private ClassDeclarationSyntax GenerateReadReplicaGrain(ClassDeclarationSyntax grainClass, ITypeSymbol swmrInterface)
{
string readReplicaGrainName = SwmrUtils.GetReadReplicaGrainName(grainClass.Identifier.Text);
string readReplicaInterfaceName = SwmrUtils.GetReadReplicaInterfaceName(swmrInterface.Name);
ClassDeclarationSyntax readReplicaGrain = GenerateClassSqueleton(readReplicaGrainName).WithBaseList(RoslynUtils.BaseList(new[] { "Grain", readReplicaInterfaceName }));
string grainStateTypeName = FindGrainStateTypeName(grainClass);
readReplicaGrain = readReplicaGrain.AddMembers(SF.FieldDeclaration(SF.VariableDeclaration(SF.ParseTypeName(grainStateTypeName), SF.SeparatedList(new[] { SF.VariableDeclarator(SF.Identifier("State")) }))).AddModifiers(SF.Token(SyntaxKind.PrivateKeyword)));
readReplicaGrain = readReplicaGrain.AddMembers(GenerateReadReplicaOnActivateAsync(swmrInterface));
foreach (ISymbol member in swmrInterface.GetMembers())
{
IMethodSymbol methodSymbol = member as IMethodSymbol;
if (methodSymbol == null || !IsReadOnlyMethod(methodSymbol))
{
continue;
}
MethodDeclarationSyntax methodImpl = RoslynUtils.FindImplementation(methodSymbol, grainClass);
readReplicaGrain = readReplicaGrain.AddMembers(methodImpl.WithLeadingTrivia(SF.EndOfLine("")));
}
readReplicaGrain = readReplicaGrain.AddMembers(GenerateSetStateMethod(grainStateTypeName));
return(readReplicaGrain);
}
public static ClassDeclarationSyntax AddField(ClassDeclarationSyntax classDeclaration, string type, string name)
{
return(classDeclaration.AddMembers(
SF.FieldDeclaration(SF.VariableDeclaration(SF.ParseTypeName(type),
SF.SeparatedList(new[] { SF.VariableDeclarator(SF.Identifier(name)) })))
.AddModifiers(SF.Token(SyntaxKind.PrivateKeyword))));
}
public FieldDeclarationSyntax Build() =>
SF.FieldDeclaration(
GeneratorHelper.EmptyAttributeList(),
SF.TokenList(this.modifiers),
SF.VariableDeclaration(
fieldType,
SF.SeparatedList(
this.variableNames.Select(n => SF.VariableDeclarator(n)))));
static IEnumerable <MemberDeclarationSyntax> ColumnToMembers(string column, IEnumerable <IFieldSymbol> fields)
{
var fieldsList = fields.ToList();
TypeSyntax columnElementType;
if (fieldsList.Count > 1)
{
var fieldGroupTypeName = SF.IdentifierName($"{column}_t");
yield return(SF.StructDeclaration(fieldGroupTypeName.Identifier)
.WithMembers(SF.List(fields.Select(x => SF.FieldDeclaration(SF.VariableDeclaration(
SF.IdentifierName(x.Type.Name),
SF.SingletonSeparatedList(SF.VariableDeclarator(x.Name))))).Cast <MemberDeclarationSyntax>())));
columnElementType = fieldGroupTypeName;
}
else
{
columnElementType = SF.IdentifierName(fields.First().Type.Name);
}
yield return(SF.FieldDeclaration(SF.VariableDeclaration(
SF.ArrayType(columnElementType, SF.SingletonList(SF.ArrayRankSpecifier())),
SF.SingletonSeparatedList(SF.VariableDeclarator(column)))));
}
