package eu.dnetlib.data.proto;

import "Kind.proto";
import "FieldType.proto";

// for Oafentity
import "Type.proto";
import "Datasource.proto";
import "Organization.proto";
import "Person.proto";
import "Project.proto";
import "Result.proto";

// for OafRel
import "RelType.proto";
import "Datasource_Organization.proto";
import "Person_Result.proto";
import "Project_Organization.proto";
import "Project_Person.proto";
import "Result_Organization.proto";
import "Result_Project.proto";
import "Person_Person.proto";
import "Result_Result.proto";
import "Organization_Organization.proto";

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

message Oaf {
  required Kind kind = 1;

  optional OafEntity entity = 2;
  optional OafRel rel = 3;

  optional DataInfo dataInfo = 4;

	// used to mark the last update time of this object
  optional sfixed64 lastupdatetimestamp = 5;
}

message OafEntity {
  required Type type = 1;
  required string id = 12;
  
  repeated string originalId = 8;
  repeated KeyValue collectedfrom = 9;
  
  repeated StructuredProperty pid = 10;
  optional string dateofcollection = 11;
  optional string dateoftransformation = 13;

  /* Any relation that we want to bundle together with this entity.
   It's intended to be used only in temporary values in map/red jobs (sequence files, ...)
   and never persisted values stored in  HBase. */
  repeated OafRel cachedRel = 2;
  repeated Oaf cachedOafRel = 18;

  optional Datasource datasource = 3;
  optional Organization organization = 4;
  optional Person person = 5;
  optional Project project = 6;
  optional Result result = 7;
  
  repeated OafEntity children = 16;
  
  repeated ExtraInfo extraInfo = 15;
  
  optional OAIProvenance oaiprovenance = 17;
}


message OafRel {
  required RelType relType = 1;
  required SubRelType subRelType = 19;
  required string relClass = 20;	// one among the SubRel names, e.g. Provision.RelName.isProvidedBy

  required string source = 2;
  required string target = 3;

  /* if true then is a "child" */
  required bool child = 4;

  optional OafEntity cachedTarget = 5;

  // needed to have more information that is not included in cachedTarget.
  optional Oaf cachedOafTarget = 8;

  // Datamodel rels
  optional DatasourceOrganization datasourceOrganization = 6;
  optional PersonResult personResult = 7;
  optional ProjectOrganization projectOrganization = 9;
  optional ProjectPerson projectPerson = 18;
  optional ResultOrganization resultOrganization = 10;
  optional ResultProject resultProject = 11;
  optional PersonPerson personPerson = 15;
  optional ResultResult resultResult = 16;
  optional OrganizationOrganization organizationOrganization = 17;

  repeated KeyValue collectedfrom = 21;

}