/// <summary>
/// Sets the default character set to use for the model/database.
/// </summary>
/// <param name="modelBuilder">The model builder.</param>
/// <param name="charSet">The name of the character set to use.</param>
/// <param name="delegationModes">
/// Finely controls where to recursively apply the character set and where not (including this model/database).
/// Implicitly uses <see cref="DelegationModes.ApplyToAll"/> if set to <see langword="null"/>.
/// </param>
/// <param name="fromDataAnnotation"> Indicates whether the configuration was specified using a data annotation. </param>
/// <returns>
/// The same builder instance if the configuration was applied,
/// <see langword="null" /> otherwise.
/// </returns>
public static IConventionModelBuilder HasCharSet(
[NotNull] this IConventionModelBuilder modelBuilder,
[CanBeNull] string charSet,
DelegationModes?delegationModes = null,
bool fromDataAnnotation = false)
{
Check.NotNull(modelBuilder, nameof(modelBuilder));
Check.NullButNotEmpty(charSet, nameof(charSet));
Check.NullOrEnumValue(delegationModes, nameof(delegationModes));
if (modelBuilder.CanSetCharSet(charSet, fromDataAnnotation) &&
modelBuilder.CanSetCharSetDelegation(delegationModes, fromDataAnnotation))
{
modelBuilder.Metadata.SetCharSet(charSet, fromDataAnnotation);
modelBuilder.Metadata.SetCharSetDelegation(delegationModes, fromDataAnnotation);
return(modelBuilder);
}
return(null);
}