/// <summary>
/// Gets the index defined on the given property or creates a new one if one is not already defined.
/// </summary>
/// <param name="entityType"> The entity type to get or add the index to. </param>
/// <param name="properties"> The properties to be indexed. </param>
/// <returns> The existing or newly created index. </returns>
public static IMutableIndex GetOrAddIndex(
[NotNull] this IMutableEntityType entityType, [NotNull] IReadOnlyList <IMutableProperty> properties)
{
Check.NotNull(entityType, nameof(entityType));
return(entityType.FindIndex(properties) ?? entityType.AddIndex(properties));
}
/// <summary>
/// Gets the index defined on the given property. Returns null if no index is defined.
/// </summary>
/// <param name="entityType"> The entity type to find the index on. </param>
/// <param name="property"> The property to find the index on. </param>
/// <returns> The index, or null if none is found. </returns>
public static IMutableIndex FindIndex([NotNull] this IMutableEntityType entityType, [NotNull] IProperty property)
{
Check.NotNull(entityType, nameof(entityType));
return(entityType.FindIndex(new[] { property }));
}
public static IMutableIndex?FindIndex([NotNull] this IMutableEntityType entityType, [NotNull] IReadOnlyProperty property)
=> entityType.FindIndex(new[] { property });