private void testPriorityQueue()
{
StringBuilder log = new StringBuilder();
Random rn = new Random(123);
PriotiryQueue <int> pq = new PriotiryQueue <int>(invertida: false);
PriotiryQueue <int> pqInvertida = new PriotiryQueue <int>(invertida: true);
for (int i = 0; i < 10; i++)
{
int r = rn.Next() % 100;
log.Append(r.ToString());
log.Append(",");
pq.push(r);
pqInvertida.push(r);
}
log.Append("\r\n");
while (!pq.empty)
{
log.Append(pq.top().ToString());
pq.pop();
log.Append(",");
}
log.Append("\r\n");
while (!pqInvertida.empty)
{
log.Append(pqInvertida.top().ToString());
pqInvertida.pop();
log.Append(",");
}
log.Append("\r\n");
txtLog.AppendText(log.ToString());
}
public void guardaSimilitudes(int[] usuarios, double[,] similitud)
{
int top = 20;//guarda los mejores top
double similitudMinima = 0.5;
limpiaUsuarioRecomendacion();
for (int i = 0; i < usuarios.Length; i++)
{
PriotiryQueue <CorrelacionUsuario> pq = new PriotiryQueue <CorrelacionUsuario>(invertida: true);
for (int j = 0; j < usuarios.Length; j++)
{
if (i != j && similitud[i, j] >= similitudMinima)
{
CorrelacionUsuario nuevo = new CorrelacionUsuario();
nuevo.u1 = usuarios[i];
nuevo.u2 = usuarios[j];
nuevo.correlacion = similitud[i, j];
pq.push(nuevo);
if (pq.count > top)
{
pq.pop();
}
}
}
StringBuilder command = new StringBuilder();
command.Append("INSERT INTO SimulacionKarelotitlan.DBO.UsuarioRecomendacion (u1,u2,correlacion) VALUES ");
int cout = 0;
while (!pq.empty)
{
var elem = pq.pop();
if (cout != 0)
{
command.Append(",");
}
command.Append("(");
command.Append(elem.u1.ToString());
command.Append(",");
command.Append(elem.u2.ToString());
command.Append(",");
command.Append(elem.correlacion.ToString());
command.Append(")");
cout++;
}
command.Append(";");
if (cout > 0)
{
SqlConnection sqlConnection = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
cmd.CommandText = command.ToString();
cmd.Connection = sqlConnection;
sqlConnection.Open();
cmd.ExecuteNonQuery();
sqlConnection.Close();
}
}
}
public void guardaAnalisis(int[] usuarios, int[,] inversiones, int[,] iguales, int[,] complemento, double[,] scroe)
{
int top = 10; // guarda los mejores top
limpiaInversion();
for (int i = 0; i < usuarios.Length; i++)
{
PriotiryQueue <AnalisisUsuarioInversion> pq = new PriotiryQueue <AnalisisUsuarioInversion>(invertida: true);
for (int j = 0; j < usuarios.Length; j++)
{
AnalisisUsuarioInversion nuevo = new AnalisisUsuarioInversion();
nuevo.u1 = usuarios[i];
nuevo.u2 = usuarios[j];
nuevo.inversiones = inversiones[i, j];
nuevo.iguales = iguales[i, j];
nuevo.complemento = complemento[i, j];
nuevo.score = scroe[i, j];
pq.push(nuevo);
if (pq.count > top)
{
pq.pop();
}
}
StringBuilder command = new StringBuilder();
command.Append("INSERT INTO SimulacionKarelotitlan.DBO.Inversion (u1,u2,inversiones,iguales,complemento) VALUES ");
int count = 0;
while (!pq.empty)
{
var elem = pq.pop();
if (count != 0)
{
command.Append(",");
}
command.Append("(");
command.Append(elem.u1.ToString());
command.Append(",");
command.Append(elem.u2.ToString());
command.Append(",");
command.Append(elem.inversiones.ToString());
command.Append(",");
command.Append(elem.iguales.ToString());
command.Append(",");
command.Append(elem.complemento.ToString());
command.Append(")");
count++;
}
command.Append(";");
SqlConnection sqlConnection = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
cmd.CommandText = command.ToString();
cmd.Connection = sqlConnection;
sqlConnection.Open();
cmd.ExecuteNonQuery();
sqlConnection.Close();
/* Comentando la version que guarda todos los resultados.
* int salto = 100;
* for (int jtemp = 0; jtemp < usuarios.Length; jtemp += salto)
* {
* StringBuilder command = new StringBuilder();
* command.Append("INSERT INTO SimulacionKarelotitlan.DBO.Inversion (u1,u2,inversiones,iguales,complemento) VALUES ");
*
* for (int j = jtemp;j<jtemp+salto && j < usuarios.Length; j++)
* {
* if ((j%salto) != 0)
* {
* command.Append(",");
* }
* command.Append("(");
* command.Append(usuarios[i].ToString());
* command.Append(",");
* command.Append(usuarios[j].ToString());
* command.Append(",");
* command.Append(inversiones[i, j].ToString());
* command.Append(",");
* command.Append(iguales[i, j].ToString());
* command.Append(",");
* command.Append(complemento[i, j].ToString());
* command.Append(")");
* }
*
* command.Append(";");
* SqlConnection sqlConnection = new SqlConnection(connectionString);
* SqlCommand cmd = new SqlCommand();
* cmd.CommandText = command.ToString();
* cmd.Connection = sqlConnection;
* sqlConnection.Open();
* cmd.ExecuteNonQuery();
* sqlConnection.Close();
* }*/
}
}
