/// <summary>
/// Gets the grain properties for the provided type.
/// </summary>
public bool TryGetGrainProperties(GrainType grainType, out GrainProperties properties)
{
var clusterManifest = _clusterManifestProvider.Current;
if (clusterManifest is null)
{
properties = default;
return(false);
}
GrainType lookupKey;
if (GenericGrainType.TryParse(grainType, out var generic))
{
lookupKey = generic.GetUnconstructedGrainType().GrainType;
}
else
{
lookupKey = grainType;
}
foreach (var manifest in clusterManifest.AllGrainManifests)
{
if (manifest.Grains.TryGetValue(lookupKey, out properties))
{
return(true);
}
}
properties = default;
return(false);
}
private static ImmutableDictionary <GrainType, GrainProperties> CreateGrainManifest(
IEnumerable <IGrainPropertiesProvider> grainMetadataProviders,
IApplicationPartManager applicationPartManager,
GrainTypeResolver grainTypeProvider)
{
var feature = applicationPartManager.CreateAndPopulateFeature <GrainClassFeature>();
var builder = ImmutableDictionary.CreateBuilder <GrainType, GrainProperties>();
foreach (var value in feature.Classes)
{
var grainClass = value.ClassType;
var grainType = grainTypeProvider.GetGrainType(grainClass);
var properties = new Dictionary <string, string>();
foreach (var provider in grainMetadataProviders)
{
provider.Populate(grainClass, grainType, properties);
}
var result = new GrainProperties(properties.ToImmutableDictionary());
if (builder.ContainsKey(grainType))
{
throw new InvalidOperationException($"An entry with the key {grainType} is already present."
+ $"\nExisting: {builder[grainType].ToDetailedString()}\nTrying to add: {result.ToDetailedString()}"
+ "\nConsider using the [GrainType(\"name\")] attribute to give these classes unique names.");
}
builder.Add(grainType, result);
}
return(builder.ToImmutable());
}
private static (ImmutableDictionary <GrainType, GrainProperties>, ImmutableDictionary <GrainType, Type>) CreateGrainManifest(
IEnumerable <IGrainPropertiesProvider> grainMetadataProviders,
IOptions <GrainTypeOptions> grainTypeOptions,
GrainTypeResolver grainTypeProvider)
{
var propertiesMap = ImmutableDictionary.CreateBuilder <GrainType, GrainProperties>();
var typeMap = ImmutableDictionary.CreateBuilder <GrainType, Type>();
foreach (var grainClass in grainTypeOptions.Value.Classes)
{
var grainType = grainTypeProvider.GetGrainType(grainClass);
var properties = new Dictionary <string, string>();
foreach (var provider in grainMetadataProviders)
{
provider.Populate(grainClass, grainType, properties);
}
var result = new GrainProperties(properties.ToImmutableDictionary());
if (propertiesMap.ContainsKey(grainType))
{
throw new InvalidOperationException($"An entry with the key {grainType} is already present."
+ $"\nExisting: {propertiesMap[grainType].ToDetailedString()}\nTrying to add: {result.ToDetailedString()}"
+ "\nConsider using the [GrainType(\"name\")] attribute to give these classes unique names.");
}
propertiesMap.Add(grainType, result);
typeMap.Add(grainType, grainClass);
}
return(propertiesMap.ToImmutable(), typeMap.ToImmutable());
}
/// <summary>
/// Gets the grain properties for the provided type.
/// </summary>
public GrainProperties GetGrainProperties(GrainType grainType)
{
if (!TryGetGrainProperties(grainType, out var result))
{
//ThrowNotFoundException(grainType);
result = new GrainProperties(ImmutableDictionary <string, string> .Empty);
}
return(result);
}
/// <summary>
/// Gets the grain properties for the provided type.
/// </summary>
public bool TryGetGrainProperties(GrainType grainType, out GrainProperties properties)
{
var clusterManifest = _clusterManifestProvider.Current;
foreach (var entry in clusterManifest.Silos)
{
var manifest = entry.Value;
if (manifest.Grains.TryGetValue(grainType, out properties))
{
return(true);
}
}
properties = default;
return(false);
}