;
+
+/**
+ * ${DESCRIPTION}
+ *
+ * @author wanghaobin
+ * @create 2017-06-21 8:39
+ */
+
+@Configuration
+@Primary
+public class RedisConfiguration {
+
+    @Bean
+    public RedisTemplate<String, Object>  redisTemplate(RedisConnectionFactory factory) {
+        RedisTemplate redisTemplate = new RedisTemplate();
+        redisTemplate.setConnectionFactory(factory);
+        RedisSerializer<String> stringSerializer = new StringRedisSerializer(Charset.forName("UTF-8"));
+        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
+        redisTemplate.setKeySerializer(stringSerializer);
+        redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
+        redisTemplate.setHashKeySerializer(stringSerializer);
+        redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);
+        return redisTemplate;
+    }
+
+}

xx-activity/xx-activity-server/src/main/java/com/xxfc/platform/activity/config/RedissonLock.java

+package com.xxfc.platform.activity.config;
+
+import org.redisson.api.*;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Resource;
+
+/**
+ * @author libin
+ * @version 1.0
+ * @description TODO
+ * @data 2019/6/20 16:51
+ */
+@Component
+public class RedissonLock {
+
+    @Resource
+    private RedissonClient redissonClient;
+
+
+    /**
+     * 获取锁
+     * @param key
+     * @return
+     */
+    public RLock getRLock(String key){
+        return redissonClient.getLock(key);
+    }
+
+    /**
+     * 获取读写锁
+     * @param key
+     * @return
+     */
+    public RReadWriteLock getRWLock(String key){
+        return redissonClient.getReadWriteLock(key);
+    }
+
+    /**
+     * 获取记数锁
+     * @param key
+     * @return
+     */
+    public RCountDownLatch getRCountDownLatch(String key){
+        return redissonClient.getCountDownLatch(key);
+    }
+
+    /**
+     * 获取消息的Topic
+     * @param key
+     * @return
+     */
+    public RTopic getRTopic(String key){
+        RTopic rTopic =  redissonClient.getTopic(key);
+        return rTopic;
+    }
+}

xx-activity/xx-activity-server/src/main/java/com/xxfc/platform/activity/mapper/ActivityAttendanceRecordMapper.java

@@ -3,6 +3,7 @@ package com.xxfc.platform.activity.mapper;
 import com.xxfc.platform.activity.dto.ActivityAttendanceRecordDTO;
 import com.xxfc.platform.activity.dto.ActivityAttendanceRecordFindDTO;
 import com.xxfc.platform.activity.entity.ActivityAttendanceRecord;
+import org.apache.ibatis.annotations.Param;
 import tk.mybatis.mapper.common.Mapper;
 
 import java.util.List;
@@ -17,4 +18,8 @@ import java.util.List;
 public interface ActivityAttendanceRecordMapper extends Mapper<ActivityAttendanceRecord> {
 
     List<ActivityAttendanceRecordDTO> selectActivityAttendanceRecord(ActivityAttendanceRecordFindDTO activityAttendanceRecordFindDTO);
+
+    void updateLotteryNumByActivityIdAndUserIdAndPrizeType(@Param("activityId") Integer activityId,
+                                                           @Param("userId") Integer userId,
+                                                           @Param("prizeType") Integer prizeType);
 }

xx-activity/xx-activity-server/src/main/java/com/xxfc/platform/activity/mapper/ActivityPrizeMapper.java

 package com.xxfc.platform.activity.mapper;
 
 import com.xxfc.platform.activity.entity.ActivityPrize;
+import org.apache.ibatis.annotations.Param;
 import tk.mybatis.mapper.additional.insert.InsertListMapper;
 import tk.mybatis.mapper.common.Mapper;
 
@@ -13,4 +14,6 @@ import tk.mybatis.mapper.common.Mapper;
  */
 public interface ActivityPrizeMapper extends Mapper<ActivityPrize>, InsertListMapper<ActivityPrize> {
 
+    void updatePrizeStock(@Param("prizeType") Integer prizeType,
+                          @Param("serialNumber") Integer serialNumber);
 }

xx-activity/xx-activity-server/src/main/java/com/xxfc/platform/activity/rest/ActivityPrizeController.java

