public OperationExecuter(
ISchema schema,
DocumentNode queryDocument,
OperationDefinitionNode operation)
{
_schema = schema
?? throw new ArgumentNullException(nameof(schema));
_queryDocument = queryDocument
?? throw new ArgumentNullException(nameof(queryDocument));
_operation = operation
?? throw new ArgumentNullException(nameof(operation));
_executionTimeout = schema.Options.ExecutionTimeout;
_variableValueBuilder = new VariableValueBuilder(schema, _operation);
if (!_executionStrategy.TryGetValue(_operation.Operation,
out IExecutionStrategy strategy))
{
throw new NotSupportedException();
}
_strategy = strategy;
var directiveCollector = new DirectiveCollector(_schema);
directiveCollector.VisitDocument(_queryDocument);
_directiveLookup = directiveCollector.CreateLookup();
}
private DirectiveLookup CreateLookup(
ISchema schema,
DocumentNode document)
{
var directiveCollector = new DirectiveCollector(schema);
directiveCollector.VisitDocument(document);
return(directiveCollector.CreateLookup());
}
private DirectiveLookup GetOrCreateDirectiveLookup(
IQueryContext context)
{
return(_directiveCache.GetOrCreate(
context.Request.Query,
() =>
{
var directiveCollector = new DirectiveCollector(
context.Schema);
directiveCollector.VisitDocument(context.Document);
return directiveCollector.CreateLookup();
}));
}