public async Task <ExecutionResult> ExecuteAsync(ExecutionOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (options.Schema == null)
{
throw new InvalidOperationException("Cannot execute request if no schema is specified");
}
if (options.Query == null)
{
throw new InvalidOperationException("Cannot execute request if no query is specified");
}
if (options.FieldMiddleware == null)
{
throw new InvalidOperationException("Cannot execute request if no middleware builder specified");
}
var metrics = new Metrics(options.EnableMetrics).Start(options.OperationName);
options.Schema.NameConverter = options.NameConverter;
options.Schema.Filter = options.SchemaFilter;
ExecutionResult result = null;
ExecutionContext context = null;
try
{
if (!options.Schema.Initialized)
{
using (metrics.Subject("schema", "Initializing schema"))
{
options.FieldMiddleware.ApplyTo(options.Schema);
options.Schema.Initialize();
}
}
var document = options.Document;
using (metrics.Subject("document", "Building document"))
{
if (document == null)
{
document = _documentBuilder.Build(options.Query);
}
}
if (document.Operations.Count == 0)
{
throw new NoOperationError();
}
var operation = GetOperation(options.OperationName, document);
metrics.SetOperationName(operation?.Name);
if (operation == null)
{
throw new InvalidOperationException($"Query does not contain operation '{options.OperationName}'.");
}
IValidationResult validationResult;
using (metrics.Subject("document", "Validating document"))
{
validationResult = await _documentValidator.ValidateAsync(
options.Query,
options.Schema,
document,
options.ValidationRules,
options.UserContext,
options.Inputs);
}
if (options.ComplexityConfiguration != null && validationResult.IsValid)
{
using (metrics.Subject("document", "Analyzing complexity"))
_complexityAnalyzer.Validate(document, options.ComplexityConfiguration);
}
context = BuildExecutionContext(
options.Schema,
options.Root,
document,
operation,
options.Inputs,
options.UserContext,
options.CancellationToken,
metrics,
options.Listeners,
options.ThrowOnUnhandledException,
options.UnhandledExceptionDelegate,
options.MaxParallelExecutionCount,
options.RequestServices);
foreach (var listener in options.Listeners)
{
await listener.AfterValidationAsync(context, validationResult)
.ConfigureAwait(false);
}
if (!validationResult.IsValid)
{
return(new ExecutionResult
{
Errors = validationResult.Errors,
Perf = metrics.Finish()
});
}
if (context.Errors.Count > 0)
{
return(new ExecutionResult
{
Errors = context.Errors,
Perf = metrics.Finish()
});
}
using (metrics.Subject("execution", "Executing operation"))
{
if (context.Listeners != null)
{
foreach (var listener in context.Listeners)
{
await listener.BeforeExecutionAsync(context)
.ConfigureAwait(false);
}
}
IExecutionStrategy executionStrategy = SelectExecutionStrategy(context);
if (executionStrategy == null)
{
throw new InvalidOperationException("Invalid ExecutionStrategy!");
}
var task = executionStrategy.ExecuteAsync(context)
.ConfigureAwait(false);
if (context.Listeners != null)
{
foreach (var listener in context.Listeners)
{
await listener.BeforeExecutionAwaitedAsync(context)
.ConfigureAwait(false);
}
}
result = await task;
if (context.Listeners != null)
{
foreach (var listener in context.Listeners)
{
await listener.AfterExecutionAsync(context)
.ConfigureAwait(false);
}
}
}
if (context.Errors.Count > 0)
{
result.Errors = context.Errors;
}
}
catch (OperationCanceledException) when(options.CancellationToken.IsCancellationRequested)
{
throw;
}
catch (ExecutionError ex)
{
result = new ExecutionResult
{
Errors = new ExecutionErrors
{
ex
}
};
}
catch (Exception ex)
{
if (options.ThrowOnUnhandledException)
{
throw;
}
UnhandledExceptionContext exceptionContext = null;
if (options.UnhandledExceptionDelegate != null)
{
exceptionContext = new UnhandledExceptionContext(context, null, ex);
