public OperationComplexityMiddleware(
RequestDelegate next,
DocumentValidatorContextPool contextPool,
IComplexityAnalyzerOptionsAccessor options,
IComplexityAnalyzerCache cache,
VariableCoercionHelper coercionHelper)
{
_next = next ??
throw new ArgumentNullException(nameof(next));
_contextPool = contextPool ??
throw new ArgumentNullException(nameof(contextPool));
_settings = options?.Complexity ??
throw new ArgumentNullException(nameof(options));
_cache = cache ??
throw new ArgumentNullException(nameof(cache));
_coercionHelper = coercionHelper ??
throw new ArgumentNullException(nameof(coercionHelper));
_compiler = new ComplexityAnalyzerCompilerVisitor(_settings);
}
public static int Calculate(
IOutputField field,
FieldNode selection,
CostDirective costDirective,
int fieldDepth,
int nodeDepth,
int childComplexity,
IVariableValueCollection variables,
InputParser inputParser,
ComplexityAnalyzerSettings analyzerSettings)
{
return(analyzerSettings.Calculation.Invoke(
new ComplexityContext(
field,
selection,
costDirective,
fieldDepth,
nodeDepth,
childComplexity,
analyzerSettings.DefaultComplexity,
variables,
inputParser)));
}
public ComplexityAnalyzerCompilerVisitor(ComplexityAnalyzerSettings settings)
{
_settings = Constant(settings, typeof(ComplexityAnalyzerSettings));
}
