/// <summary>
/// Copies the state of all configuration properties defined on the source component to the target component.
/// </summary>
/// <param name="source">The <see cref="GeneticComponent"/> from which to copy the configuration state.</param>
/// <param name="target">The <see cref="GeneticComponent"/> to which the state is to be copied.</param>
public static void CopyConfigurationStateTo(this GeneticComponent source, GeneticComponent target)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
BindingFlags binding = BindingFlags.Public | BindingFlags.Instance | BindingFlags.FlattenHierarchy;
IEnumerable <PropertyInfo> properties = source.GetType().GetProperties(binding)
.Where(p => p.GetCustomAttribute <ConfigurationPropertyAttribute>() != null);
foreach (PropertyInfo property in properties)
{
if (!property.CanRead || !property.CanWrite)
{
throw new InvalidOperationException(
StringUtil.GetFormattedString(Resources.ErrorMsg_ConfigurationPropertyNoGetterNoSetter, source.GetType(), property.Name, typeof(ConfigurationPropertyAttribute)));
}
property.SetValue(target, property.GetValue(source));
}
}
/// <summary>
/// Validates the component.
/// </summary>
/// <param name="component">The <see cref="GeneticComponent"/> to validate.</param>
private void Validate(GeneticComponent component)
{
component.Validate();
Type currentType = component.GetType();
while (currentType != typeof(GeneticComponent))
{
IEnumerable <PropertyInfo> properties = currentType
.GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo propertyInfo in properties)
{
// Check that the property is valid using the validators described by external components.
if (externalValidationMapping.TryGetValue(propertyInfo, out List <PropertyValidator> externalValidators))
{
object propValue = propertyInfo.GetValue(component, null);
foreach (PropertyValidator validator in externalValidators)
{
validator.EnsureIsValid(component.GetType().Name + Type.Delimiter + propertyInfo.Name, propValue, component);
}
}
}
currentType = currentType.BaseType;
}
}
/// <summary>
/// Creates a new version of the component, copies the configuration state, and initializes it.
/// </summary>
/// <param name="component">The component from which to create a new component and the source of the configuration state to be copied.</param>
/// <returns>A new version of the component.</returns>
public static GeneticComponent CreateNewAndInitialize(this GeneticComponent component)
{
if (component == null)
{
throw new ArgumentNullException(nameof(component));
}
GeneticComponent newComponent = component.CreateNew();
if (newComponent == null)
{
throw new InvalidOperationException(
StringUtil.GetFormattedString(Resources.ErrorMsg_CreateNewComponentNull, component.GetType(), nameof(component.CreateNew)));
}
if (newComponent.GetType() != component.GetType())
{
throw new InvalidOperationException(
StringUtil.GetFormattedString(Resources.ErrorMsg_CreateNewComponentWrongType, component.GetType(), nameof(component.CreateNew), newComponent.GetType()));
}
component.CopyConfigurationStateTo(newComponent);
if (newComponent is GeneticComponentWithAlgorithm newComponentWithAlg)
{
((GeneticComponentWithAlgorithm)component).AssertIsInitialized();
newComponentWithAlg.Initialize(((GeneticComponentWithAlgorithm)component).Algorithm !);
}
return(newComponent);
}
/// <summary>
/// Compiles the mapping of component configuration properties to <see cref="PropertyValidator"/> objects as described by the specified component.
/// </summary>
/// <param name="component">The component to check whether it has defined validators for a configuration property.</param>
private void CompileExternalValidatorMapping(GeneticComponent component)
{
if (component == null)
{
return;
}
IExternalConfigurationPropertyValidatorAttribute[] attribs = (IExternalConfigurationPropertyValidatorAttribute[])component.GetType().GetCustomAttributes(typeof(IExternalConfigurationPropertyValidatorAttribute), true);
foreach (IExternalConfigurationPropertyValidatorAttribute attrib in attribs)
{
PropertyInfo prop = ExternalValidatorAttributeHelper.GetTargetPropertyInfo(attrib.TargetComponentType, attrib.TargetPropertyName);
if (!this.externalValidationMapping.TryGetValue(prop, out List <PropertyValidator> validators))
{
validators = new List <PropertyValidator>();
this.externalValidationMapping.Add(prop, validators);
}
validators.Add(attrib.Validator);
}
}