public static IEnumerable <long[]> AuIdToId(long start, long end,
MagEntityAuId[] startEntityAuIds, MagEntity endEntity)
{
var result = new ConcurrentBag <long[]>();
if (endEntity == null)
{
return(new long[0][]);
}
if (endEntity.Authors != null)
{
if (endEntity.Authors.Any(au => au.Id == start))
{
// AuId - Id
result.Add(new[] { start, end });
}
var afIds = startEntityAuIds.SelectMany(auId => auId.Authors
.Select(afId => afId.AffiliationId)).ToArray();
Parallel.ForEach(endEntity.Authors, author =>
{
if (author.AffiliationId != 0 && afIds.Contains(author.AffiliationId))
{
// AuId - AfId - AuId - Id
result.Add(new[] { start, author.AffiliationId, author.Id, end });
}
});
}
var middleIds = startEntityAuIds.Select(entity => entity.Id).Distinct().ToArray();
Parallel.ForEach(middleIds, middleId =>
{
var middleEntity = MagHelper.GetEntityById(middleId);
if (middleEntity.ReferenceIds != null)
{
if (middleEntity.ReferenceIds.Contains(end))
{
// AuId - Id - Id
result.Add(new[] { start, middleId, end });
}
foreach (var rId in middleEntity.ReferenceIds)
{
var ridRids = MagHelper.QueryRId(rId);
if (ridRids == null)
{
continue;
}
if (ridRids.Contains(middleId))
{
// AuId - Id - Id - Id
result.Add(new[] { start, middleId, rId, end });
}
}
}
var possibleIds = new List <long>();
if (middleEntity.Fields != null && endEntity.Fields != null)
{
possibleIds.AddRange(middleEntity.Fields.Select(mf => mf.Id).Intersect(
endEntity.Fields.Select(ef => ef.Id)));
}
if (middleEntity.Authors != null && endEntity.Authors != null)
{
possibleIds.AddRange(middleEntity.Authors.Select(mau => mau.Id).Intersect(
endEntity.Authors.Select(eau => eau.Id)));
}
if (middleEntity.Conference != null && endEntity.Conference != null)
{
if (middleEntity.Conference.Id == endEntity.Conference.Id)
{
possibleIds.Add(middleEntity.Conference.Id);
}
}
if (middleEntity.Journal != null && endEntity.Journal != null)
{
if (middleEntity.Journal.Id == endEntity.Journal.Id)
{
possibleIds.Add(middleEntity.Journal.Id);
}
}
foreach (var singleResult in possibleIds.Where(id => id != 0)
.Select(id => new[] { start, middleId, id, end }))
{
// AuId - Id - FId/AuId/CId/JId - Id
result.Add(singleResult);
}
});
return(result);
}
public static IEnumerable <long[]> IdToId(long start, long end,
MagEntity startEntity, MagEntity endEntity)
{
var result = new ConcurrentBag <long[]>();
if (startEntity == null || endEntity == null)
{
return(new long[0][]);
}
var startRIdEntities = new ConcurrentBag <MagEntity>();
var endLIdEntities = new MagEntityR[0];
var queryActions =
startEntity.ReferenceIds.Select(
rId => (Action)(() => { startRIdEntities.Add(MagHelper.GetEntityById(rId)); })).ToList();
queryActions.Add(() => { endLIdEntities = MagHelper.QueryLId(endEntity.Id).ToArray(); });
Parallel.Invoke(queryActions.ToArray());
var calcActions = new Action[2];
calcActions[0] = () =>
{
if (startRIdEntities.Any(entity => entity.Id == end))
{
// Id - Id
result.Add(new[] { start, end });
}
foreach (var singleResult in startRIdEntities.Select(se => se.Id)
.Intersect(endLIdEntities.Select(ee => ee.Id))
.Select(id => new[] { start, id, end }))
{
// Id - Id - Id
result.Add(singleResult);
}
};
calcActions[1] = () =>
{
var possibleSIds = new List <long>();
if (startEntity.Fields != null && endEntity.Fields != null)
{
possibleSIds.AddRange(startEntity.Fields.Select(sf => sf.Id).Intersect(
endEntity.Fields.Select(ef => ef.Id)));
}
if (startEntity.Authors != null && endEntity.Authors != null)
{
possibleSIds.AddRange(startEntity.Authors.Select(sau => sau.Id).Intersect(
endEntity.Authors.Select(eau => eau.Id)));
}
if (startEntity.Conference != null && endEntity.Conference != null)
{
if (startEntity.Conference.Id == endEntity.Conference.Id)
{
possibleSIds.Add(startEntity.Conference.Id);
}
}
if (startEntity.Journal != null && endEntity.Journal != null)
{
if (startEntity.Journal.Id == endEntity.Journal.Id)
{
possibleSIds.Add(startEntity.Journal.Id);
}
}
foreach (var singleResult in possibleSIds.Where(id => id != 0)
.Select(id => new[] { start, id, end }))
{
// Id - FId/AuId/CId/JId - Id
result.Add(singleResult);
}
};
