/// <summary>
/// Takes a GIS model and a file and writes the model to that file.
/// </summary>
/// <param name="model">
/// The GisModel which is to be persisted.
/// </param>
/// <param name="fileName">
/// The name of the file in which the model is to be persisted.
/// </param>
public void Persist(GisModel model, string fileName)
{
Initialize(model);
PatternedPredicate[] predicates = GetPredicates();
if ( File.Exists(fileName))
{
File.Delete(fileName);
}
using (mDataConnection = new SQLiteConnection("Data Source=" + fileName + ";New=True;Compress=False;Synchronous=Off;UTF8Encoding=True;Version=3"))
{
mDataConnection.Open();
mDataCommand = mDataConnection.CreateCommand();
CreateDataStructures();
using (mDataTransaction = mDataConnection.BeginTransaction())
{
mDataCommand.Transaction = mDataTransaction;
CreateModel(model.CorrectionConstant, model.CorrectionParameter);
InsertOutcomes(model.GetOutcomeNames());
InsertPredicates(predicates);
InsertPredicateParameters(model.GetOutcomePatterns(), predicates);
mDataTransaction.Commit();
}
mDataConnection.Close();
}
}
/// <summary>
/// Takes a GIS model and a file and writes the model to that file.
/// </summary>
/// <param name="model">
/// The GisModel which is to be persisted.
/// </param>
/// <param name="fileName">
/// The name of the file in which the model is to be persisted.
/// </param>
public void Persist(GisModel model, string fileName)
{
Initialize(model);
PatternedPredicate[] predicates = GetPredicates();
if (File.Exists(fileName))
{
File.Delete(fileName);
}
using (mDataConnection = new SqliteConnection("Data Source=" + fileName + ";New=True;Compress=False;Synchronous=Off;UTF8Encoding=True;Version=3"))
{
mDataConnection.Open();
mDataCommand = mDataConnection.CreateCommand();
CreateDataStructures();
using (mDataTransaction = mDataConnection.BeginTransaction())
{
mDataCommand.Transaction = mDataTransaction;
CreateModel(model.CorrectionConstant, model.CorrectionParameter);
InsertOutcomes(model.GetOutcomeNames());
InsertPredicates(predicates);
InsertPredicateParameters(model.GetOutcomePatterns(), predicates);
mDataTransaction.Commit();
}
mDataConnection.Close();
}
}
/// <summary>
/// Writes the predicate data to the file in a more efficient format to that implemented by
/// GisModelWriter.
/// </summary>
/// <param name="model">
/// The GIS model containing the predicate data to be persisted.
/// </param>
protected override void WritePredicates(GisModel model)
{
int[][] outcomePatterns = model.GetOutcomePatterns();
PatternedPredicate[] predicates = GetPredicates();
//write the number of outcome patterns
WriteInt32(outcomePatterns.Length);
//write the number of predicates
WriteInt32(predicates.Length);
int currentPredicate = 0;
for (int currentOutcomePattern = 0; currentOutcomePattern < outcomePatterns.Length; currentOutcomePattern++)
{
//write how many outcomes in this pattern
WriteInt32(outcomePatterns[currentOutcomePattern].Length);
//write the outcomes in this pattern (the first value contains the number of predicates in the pattern
//rather than an outcome)
for (int currentOutcome = 0; currentOutcome < outcomePatterns[currentOutcomePattern].Length; currentOutcome++)
{
WriteInt32(outcomePatterns[currentOutcomePattern][currentOutcome]);
}
//write predicates for this pattern
while (currentPredicate < predicates.Length && predicates[currentPredicate].OutcomePattern == currentOutcomePattern)
{
WriteString(predicates[currentPredicate].Name);
for (int currentParameter = 0; currentParameter < predicates[currentPredicate].ParameterCount; currentParameter++)
{
WriteDouble(predicates[currentPredicate].GetParameter(currentParameter));
}
currentPredicate++;
}
}
}
/// <summary>
/// Writes the predicate data to the file in a more efficient format to that implemented by
/// GisModelWriter.
/// </summary>
/// <param name="model">
/// The GIS model containing the predicate data to be persisted.
/// </param>
protected override void WritePredicates(GisModel model)
{
int[][] outcomePatterns = model.GetOutcomePatterns();
PatternedPredicate[] predicates = GetPredicates();
//write the number of outcome patterns
WriteInt32(outcomePatterns.Length);
//write the number of predicates
WriteInt32(predicates.Length);
int currentPredicate = 0;
for (int currentOutcomePattern = 0; currentOutcomePattern < outcomePatterns.Length; currentOutcomePattern++)
{
//write how many outcomes in this pattern
WriteInt32(outcomePatterns[currentOutcomePattern].Length);
//write the outcomes in this pattern (the first value contains the number of predicates in the pattern
//rather than an outcome)
for (int currentOutcome = 0; currentOutcome < outcomePatterns[currentOutcomePattern].Length; currentOutcome++)
{
WriteInt32(outcomePatterns[currentOutcomePattern][currentOutcome]);
}
//write predicates for this pattern
while (currentPredicate < predicates.Length && predicates[currentPredicate].OutcomePattern == currentOutcomePattern)
{
WriteString(predicates[currentPredicate].Name);
for (int currentParameter = 0; currentParameter < predicates[currentPredicate].ParameterCount; currentParameter++)
{
WriteDouble(predicates[currentPredicate].GetParameter(currentParameter));
}
currentPredicate++;
}
}
}
/// <summary>
/// Writes the predicate information to the model file.
/// </summary>
/// <param name="model">The GIS model to write the data from.</param>
protected virtual void WritePredicates(GisModel model)
{
WriteOutcomePatterns(model.GetOutcomePatterns());
WritePredicateNames();
WriteParameters();
}