/// <summary>Returns the EPM facet or null if none is found.</summary>
/// <param name="facets">The facets to look into.</param>
/// <returns>null - no EPM or the EPM type.</returns>
public static EntityPropertyMappingType?EntityPropertyMapping(this NodeFacets facets)
{
NodeFacet facet = facets.FirstOrDefault(f => f.Name == EntityPropertyMappingFacetName);
if (facet != null)
{
return((EntityPropertyMappingType)(int)(facet.Value.ClrValue));
}
else
{
return(null);
}
}
/// <summary>Returnst the page size of Server Driven Paging facet or null if none is found.</summary>
/// <param name="facets">The facets to look into.</param>
/// <returns>The size of the page or null.</returns>
public static int?ServerDrivenPaging(this NodeFacets facets)
{
NodeFacet facet = facets.FirstOrDefault(f => f.Name == ServerDrivenPagingFacetName);
return(facet == null ? null : (int?)(facet.Value.ClrValue));
}
/// <summary>Returns the value of "ExistingValue" node facet. Use to specify a value of a property which is defined in at least one entity.</summary>
/// <param name="facets">The facets to get the value from.</param>
/// <returns>A <see cref="NodeValue"/> with the value of the property.</returns>
public static NodeValue ExistingValue(this NodeFacets facets)
{
NodeFacet facet = facets.FirstOrDefault(f => f.Name == ExistingValueFacetName);
return(facet == null ? null : facet.Value);
}