// <summary>
// Initializes a new instance of the <see cref="ClonedPropertyValues" /> class by copying
// values from the given dictionary.
// </summary>
// <param name="original"> The dictionary to clone. </param>
// <param name="valuesRecord"> If non-null, then the values for the new dictionary are taken from this record rather than from the original dictionary. </param>
internal ClonedPropertyValues(InternalPropertyValues original, DbDataRecord valuesRecord = null)
: base(original.InternalContext, original.ObjectType, original.IsEntityValues)
{
_propertyNames = original.PropertyNames;
_propertyValues = new Dictionary <string, ClonedPropertyValuesItem>(_propertyNames.Count);
foreach (var propertyName in _propertyNames)
{
var item = original.GetItem(propertyName);
var value = item.Value;
var asValues = value as InternalPropertyValues;
if (asValues != null)
{
var nestedValuesRecord = valuesRecord == null ? null : (DbDataRecord)valuesRecord[propertyName];
value = new ClonedPropertyValues(asValues, nestedValuesRecord);
}
else if (valuesRecord != null)
{
value = valuesRecord[propertyName];
if (value == DBNull.Value)
{
value = null;
}
}
_propertyValues[propertyName] = new ClonedPropertyValuesItem(
propertyName, value, item.Type, item.IsComplex);
}
}
/// <summary>
/// Initializes a new instance of the <see cref = "ClonedPropertyValues" /> class by copying
/// values from the given dictionary.
/// </summary>
/// <param name = "original">The dictionary to clone.</param>
/// <param name = "valuesRecord">If non-null, then the values for the new dictionary are taken from this record rather than from the original dictionary.</param>
internal ClonedPropertyValues(InternalPropertyValues original, DbDataRecord valuesRecord = null)
: base(original.InternalContext, original.ObjectType, original.IsEntityValues)
{
_propertyNames = original.PropertyNames;
_propertyValues = new Dictionary<string, ClonedPropertyValuesItem>(_propertyNames.Count);
foreach (var propertyName in _propertyNames)
{
var item = original.GetItem(propertyName);
var value = item.Value;
var asValues = value as InternalPropertyValues;
if (asValues != null)
{
var nestedValuesRecord = valuesRecord == null ? null : (DbDataRecord)valuesRecord[propertyName];
value = new ClonedPropertyValues(asValues, nestedValuesRecord);
}
else if (valuesRecord != null)
{
value = valuesRecord[propertyName];
if (value == DBNull.Value)
{
value = null;
}
}
_propertyValues[propertyName] = new ClonedPropertyValuesItem(
propertyName, value, item.Type, item.IsComplex);
}
}