/// <inheritdoc />
public string GetColumnName(PropertySchema property)
{
var columnAttribute = property.FindAttribute <ColumnAttribute>();
return(columnAttribute != null
? columnAttribute.Name
: property.Name);
}
private int?GetMaxLength(PropertySchema property)
{
if (property.EffectiveType == typeof(char))
{
return(1);
}
return(property.FindAttribute <MaxLengthAttribute>()?.Length);
}
private ColumnSchema MakeColumnSchema(IDialect dialect, PropertySchema property, ColumnUsage columnUsage)
{
var propertyName = property.Name;
return(new ColumnSchema(
dialect.MakeColumnName(this.columnNameFactory.GetColumnName(property)),
dialect.MakeColumnName(propertyName),
propertyName,
columnUsage,
this.GetDbType(property)));
}
private DbTypeEx GetDbType(PropertySchema property)
{
if (property.EffectiveType.GetTypeInfo().IsEnum)
{
return(new DbTypeEx(DbType.Int32, property.IsNullable, null));
}
DbType dbType;
if (TypeMapping.TryGetValue(property.EffectiveType, out dbType))
{
var allowNull = property.IsNullable || (!property.Type.GetTypeInfo().IsValueType&& property.FindAttribute <RequiredAttribute>() == null);
var maxLength = this.GetMaxLength(property);
return(new DbTypeEx(dbType, allowNull, maxLength));
}
throw new NotSupportedException("Unknown property type: " + property.EffectiveType);
}
private static ColumnUsage GetColumnUsage(bool explicitKeyDefined, PropertySchema property)
{
var isPrimaryKey = explicitKeyDefined
? property.FindAttribute <KeyAttribute>() != null
: string.Equals(property.Name, "Id", StringComparison.OrdinalIgnoreCase);
if (!property.PropertyInfo.CanWrite)
{
return(isPrimaryKey
? ColumnUsage.ComputedPrimaryKey
: ColumnUsage.ComputedColumn);
}
var generatedAttribute = property.FindAttribute <DatabaseGeneratedAttribute>();
return(isPrimaryKey
? GetPrimaryKeyUsage(generatedAttribute)
: GetColumnUsage(generatedAttribute));
}
