private void ApplyPropertyMappings <TDocument>(IList <IClrPropertyMapping <TDocument> > mappings)
where TDocument : class
{
foreach (var mapping in mappings)
{
var e = mapping.Property;
var memberInfoResolver = new MemberInfoResolver(e);
if (memberInfoResolver.Members.Count > 1)
{
throw new ArgumentException($"{nameof(ApplyPropertyMappings)} can only map direct properties");
}
if (memberInfoResolver.Members.Count == 0)
{
throw new ArgumentException($"Expression {e} does contain any member access");
}
var memberInfo = memberInfoResolver.Members[0];
if (_propertyMappings.TryGetValue(memberInfo, out var propertyMapping))
{
var newName = mapping.NewName;
var mappedAs = propertyMapping.Name;
var typeName = typeof(TDocument).Name;
if (mappedAs.IsNullOrEmpty() && newName.IsNullOrEmpty())
{
throw new ArgumentException($"Property mapping '{e}' on type is already ignored");
}
if (mappedAs.IsNullOrEmpty())
{
throw new ArgumentException(
$"Property mapping '{e}' on type {typeName} can not be mapped to '{newName}' it already has an ignore mapping");
}
if (newName.IsNullOrEmpty())
{
throw new ArgumentException(
$"Property mapping '{e}' on type {typeName} can not be ignored it already has a mapping to '{mappedAs}'");
}
throw new ArgumentException(
$"Property mapping '{e}' on type {typeName} can not be mapped to '{newName}' already mapped as '{mappedAs}'");
}
_propertyMappings[memberInfo] = mapping.ToPropertyMapping();
}
}
/// <inheritdoc cref="IConnectionSettingsValues.RouteProperties"/>
private void MapRoutePropertyFor <TDocument>(Expression <Func <TDocument, object> > objectPath)
{
objectPath.ThrowIfNull(nameof(objectPath));
var memberInfo = new MemberInfoResolver(objectPath);
var fieldName = memberInfo.Members.Single().Name;
if (_routeProperties.TryGetValue(typeof(TDocument), out var routePropertyFieldName))
{
if (routePropertyFieldName.Equals(fieldName))
{
return;
}
throw new ArgumentException(
$"Cannot map '{fieldName}' as the route property for type '{typeof(TDocument).Name}': it already has '{_routeProperties[typeof(TDocument)]}' mapped.");
}
_routeProperties.Add(typeof(TDocument), fieldName);
}