/// <summary> Returns true if the original value for the field with the fieldIndex passed in, read from the persistent storage was NULL, false otherwise.
/// Should not be used for testing if the current value is NULL, use <see cref="TestCurrentFieldValueForNull"/> for that.</summary>
/// <param name="fieldIndex">Index of the field to test if that field was NULL in the persistent storage</param>
/// <returns>true if the field with the passed in index was NULL in the persistent storage, false otherwise</returns>
public bool TestOriginalFieldValueForNull(ExpenseFieldIndex fieldIndex)
{
return base.Fields[(int)fieldIndex].IsNull;
}
/// <summary>Creates a new IEntityField instance for usage in the EntityFields object for the ExpenseEntity. Which EntityField is created is specified by fieldIndex</summary>
/// <param name="fieldIndex">The field which IEntityField instance should be created</param>
/// <returns>The IEntityField instance for the field specified in fieldIndex</returns>
public static IEntityField Create(ExpenseFieldIndex fieldIndex)
{
IFieldInfo info = FieldInfoProviderSingleton.GetInstance().GetFieldInfo("ExpenseEntity", (int)fieldIndex);
return new EntityField(info, PersistenceInfoProviderSingleton.GetInstance().GetFieldPersistenceInfo(info.ContainingObjectName, info.Name));
}
/// <summary>Returns true if the current value for the field with the fieldIndex passed in represents null/not defined, false otherwise.
/// Should not be used for testing if the original value (read from the db) is NULL</summary>
/// <param name="fieldIndex">Index of the field to test if its currentvalue is null/undefined</param>
/// <returns>true if the field's value isn't defined yet, false otherwise</returns>
public bool TestCurrentFieldValueForNull(ExpenseFieldIndex fieldIndex)
{
return base.CheckIfCurrentFieldValueIsNull((int)fieldIndex);
}