options.UnhandledExceptionDelegate(exceptionContext);
ex = exceptionContext.Exception;
}
result = new ExecutionResult
{
Errors = new ExecutionErrors
{
ex is ExecutionError executionError ? executionError : new UnhandledError(exceptionContext?.ErrorMessage ?? "Error executing document.", ex)
}
};
}
finally
{
result ??= new ExecutionResult();
result.Perf = metrics.Finish();
}
return(result);
}
public async Task <ExecutionResult> ExecuteAsync(ExecutionOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
var metrics = new Metrics(options.EnableMetrics);
metrics.Start(options.OperationName);
options.Schema.FieldNameConverter = options.FieldNameConverter;
ExecutionResult result = null;
try
{
ValidateOptions(options);
if (!options.Schema.Initialized)
{
using (metrics.Subject("schema", "Initializing schema"))
{
if (options.SetFieldMiddleware)
{
options.FieldMiddleware.ApplyTo(options.Schema);
}
options.Schema.Initialize();
}
}
var document = options.Document;
using (metrics.Subject("document", "Building document"))
{
if (document == null)
{
document = _documentBuilder.Build(options.Query);
}
}
var operation = GetOperation(options.OperationName, document);
metrics.SetOperationName(operation?.Name);
if (operation == null)
{
throw new ExecutionError("Unable to determine operation from query.");
}
IValidationResult validationResult;
using (metrics.Subject("document", "Validating document"))
{
validationResult = _documentValidator.Validate(
options.Query,
options.Schema,
document,
options.ValidationRules,
options.UserContext,
options.Inputs);
}
if (options.ComplexityConfiguration != null && validationResult.IsValid)
{
using (metrics.Subject("document", "Analyzing complexity"))
_complexityAnalyzer.Validate(document, options.ComplexityConfiguration);
}
foreach (var listener in options.Listeners)
{
await listener.AfterValidationAsync(
options.UserContext,
validationResult,
options.CancellationToken)
.ConfigureAwait(false);
}
if (!validationResult.IsValid)
{
return(new ExecutionResult()
{
Errors = validationResult.Errors
});
}
var context = BuildExecutionContext(
options.Schema,
options.Root,
document,
operation,
options.Inputs,
options.UserContext,
options.CancellationToken,
metrics,
options.Listeners);
if (context.Errors.Any())
{
return(new ExecutionResult()
{
Errors = context.Errors
});
}
using (metrics.Subject("execution", "Executing operation"))
{
foreach (var listener in context.Listeners)
{
await listener.BeforeExecutionAsync(context.UserContext, context.CancellationToken)
.ConfigureAwait(false);
}
IExecutionStrategy executionStrategy = SelectExecutionStrategy(context);
if (executionStrategy == null)
{
throw new InvalidOperationException("Invalid ExecutionStrategy!");
}
var task = executionStrategy.ExecuteAsync(context)
.ConfigureAwait(false);
foreach (var listener in context.Listeners)
{
await listener.BeforeExecutionAwaitedAsync(context.UserContext, context.CancellationToken)
.ConfigureAwait(false);
}
result = await task;
foreach (var listener in context.Listeners)
{
await listener.AfterExecutionAsync(context.UserContext, context.CancellationToken)
.ConfigureAwait(false);
}
}
if (context.Errors.Any())
{
result.Errors = context.Errors;
}
}
catch (Exception ex)
{
result = new ExecutionResult
{
Errors = new ExecutionErrors()
{
new ExecutionError(ex.Message, ex)
}
};
}
finally
{
result = result ?? new ExecutionResult();
result.ExposeExceptions = options.ExposeExceptions;
result.Perf = metrics.Finish()?.ToArray();
}
return(result);
}
private async Task <ExecutionResult> CoreExecuteAsync(ExecutionOptions options)
{
if (options.Schema == null)
{
throw new InvalidOperationException("Cannot execute request if no schema is specified");
}
if (options.Query == null && options.Document == null)
{
return new ExecutionResult {
Errors = new ExecutionErrors {
new QueryMissingError()
}
}
}
;
