private void SetValue(IPropertyValuesItem item, object newValue)
{
if (DbHelpers.PropertyValuesEqual(item.Value, newValue))
{
return;
}
if (item.Value == null && item.IsComplex)
{
throw Error.DbPropertyValues_NestedPropertyValuesNull((object)item.Name, (object)this._type.Name);
}
if (newValue != null && !item.Type.IsAssignableFrom(newValue.GetType()))
{
throw Error.DbPropertyValues_WrongTypeForAssignment((object)newValue.GetType().Name, (object)item.Name, (object)item.Type.Name, (object)this._type.Name);
}
item.Value = newValue;
}
private bool SetCurrentValueOnClrObject(object value)
{
if (this.Setter == null)
{
return(false);
}
if (this.Getter == null || !DbHelpers.PropertyValuesEqual(value, this.Getter(this.InternalEntityEntry.Entity)))
{
this.Setter(this.InternalEntityEntry.Entity, value);
if (this.EntryMetadata.IsMapped && (this.InternalEntityEntry.State == EntityState.Modified || this.InternalEntityEntry.State == EntityState.Unchanged))
{
this.IsModified = true;
}
}
return(true);
}
/// <summary>
/// Sets the value of the property only if it is different from the current value and is not
/// an invalid attempt to set a complex property.
/// </summary>
private void SetValue(IPropertyValuesItem item, object newValue)
{
// Using KeyValuesEqual here to control setting the property to modified since the deep
// comparison of binary values is more appropriate for all properties when used in an
// N-Tier or concurrency situation.
if (!DbHelpers.PropertyValuesEqual(item.Value, newValue))
{
if (item.Value == null &&
item.IsComplex)
{
throw Error.DbPropertyValues_NestedPropertyValuesNull(item.Name, _type.Name);
}
if (newValue != null &&
!item.Type.IsAssignableFrom(newValue.GetType()))
{
throw Error.DbPropertyValues_WrongTypeForAssignment(
newValue.GetType().Name, item.Name, item.Type.Name, _type.Name);
}
item.Value = newValue;
}
}
public void PropertyValuesEqual_checks_value_equality_for_value_types_and_reference_equality_for_reference_types()
{
Equality_tests(DbHelpers.PropertyValuesEqual);
Assert.False(DbHelpers.PropertyValuesEqual(new ExecutionStrategyKey("foo", "bar"), new ExecutionStrategyKey("foo", "bar")));
}