Build graphQL query string
The use is quite simple, just write something like
String graphQLQueryString =
new GQLQueryBuilder().addObject(
new GQLObject("publications")
.addParam("isArchived",true)
.addField("title")
.addField("text")
.addField(
new GQLObject("author")
.setNeedNode(false)
.addField("firstName")
.addField("lasttName")
)
).build();