/// <summary>
/// Gets the or create builder.
/// </summary>
/// <param name="builder">The builder.</param>
/// <param name="startupInstance">The startup instance.</param>
/// <param name="environment">The environment.</param>
/// <returns>RocketFunctionHostBuilder.</returns>
internal static RocketFunctionHostBuilder GetOrCreateBuilder(IWebJobsBuilder builder, object startupInstance, IRocketEnvironment environment)
{
if (!Builders.TryGetValue(builder, out var conventionalBuilder))
{
var diagnosticSource = new DiagnosticListener("Rocket.Surgery.Hosting");
var functionsAssembly = startupInstance.GetType().Assembly;
var location = Path.GetDirectoryName(functionsAssembly.Location);
DependencyContext dependencyContext = null;
while (dependencyContext == null && !string.IsNullOrEmpty(location))
{
var depsFilePath = Path.Combine(location, functionsAssembly.GetName().Name + ".deps.json");
if (File.Exists(depsFilePath))
{
using (var stream = File.Open(depsFilePath, FileMode.Open, FileAccess.Read))
{
dependencyContext = new DependencyContextJsonReader().Read(stream);
break;
}
}
location = Path.GetDirectoryName(location);
}
var logger = new DiagnosticLogger(diagnosticSource);
var assemblyCandidateFinder = new DependencyContextAssemblyCandidateFinder(dependencyContext, logger);
var assemblyProvider = new DependencyContextAssemblyProvider(dependencyContext, logger);
var properties = new ServiceProviderDictionary();
var scanner = new SimpleConventionScanner(assemblyCandidateFinder, properties, logger);
conventionalBuilder = new RocketFunctionHostBuilder(builder, functionsAssembly, startupInstance, environment, scanner, assemblyCandidateFinder, assemblyProvider, diagnosticSource, properties);
Builders.Add(builder, conventionalBuilder);
}
return(conventionalBuilder);
}
/// <summary>
/// Swaps the specified builder.
/// </summary>
/// <param name="builder">The builder.</param>
/// <param name="newRocketFunctionBuilder">The new rocket function builder.</param>
/// <returns>RocketFunctionHostBuilder.</returns>
internal static RocketFunctionHostBuilder Swap(
IRocketFunctionHostBuilder builder,
RocketFunctionHostBuilder newRocketFunctionBuilder
)
{
Builders.Remove(builder.Builder);
Builders.Add(builder.Builder, newRocketFunctionBuilder);
return(newRocketFunctionBuilder);
}