/// <summary>
/// Initializes a new instance of the <see cref="UnitSystemDependencies"/> class.
/// </summary>
/// <param name="unitRegistry">The unit registry.</param>
/// <param name="lexicalAnalyzer">The lexical analyzer.</param>
/// <param name="expressionParser">The expression parser.</param>
/// <param name="quantityParser">The quantity parser.</param>
/// <param name="unitFactory">The unit factory.</param>
/// <param name="quantityOperations">The quantity operations.</param>
public UnitSystemDependencies(
UnitRegistry unitRegistry,
ILexicalAnalyzer lexicalAnalyzer,
IExpressionParser expressionParser,
IQuantityParser quantityParser,
IUnitFactory unitFactory,
IQuantityOperations quantityOperations)
{
this.UnitRegistry = unitRegistry;
this.LexicalAnalyzer = lexicalAnalyzer;
this.ExpressionParser = expressionParser;
this.QuantityParser = quantityParser;
this.UnitFactory = unitFactory;
this.QuantityOperations = quantityOperations;
}
/// <summary>
/// Initializes the unit system.
/// </summary>
/// <param name="unitSystemDependencyFactory">The unit system dependency factory.</param>
/// <param name="registerUnitAction">The register unit action.</param>
public UnitSystemDependencies InitializeUnitSystem(
IUnitSystemDependencyFactory unitSystemDependencyFactory,
Action<IUnitRegistrar> registerUnitAction)
{
this.LockedAction(
() =>
{
if (!this.isInitialized)
{
unitSystemDependencyFactory = unitSystemDependencyFactory
?? new UnitSystemDependencyFactory(
new ExpressionToFlatRepresentationConverter());
this.unitRegistry = unitSystemDependencyFactory.CreateUnitRegistry();
registerUnitAction?.Invoke(this.unitRegistry);
this.expressionParser = unitSystemDependencyFactory.CreateParser(this.unitRegistry);
this.lexicalAnalyzer =
unitSystemDependencyFactory.CreateLexicalAnalyzer(TokenMatching.CompositeUnit);
this.unitFactory = unitSystemDependencyFactory.CreateUnitFactory(this.unitRegistry);
this.quantityParser = unitSystemDependencyFactory.CreateParser(
this.expressionParser,
this.unitFactory);
this.quantityOperations =
unitSystemDependencyFactory.CreateQuantityOperations(this.unitFactory);
this.Dependencies = new UnitSystemDependencies(
this.unitRegistry,
this.lexicalAnalyzer,
this.expressionParser,
this.quantityParser,
this.unitFactory,
this.quantityOperations);
this.isInitialized = true;
}
});
return this.Dependencies;
}