| public GetRelationIntervalsManager ( IBaseObject first, IBaseObject second ) : BinaryIntervalsManager | ||
| first | IBaseObject | /// The first. /// |
| second | IBaseObject | /// The second. /// |
| Результат | BinaryIntervalsManager | |
public void GetBinaryIntervalIncompleteChainTest()
{
// A C A _ C C _ A A A C C A
// A _ A _ _ _ _ A A A _ _ A
// _ C _ _ C C _ _ _ _ C C _
var chain = new Chain(13);
chain.Set(elements["A"], 0);
chain.Set(elements["C"], 1);
chain.Set(elements["A"], 2);
chain.Set(elements["C"], 4);
chain.Set(elements["C"], 5);
chain.Set(elements["A"], 7);
chain.Set(elements["A"], 8);
chain.Set(elements["A"], 9);
chain.Set(elements["C"], 10);
chain.Set(elements["C"], 11);
chain.Set(elements["A"], 12);
var intervalManager = chain.GetRelationIntervalsManager(elements["A"], elements["C"]);
Assert.AreEqual(1, intervalManager.GetBinaryInterval(1));
Assert.AreEqual(2, intervalManager.GetBinaryInterval(2));
Assert.AreEqual(-1, intervalManager.GetBinaryInterval(3));
Assert.AreEqual(-1, intervalManager.GetBinaryInterval(4));
Assert.AreEqual(1, intervalManager.GetBinaryInterval(5));
Assert.AreEqual(-1, intervalManager.GetBinaryInterval(6));
Assert.AreEqual(-1, intervalManager.GetBinaryInterval(7));
intervalManager = chain.GetRelationIntervalsManager(elements["C"], elements["A"]);
Assert.AreEqual(1, intervalManager.GetBinaryInterval(1));
Assert.AreEqual(-1, intervalManager.GetBinaryInterval(2));
Assert.AreEqual(2, intervalManager.GetBinaryInterval(3));
Assert.AreEqual(-1, intervalManager.GetBinaryInterval(4));
Assert.AreEqual(1, intervalManager.GetBinaryInterval(5));
Assert.AreEqual(-1, intervalManager.GetBinaryInterval(6));
}
/// <summary>
/// The not frequency characteristic.
/// </summary>
/// <param name="characteristicTypeLinkId">
/// The characteristic type and link id.
/// </param>
/// <param name="sequenceId">
/// The sequence id.
/// </param>
/// <param name="chain">
/// The chain.
/// </param>
/// <param name="calculator">
/// The calculator.
/// </param>
/// <param name="link">
/// The link.
/// </param>
private void NotFrequencyCharacteristic(
int characteristicTypeLinkId,
long sequenceId,
Chain chain,
IBinaryCalculator calculator,
Link link)
{
var newCharacteristics = new List<BinaryCharacteristic>();
var databaseCharacteristics = db.BinaryCharacteristic.Where(b => b.SequenceId == sequenceId
&& b.CharacteristicTypeLinkId == characteristicTypeLinkId)
.ToArray();
int calculatedCount = databaseCharacteristics.Length;
if (calculatedCount < chain.Alphabet.Cardinality * chain.Alphabet.Cardinality)
{
List<long> sequenceElements = DbHelper.GetElementIds(db, sequenceId);
for (int i = 0; i < chain.Alphabet.Cardinality; i++)
{
for (int j = 0; j < chain.Alphabet.Cardinality; j++)
{
long firstElementId = sequenceElements[i];
long secondElementId = sequenceElements[i];
if (!databaseCharacteristics.Any(b => b.FirstElementId == firstElementId && b.SecondElementId == secondElementId))
{
double result = calculator.Calculate(chain.GetRelationIntervalsManager(i + 1, j + 1), link);
newCharacteristics.Add(binaryCharacteristicRepository.CreateBinaryCharacteristic(sequenceId, characteristicTypeLinkId, firstElementId, secondElementId, result));
}
}
}
}
db.BinaryCharacteristic.AddRange(newCharacteristics);
db.SaveChanges();
}
/// <summary>
/// The frequency characteristic.
/// </summary>
/// <param name="characteristicTypeLinkId">
/// The characteristic type and link id.
/// </param>
/// <param name="frequencyCount">
/// The frequency count.
/// </param>
/// <param name="chain">
/// The chain.
/// </param>
/// <param name="sequenceId">
/// The sequence id.
/// </param>
/// <param name="calculator">
/// The calculator.
/// </param>
/// <param name="link">
/// The link.
/// </param>
private void FrequencyCharacteristic(int characteristicTypeLinkId, int frequencyCount, Chain chain, long sequenceId, IBinaryCalculator calculator, Link link)
{
List<long> sequenceElements = DbHelper.GetElementIds(db, sequenceId);
var newCharacteristics = new List<BinaryCharacteristic>();
var databaseCharacteristics = db.BinaryCharacteristic.Where(b => b.SequenceId == sequenceId
&& b.CharacteristicTypeLinkId == characteristicTypeLinkId).ToArray();
// calculating frequencies of elements in alphabet
var frequencies = new List<KeyValuePair<IBaseObject, double>>();
for (int f = 0; f < chain.Alphabet.Cardinality; f++)
{
var probabilityCalculator = new Probability();
var result = probabilityCalculator.Calculate(chain.CongenericChain(f), Link.NotApplied);
frequencies.Add(new KeyValuePair<IBaseObject, double>(chain.Alphabet[f], result));
}
// ordering alphabet by frequencies
SortKeyValuePairList(frequencies);
// calculating relation characteristic only for elements with maximum frequency
for (int i = 0; i < frequencyCount; i++)
{
for (int j = 0; j < frequencyCount; j++)
{
int firstElementNumber = chain.Alphabet.IndexOf(frequencies[i].Key) + 1;
int secondElementNumber = chain.Alphabet.IndexOf(frequencies[j].Key) + 1;
long firstElementId = sequenceElements[firstElementNumber];
long secondElementId = sequenceElements[secondElementNumber];
// searching characteristic in database
if (!databaseCharacteristics.Any(b => b.FirstElementId == firstElementId && b.SecondElementId == secondElementId))
{
double result = calculator.Calculate(chain.GetRelationIntervalsManager(i + 1, j + 1), link);
newCharacteristics.Add(binaryCharacteristicRepository.CreateBinaryCharacteristic(sequenceId, characteristicTypeLinkId, firstElementId, secondElementId, result));
}
}
}
db.BinaryCharacteristic.AddRange(newCharacteristics);
db.SaveChanges();
}