/// <summary>
/// Builds the DMN definition as prepared in <see cref="DmnDefinitionBuilder"/> and returns <see cref="DmnDefinition"/> that can be
/// executed within <see cref="execution.context.DmnExecutionContext"/>
/// </summary>
/// <returns><see cref="DmnDefinition"/> that can be executed within <see cref="execution.context.DmnExecutionContext"/></returns>
/// <exception cref="DmnBuilderException">Throws <see cref="DmnBuilderException"/> when the definition contains no decision</exception>
/// <exception cref="DmnBuilderException">Throws <see cref="DmnBuilderException"/> when the definition has already been built</exception>
public DmnDefinition Build()
{
if (IsBuilt)
{
throw Logger.Error <DmnBuilderException>("Definition is already built");
}
IsBuilt = true;
if (Decisions.Decisions.Count == 0)
{
throw Logger.Error <DmnBuilderException>($"No decision in DMN definition");
}
return(new DmnDefinition(Variables.Build(), Decisions.Build()));
}