/// <summary>
/// 设置值生成策略
/// </summary>
/// <param name="value">值生成策略</param>
/// <returns></returns>
protected virtual bool SetValueGenerationStrategy(OracleValueGenerationStrategy?value)
{
if (value.HasValue)
{
Type clrType = Property.ClrType;
if (value == OracleValueGenerationStrategy.IdentityColumn && !IsCompatibleIdentityColumn(Property))
{
if (ShouldThrowOnInvalidConfiguration)
{
throw new ArgumentException(OracleStrings.IdentityBadType(Property.Name, Property.DeclaringEntityType.DisplayName(), clrType.ShortDisplayName()));
}
return(false);
}
if (value == OracleValueGenerationStrategy.SequenceHiLo && !IsCompatibleSequenceHiLo(Property))
{
if (ShouldThrowOnInvalidConfiguration)
{
throw new ArgumentException(OracleStrings.SequenceBadType(Property.Name, Property.DeclaringEntityType.DisplayName(), clrType.ShortDisplayName()));
}
return(false);
}
}
if (!CanSetValueGenerationStrategy(value))
{
return(false);
}
if (!ShouldThrowOnConflict && ValueGenerationStrategy != value && value.HasValue)
{
ClearAllServerGeneratedValues();
}
return(Annotations.SetAnnotation(OracleAnnotationNames.ValueGenerationStrategy, value));
}
public void Throws_setting_sequence_generation_for_invalid_type()
{
var modelBuilder = GetModelBuilder();
var property = modelBuilder
.Entity <Customer>()
.Property(e => e.Name)
.Metadata;
Assert.Equal(
OracleStrings.SequenceBadType("Name", nameof(Customer), "string"),
Assert.Throws <ArgumentException>(
() => property.Oracle().ValueGenerationStrategy = OracleValueGenerationStrategy.SequenceHiLo).Message);
}
public void Throws_setting_sequence_generation_for_invalid_type_only_with_explicit()
{
var propertyBuilder = CreateBuilder()
.Entity(typeof(Splot), ConfigurationSource.Convention)
.Property("Name", typeof(string), ConfigurationSource.Convention);
Assert.False(propertyBuilder.Oracle(ConfigurationSource.Convention)
.ValueGenerationStrategy(OracleValueGenerationStrategy.SequenceHiLo));
Assert.Equal(
OracleStrings.SequenceBadType("Name", nameof(Splot), "string"),
Assert.Throws <ArgumentException>(
() => propertyBuilder.Oracle(ConfigurationSource.Explicit).ValueGenerationStrategy(OracleValueGenerationStrategy.SequenceHiLo)).Message);
}