Parallel.Invoke(calcActions);
Parallel.ForEach(startRIdEntities, startRIdEntity =>
{
foreach (var singleResult in startRIdEntity.ReferenceIds
.Intersect(endLIdEntities.Select(ee => ee.Id))
.Select(id => new[] { start, startRIdEntity.Id, id, end }))
{
// Id - Id - Id - Id
result.Add(singleResult);
}
var possibleIds = new List <long>();
if (endEntity.Fields != null && startRIdEntity.Fields != null)
{
possibleIds.AddRange(endEntity.Fields.Select(ef => ef.Id).Intersect(
startRIdEntity.Fields.Select(sf => sf.Id)));
}
if (endEntity.Authors != null && startRIdEntity.Authors != null)
{
possibleIds.AddRange(endEntity.Authors.Select(eau => eau.Id).Intersect(
startRIdEntity.Authors.Select(sau => sau.Id)));
}
if (endEntity.Conference != null && startRIdEntity.Conference != null)
{
if (endEntity.Conference.Id == startRIdEntity.Conference.Id)
{
possibleIds.Add(endEntity.Conference.Id);
}
}
if (endEntity.Journal != null && startRIdEntity.Journal != null)
{
if (endEntity.Journal.Id == startRIdEntity.Journal.Id)
{
possibleIds.Add(endEntity.Journal.Id);
}
}
foreach (var singleResult in possibleIds.Where(id => id != 0)
.Select(id => new[] { start, startRIdEntity.Id, id, end }))
{
// Id - Id - FId/AuId/CId/JId - Id
result.Add(singleResult);
}
});
Parallel.ForEach(endLIdEntities, endLIdEntity =>
{
var possibleIds = new List <long>();
if (startEntity.Fields != null && endLIdEntity.Fields != null)
{
possibleIds.AddRange(startEntity.Fields.Select(sf => sf.Id).Intersect(
endLIdEntity.Fields.Select(ef => ef.Id)));
}
if (startEntity.Authors != null && endLIdEntity.Authors != null)
{
possibleIds.AddRange(startEntity.Authors.Select(sau => sau.Id).Intersect(
endLIdEntity.Authors.Select(eau => eau.Id)));
}
if (startEntity.Conference != null && endLIdEntity.Conference != null)
{
if (startEntity.Conference.Id == endLIdEntity.Conference.Id)
{
possibleIds.Add(startEntity.Conference.Id);
}
}
if (startEntity.Journal != null && endLIdEntity.Journal != null)
{
if (startEntity.Journal.Id == endLIdEntity.Journal.Id)
{
possibleIds.Add(startEntity.Journal.Id);
}
}
foreach (var singleResult in possibleIds.Where(id => id != 0)
.Select(id => new[] { start, id, endLIdEntity.Id, end }))
{
// Id - FId/AuId/CId/JId - Id - Id
result.Add(singleResult);
}
});
return(result);
}
public static IEnumerable <long[]> Start(long start, long end)
{
var networkActions = new Action[4];
MagEntity startEntity = null, endEntity = null;
var startEntityAuIds = new MagEntityAuId[0];
var endEntityAuIds = new MagEntityAuId[0];
networkActions[0] = () => { startEntity = MagHelper.GetEntityById(start); };
networkActions[1] = () => { endEntity = MagHelper.GetEntityById(end); };
networkActions[2] = () => { startEntityAuIds = MagHelper.QueryAuId(start).ToArray(); };
networkActions[3] = () => { endEntityAuIds = MagHelper.QueryAuId(end).ToArray(); };
Parallel.Invoke(networkActions);
if (startEntity?.ReferenceIds.Count == 0 &&
startEntity.Authors == null &&
startEntity.Fields == null &&
startEntity.Journal == null &&
startEntity.Conference == null)
{
startEntity = null;
}
if (endEntity?.ReferenceIds.Count == 0 &&
endEntity.Authors == null &&
endEntity.Fields == null &&
endEntity.Journal == null &&
endEntity.Conference == null)
{
endEntity = null;
}
var queryActions = new List <Action>();
var results = new ConcurrentBag <long[]>();
if (startEntity != null && endEntity != null)
{
queryActions.Add(() =>
{
foreach (var result in IdToId(start, end, startEntity, endEntity))
{
results.Add(result);
}
});
}
if (startEntity != null && endEntityAuIds.Length > 0)
{
queryActions.Add(() =>
{
foreach (var result in IdToAuId(start, end, startEntity, endEntityAuIds))
{
results.Add(result);
}
});
}
if (startEntityAuIds.Length > 0 && endEntity != null)
{
queryActions.Add(() =>
{
foreach (var result in AuIdToId(start, end, startEntityAuIds, endEntity))
{
results.Add(result);
}
});
}
if (startEntityAuIds.Length > 0 && endEntityAuIds.Length > 0)
{
queryActions.Add(() =>
{
foreach (var result in AuIdToAuId(start, end, startEntityAuIds, endEntityAuIds))
{
results.Add(result);
}
});
}
Parallel.Invoke(queryActions.ToArray());
return(results);
}
