/// <summary>
/// Builds a tree representing the dependencies between items of market data and returns the root node.
/// </summary>
/// <param name="requirements"> IDs of the market data that must be provided </param>
/// <param name="suppliedData"> data supplied by the user </param>
/// <param name="marketDataConfig"> configuration specifying how market data values should be built </param>
/// <param name="functions"> functions for market data, keyed by the type of market data ID they handle </param>
/// <returns> the root node of the market data dependency tree </returns>
internal static MarketDataNode buildDependencyTree <T1>(MarketDataRequirements requirements, ScenarioMarketData suppliedData, MarketDataConfig marketDataConfig, IDictionary <T1> functions)
{
DependencyTreeBuilder treeBuilder = DependencyTreeBuilder.of(suppliedData, requirements, marketDataConfig, functions);
return(MarketDataNode.root(treeBuilder.dependencyNodes()));
}
//-------------------------------------------------------------------------
private static MarketDataNode rootNode(params MarketDataNode[] children)
{
return(MarketDataNode.root(Arrays.asList(children)));
}