var metrics = (options.EnableMetrics ? new Metrics() : Metrics.None).Start(options.OperationName);
ExecutionResult? result = null;
ExecutionContext?context = null;
bool executionOccurred = false;
try
{
if (!options.Schema.Initialized)
{
using (metrics.Subject("schema", "Initializing schema"))
{
options.Schema.Initialize();
}
}
var document = options.Document;
bool saveInCache = false;
bool analyzeComplexity = true;
var validationRules = options.ValidationRules;
using (metrics.Subject("document", "Building document"))
{
if (document == null && (document = await _documentCache.GetAsync(options.Query !).ConfigureAwait(false)) != null)
{
// none of the default validation rules yet are dependent on the inputs, and the
// operation name is not passed to the document validator, so any successfully cached
// document should not need any validation rules run on it
validationRules = options.CachedDocumentValidationRules ?? Array.Empty <IValidationRule>();
analyzeComplexity = false;
}
if (document == null)
{
document = _documentBuilder.Build(options.Query !);
saveInCache = true;
}
}
if (document.OperationsCount() == 0)
{
throw new NoOperationError();
}
var operation = GetOperation(options.OperationName, document);
if (operation == null)
{
throw new InvalidOperationError($"Query does not contain operation '{options.OperationName}'.");
}
metrics.SetOperationName(operation.Name);
IValidationResult validationResult;
Variables variables;
using (metrics.Subject("document", "Validating document"))
{
(validationResult, variables) = await _documentValidator.ValidateAsync(
new ValidationOptions
{
Document = document,
Rules = validationRules,
Operation = operation,
UserContext = options.UserContext,
RequestServices = options.RequestServices,
CancellationToken = options.CancellationToken,
Schema = options.Schema,
Variables = options.Variables ?? Inputs.Empty,
Extensions = options.Extensions ?? Inputs.Empty,
}).ConfigureAwait(false);
}
if (options.ComplexityConfiguration != null && validationResult.IsValid && analyzeComplexity)
{
using (metrics.Subject("document", "Analyzing complexity"))
_complexityAnalyzer.Validate(document, options.ComplexityConfiguration);
}
if (saveInCache && validationResult.IsValid)
{
await _documentCache.SetAsync(options.Query !, document).ConfigureAwait(false);
}
context = BuildExecutionContext(options, document, operation, variables, metrics);
foreach (var listener in options.Listeners)
{
await listener.AfterValidationAsync(context, validationResult) // TODO: remove ExecutionContext or make different type ?
.ConfigureAwait(false);
}
if (!validationResult.IsValid)
{
return(new ExecutionResult
{
Errors = validationResult.Errors,
Perf = metrics.Finish()
});
}
if (context.Errors.Count > 0)
{
return(new ExecutionResult
{
Errors = context.Errors,
Perf = metrics.Finish()
});
}
executionOccurred = true;
using (metrics.Subject("execution", "Executing operation"))
{
if (context.Listeners != null)
{
foreach (var listener in context.Listeners)
{
await listener.BeforeExecutionAsync(context)
.ConfigureAwait(false);
}
}
var task = (context.ExecutionStrategy ?? throw new InvalidOperationException("Execution strategy not specified")).ExecuteAsync(context)
.ConfigureAwait(false);
result = await task;
if (context.Listeners != null)
{
foreach (var listener in context.Listeners)
{
await listener.AfterExecutionAsync(context)
.ConfigureAwait(false);
}
}
}
result.AddErrors(context.Errors);
}
catch (OperationCanceledException) when(options.CancellationToken.IsCancellationRequested)
{
throw;
}
catch (ExecutionError ex)
{
(result ??= new()).AddError(ex);
}
catch (Exception ex)
{
if (options.ThrowOnUnhandledException)
{
throw;
}
UnhandledExceptionContext?exceptionContext = null;
if (options.UnhandledExceptionDelegate != null)
{
exceptionContext = new UnhandledExceptionContext(context, null, ex);