@@ -4,7 +4,6 @@ import com.github.wxiaoqi.security.admin.feign.dto.AppUserDTO;
 import com.github.wxiaoqi.security.common.msg.ObjectRestResponse;
 import com.xxfc.platform.activity.biz.ActivityPrizeBiz;
 import com.xxfc.platform.activity.entity.ActivityPrize;
-import com.xxfc.platform.activity.vo.ActivityPrizeVo;
 import com.xxfc.platform.activity.vo.LotteryVo;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -48,8 +47,9 @@ public class ActivityPrizeController {
     @PostMapping("/lottery/{activityId}/{prizeType}")
     public ObjectRestResponse<LotteryVo> activityLottery(@PathVariable(value = "activityId") Integer activityId,
                                                          @PathVariable(value = "prizeType") Integer prizeType,
+                                                         @RequestParam(value = "lottery") String lottery,
                                                          AppUserDTO appUserDTO) {
-        LotteryVo lotteryVo = activityPrizeBiz.activityLottery(activityId,prizeType,appUserDTO);
+        LotteryVo lotteryVo = activityPrizeBiz.activityLottery(activityId,prizeType,lottery,appUserDTO);
         return ObjectRestResponse.succ(lotteryVo);
     }
 

xx-activity/xx-activity-server/src/main/java/com/xxfc/platform/activity/rest/admin/ActivityPrizeAdminController.java

 package com.xxfc.platform.activity.rest.admin;
 
+import com.github.wxiaoqi.security.common.annotation.BeanValid;
 import com.github.wxiaoqi.security.common.msg.ObjectRestResponse;
 import com.xxfc.platform.activity.biz.ActivityPrizeBiz;
 import com.xxfc.platform.activity.entity.ActivityPrize;
@@ -24,7 +25,7 @@ public class ActivityPrizeAdminController {
     private final ActivityPrizeBiz activityPrizeBiz;
 
     @PostMapping("/save")
-    public ObjectRestResponse<Void> savePrize(@RequestBody List<ActivityPrize> activityPrizes) {
+    public ObjectRestResponse<Void> savePrize(@BeanValid @RequestBody List<ActivityPrize> activityPrizes) {
         activityPrizeBiz.saveActivityPrizes(activityPrizes);
         return ObjectRestResponse.succ();
     }

xx-activity/xx-activity-server/src/main/resources/mapper/ActivityAttendanceRecordMapper.xml

@@ -27,7 +27,7 @@
         aar.user_name as `userName`,
         aar.phone,
         aar.position_name as `positionName`,
-        apr.inviteNum,
+        IFNULL(apr.inviteNum,0),
         awr.prizes
         from (select `user_id`,`popularize_id`,`current_progress`,`status`,`crt_time` from activity_popularize_user where
         `popularize_id`=#{activityId}
@@ -64,4 +64,21 @@
         order by apu.current_progress desc
     </select>
 
+    <update id="updateLotteryNumByActivityIdAndUserIdAndPrizeType">
+        update `activity_attendance_record`
+        <if test="prizeType==1">
+            set `online_lottery_num`=`online_lottery_num`-1
+        </if>
+        <if test="prizeType==2">
+            set `locale_lottery_num`=`locale_lottery_num`-1
+        </if>
+        where `activity_id`=#{activityId} and `user_id`=#{userId}
+        <if test="prizeType==1">
+            and  `online_lottery_num`>0
+        </if>
+        <if test="prizeType==2">
+            and `locale_lottery_num`>0
+        </if>
+    </update>
+
 </mapper>
\ No newline at end of file

xx-activity/xx-activity-server/src/main/resources/mapper/ActivityPrizeMapper.xml

@@ -14,9 +14,12 @@
         <result property="probability" column="probability"/>
         <result property="type" column="type"/>
         <result property="crtTime" column="crt_time"/>
-        <result property="isEntity" column="is_entity"/>
         <result property="goodsId" column="goods_id"/>
-        <result property="isPrize" column="is_prize"/>
+        <result property="prizeGoodsType" column="prize_goods_type"/>
     </resultMap>
 
+    <update id="updatePrizeStock">
+        update `activity_prize` set `total_stock`=`total_stock`-1 where `type`=#{prizeType} and `serial_number`=#{serialNumber} and `total_stock`>0;
+    </update>
+
 </mapper>
\ No newline at end of file

xx-activity/xx-activity-server/src/main/resources/mapper/ActivityWinningRecordMapper.xml

@@ -19,7 +19,7 @@
     </resultMap>
 
     <select id="selectActivityWinningRecord" resultType="com.xxfc.platform.activity.dto.ActivityWinningRecordPageDTO">
-        select * from `activity_winning_record` as `awr`
+        select aar.user_id as `userId`,aar.user_name as `userName`, aar.phone as `phone`,aar.position_name as `positionName`,awr.* from `activity_winning_record` as `awr`
         left join `activity_attendance_record` as `aar` ON aar.user_id=awr.user_id and aar.activity_id=awr.activity_id
         where 1=1
         <if test="activityId!=null">