package eu.dnetlib.data.proto;

import "FieldType.proto";
import "Person.proto";

option java_package = "eu.dnetlib.data.proto";
option java_outer_classname = "PublicationProtos";

message Publication {

	optional Metadata metadata = 2;
	
	repeated Instance instance = 6;
	
	repeated ExternalReference externalReference = 7;

	repeated Person author = 8;

	message Metadata {

		// resulttype allows subclassing results into publications or datasets
		optional Qualifier resulttype = 8;

		// common fields
		optional Qualifier language = 12;
		repeated Qualifier country = 33;

		repeated StructuredProperty subject = 1;
		repeated StructuredProperty title = 2;
		repeated StructuredProperty relevantdate = 3;

		repeated StringField description = 25;
		optional StringField dateofacceptance = 4;
		optional StringField publisher = 5;
		optional StringField embargoenddate = 6;
		repeated StringField source = 27;
		repeated StringField fulltext = 29; // remove candidate
		repeated StringField format = 21;
		repeated StringField contributor = 30;

		repeated Context context = 28;

		// publication specific
		optional Journal journal = 18;

	}
	
}