await options.UnhandledExceptionDelegate(exceptionContext).ConfigureAwait(false);
ex = exceptionContext.Exception;
}
(result ??= new()).AddError(ex is ExecutionError executionError ? executionError : new UnhandledError(exceptionContext?.ErrorMessage ?? "Error executing document.", ex));
}
finally
{
result ??= new();
result.Perf = metrics.Finish();
if (executionOccurred)
{
result.Executed = true;
}
context?.Dispose();
}
return(result);
}
public async Task <ExecutionResult> ExecuteAsync(ExecutionOptions config)
{
var metrics = new Metrics();
metrics.Start(config.OperationName);
config.Schema.FieldNameConverter = config.FieldNameConverter;
var result = InitializeResult(config);
try
{
ValidateOptions(config);
if (!config.Schema.Initialized)
{
using (metrics.Subject("schema", "Initializing schema"))
{
config.FieldMiddleware.ApplyTo(config.Schema);
config.Schema.Initialize();
}
}
var document = config.Document;
using (metrics.Subject("document", "Building document"))
{
if (document == null)
{
document = _documentBuilder.Build(config.Query);
}
}
result.Document = document;
var operation = GetOperation(config.OperationName, document);
result.Operation = operation;
metrics.SetOperationName(operation?.Name);
if (operation == null)
{
throw new ExecutionError("Unable to determine operation from query.");
}
if (config.ComplexityConfiguration != null)
{
using (metrics.Subject("document", "Analyzing complexity"))
_complexityAnalyzer.Validate(document, config.ComplexityConfiguration);
}
IValidationResult validationResult;
using (metrics.Subject("document", "Validating document"))
{
validationResult = _documentValidator.Validate(
config.Query,
config.Schema,
document,
config.ValidationRules,
config.UserContext);
}
foreach (var listener in config.Listeners)
{
await listener.AfterValidationAsync(
config.UserContext,
validationResult,
config.CancellationToken)
.ConfigureAwait(false);
}
if (validationResult.IsValid)
{
var context = BuildExecutionContext(
config.Schema,
config.Root,
document,
operation,
config.Inputs,
config.UserContext,
config.CancellationToken,
metrics);
if (context.Errors.Any())
{
result.Errors = context.Errors;
return(result);
}
using (metrics.Subject("execution", "Executing operation"))
{
foreach (var listener in config.Listeners)
{
await listener.BeforeExecutionAsync(config.UserContext, config.CancellationToken).ConfigureAwait(false);
}
await OnExecution(config, context, result);
foreach (var listener in config.Listeners)
{
await listener.AfterExecutionAsync(config.UserContext, config.CancellationToken).ConfigureAwait(false);
}
}
if (context.Errors.Any())
{
result.Errors = context.Errors;
}
}
else
{
OnValidationError(validationResult, result);
}
return(result);
}
catch (Exception exc)
{
OnError(exc, result);
return(result);
}
finally
{
result.Perf = metrics.Finish().ToArray();
}
}
public async Task<ExecutionResult> ExecuteAsync(ExecutionOptions config)
{
var metrics = new Metrics();
metrics.Start(config.OperationName);
config.FieldMiddleware.ApplyTo(config.Schema);
var result = new ExecutionResult { Query = config.Query };
try
{
if (!config.Schema.Initialized)
{
using (metrics.Subject("schema", "Initializing schema"))
{
config.Schema.Initialize();
}
}
var document = config.Document;
using (metrics.Subject("document", "Building document"))
{
if (document == null)
{
document = _documentBuilder.Build(config.Query);
}
}
result.Document = document;
var operation = GetOperation(config.OperationName, document);
result.Operation = operation;
metrics.SetOperationName(operation?.Name);
if (config.ComplexityConfiguration != null)
{
using (metrics.Subject("document", "Analyzing complexity"))
_complexityAnalyzer.Validate(document, config.ComplexityConfiguration);
}
IValidationResult validationResult;
using (metrics.Subject("document", "Validating document"))
{
validationResult = _documentValidator.Validate(
