Problem while upgradeing elastic from 1.4 to 7.0

Hello,

I have an index mapping that has  dynamic_templates  that use groovy but I found that it is not supported in new Elasticsearch versions 

"dynamic_templates":[
 {
 "categories_value":{
 "match":"category_value_*",
 "match_mapping_type":"string",
 "mapping":{
 "type":"integer"
 }
 }
 },
 {
 "negative_keyword":{
 "match":"negative_keyword_*",
 "match_mapping_type":"string",
 "mapping":{
 "type":"integer"
 }
 }
 },
 {
 "also_serving_area":{
 "match":"also_serving_area_*",
 "match_mapping_type":"string",
 "mapping":{
 "type":"integer"
 }
 }
 },
 {
 "also_serving_city":{
 "match":"also_serving_city_*",
 "match_mapping_type":"string",
 "mapping":{
 "type":"integer"
 }
 }
 },
 {
 "also_serving_directory":{
 "match":"also_serving_directory_*",
 "match_mapping_type":"string",
 "mapping":{
 "type":"integer"
 }
 }
 },
 {
 "company_occasions":{
 "match":"occasion_id_*",
 "match_mapping_type":"string",
 "mapping":{
 "type":"integer"
 }
 }
 },
 {
 "company_occasions_categories":{
 "match":"occasion_category_*",
 "match_mapping_type":"string",
 "mapping":{
 "type":"integer"
 }
 }
 }

 ]

so is there any other replacement to the groovy that I can Use in elasticSearch ?

Thanks