Partial update/add/delete of a document using java

Elastic Stack Elasticsearch
6

In below mapping, i have a nestedDocument named allImageReco, is there a way to add/update/delete those nested document. I read somewhere these partial updates doesnt go through the whole document re-indexing.

mappings": {
"jobupdate": {
"properties": {
"advisoryDescription": {
"type": "text",
"fields": {
"keyword": {
"type": "keyword",
"ignore_above": 256
}
}
},
"allImageReco": {
"type": "nested",
"include_in_parent": true,
"properties": {
"advisoryId": {
"type": "text",
"fields": {
"keyword": {
"type": "keyword",
"ignore_above": 256
}
}
},
"advisoryType": {
"type": "text",
"fields": {
"keyword": {
"type": "keyword",
"ignore_above": 256
}
}
},
"platform": {
"type": "text",
"fields": {
"keyword": {
"type": "keyword",
"ignore_above": 256
}
}
},
"recommendedImage": {
"type": "text",
"fields": {
"keyword": {
"type": "keyword",
"ignore_above": 256
}
}
}

        }
      } ...