config.Query,
config.Schema,
document,
config.ValidationRules,
config.UserContext);
}
foreach (var listener in config.Listeners)
{
await listener.AfterValidationAsync(
config.UserContext,
validationResult,
config.CancellationToken)
.ConfigureAwait(false);
}
if (validationResult.IsValid)
{
var context = BuildExecutionContext(
config.Schema,
config.Root,
document,
operation,
config.Inputs,
config.UserContext,
config.CancellationToken,
metrics);
if (context.Errors.Any())
{
result.Errors = context.Errors;
return result;
}
using (metrics.Subject("execution", "Executing operation"))
{
foreach (var listener in config.Listeners)
{
await listener.BeforeExecutionAsync(config.UserContext, config.CancellationToken).ConfigureAwait(false);
}
var task = ExecuteOperationAsync(context).ConfigureAwait(false);
foreach (var listener in config.Listeners)
{
await listener.BeforeExecutionAwaitedAsync(config.UserContext, config.CancellationToken).ConfigureAwait(false);
}
result.Data = await task;
foreach (var listener in config.Listeners)
{
await listener.AfterExecutionAsync(config.UserContext, config.CancellationToken).ConfigureAwait(false);
}
}
if (context.Errors.Any())
{
result.Errors = context.Errors;
}
}
else
{
result.Data = null;
result.Errors = validationResult.Errors;
}
return result;
}
catch (Exception exc)
{
if (result.Errors == null)
{
result.Errors = new ExecutionErrors();
}
result.Data = null;
result.Errors.Add(new ExecutionError(exc.Message, exc));
return result;
}
finally
{
result.Perf = metrics.Finish().ToArray();
}
}
public Task<ExecutionResult> ExecuteAsync(Action<ExecutionOptions> configure)
{
var options = new ExecutionOptions();
configure(options);
return ExecuteAsync(options);
}
/// <inheritdoc/>
public async Task <ExecutionResult> ExecuteAsync(ExecutionOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (options.Schema == null)
{
throw new InvalidOperationException("Cannot execute request if no schema is specified");
}
if (options.Query == null)
{
throw new InvalidOperationException("Cannot execute request if no query is specified");
}
if (options.FieldMiddleware == null)
{
throw new InvalidOperationException("Cannot execute request if no middleware builder specified");
}
var metrics = new Metrics(options.EnableMetrics).Start(options.OperationName);
options.Schema.NameConverter = options.NameConverter;
options.Schema.Filter = options.SchemaFilter;
ExecutionResult result = null;
ExecutionContext context = null;
try
{
if (!options.Schema.Initialized)
{
using (metrics.Subject("schema", "Initializing schema"))
{
lock (options.Schema)
{
if (!options.Schema.Initialized)
{
options.FieldMiddleware.ApplyTo(options.Schema);
options.Schema.Initialize();
}
}
}
}
var document = options.Document;
using (metrics.Subject("document", "Building document"))
{
if (document == null)
{
document = _documentBuilder.Build(options.Query);
}
}
if (document.Operations.Count == 0)
{
throw new NoOperationError();
}
var operation = GetOperation(options.OperationName, document);
metrics.SetOperationName(operation?.Name);
if (operation == null)
{
throw new InvalidOperationException($"Query does not contain operation '{options.OperationName}'.");
}
IValidationResult validationResult;
using (metrics.Subject("document", "Validating document"))
{
validationResult = await _documentValidator.ValidateAsync(
options.Query,
options.Schema,
document,
options.ValidationRules,
options.UserContext,
options.Inputs);
}
if (options.ComplexityConfiguration != null && validationResult.IsValid)
{
using (metrics.Subject("document", "Analyzing complexity"))
_complexityAnalyzer.Validate(document, options.ComplexityConfiguration);
}
try
{
context = BuildExecutionContext(
options.Schema,
options.Root,
document,
operation,
options.Inputs ?? Inputs.Empty,
options.UserContext,
options.CancellationToken,
metrics,
options.Listeners,
options.ThrowOnUnhandledException,
options.UnhandledExceptionDelegate,
options.MaxParallelExecutionCount,
options.RequestServices);
}
catch (InvalidVariableError)
{
// error parsing variables
// attempt to run AfterValidationAsync with null for the 'ExecutionContext.Variables' property
context = BuildExecutionContext(
options.Schema,
options.Root,
document,
operation,
null,
options.UserContext,
options.CancellationToken,
metrics,
options.Listeners,
options.ThrowOnUnhandledException,
options.UnhandledExceptionDelegate,
options.MaxParallelExecutionCount,
options.RequestServices);
try
{
foreach (var listener in options.Listeners)
{
await listener.AfterValidationAsync(context, validationResult)
.ConfigureAwait(false);
}
// if there was a validation error, return that, and ignore the variable parsing error
if (!validationResult.IsValid)
{
return(new ExecutionResult
{
Errors = validationResult.Errors,
Perf = metrics.Finish()
});
}
}
catch
{
// if there was an error within AfterValidationAsync (such as a NullReferenceException
// due to ExecutionContext.Variables being null), skip this step and throw the variable parsing error
}
// if there was no validation errors returned, throw the variable parsing error
throw;
}
foreach (var listener in options.Listeners)
{
await listener.AfterValidationAsync(context, validationResult)
.ConfigureAwait(false);
}
if (!validationResult.IsValid)
{
return(new ExecutionResult
{
Errors = validationResult.Errors,
Perf = metrics.Finish()
});
}
if (context.Errors.Count > 0)
{
return(new ExecutionResult
{
Errors = context.Errors,
Perf = metrics.Finish()
});
}
using (metrics.Subject("execution", "Executing operation"))
{
if (context.Listeners != null)
{
foreach (var listener in context.Listeners)
{
await listener.BeforeExecutionAsync(context)
.ConfigureAwait(false);
}
}
IExecutionStrategy executionStrategy = SelectExecutionStrategy(context);
if (executionStrategy == null)
{
throw new InvalidOperationException("Invalid ExecutionStrategy!");
}
var task = executionStrategy.ExecuteAsync(context)
.ConfigureAwait(false);
if (context.Listeners != null)
{
foreach (var listener in context.Listeners)
{
#pragma warning disable CS0612 // Type or member is obsolete
await listener.BeforeExecutionAwaitedAsync(context)
#pragma warning restore CS0612 // Type or member is obsolete
.ConfigureAwait(false);
}
}
result = await task;
if (context.Listeners != null)
{
foreach (var listener in context.Listeners)
{
await listener.AfterExecutionAsync(context)
.ConfigureAwait(false);
}
}
}
if (context.Errors.Count > 0)
{
result.Errors = context.Errors;
}
}
catch (OperationCanceledException) when(options.CancellationToken.IsCancellationRequested)
{
throw;
}
catch (ExecutionError ex)
{
result = new ExecutionResult
{
Errors = new ExecutionErrors
{
ex
}
};
}
catch (Exception ex)
{
if (options.ThrowOnUnhandledException)
{
throw;
}
UnhandledExceptionContext exceptionContext = null;
if (options.UnhandledExceptionDelegate != null)
{
exceptionContext = new UnhandledExceptionContext(context, null, ex);
options.UnhandledExceptionDelegate(exceptionContext);
ex = exceptionContext.Exception;
}
result = new ExecutionResult
{
Errors = new ExecutionErrors
{
ex is ExecutionError executionError ? executionError : new UnhandledError(exceptionContext?.ErrorMessage ?? "Error executing document.", ex)
}
};
}
finally
{
result ??= new ExecutionResult();
result.Perf = metrics.Finish();
}
return(result);
}
/// <inheritdoc/>
public virtual async Task <ExecutionResult> ExecuteAsync(ExecutionOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (options.Schema == null)
{
throw new InvalidOperationException("Cannot execute request if no schema is specified");
}
if (options.Query == null)
{
throw new InvalidOperationException("Cannot execute request if no query is specified");
}
var metrics = (options.EnableMetrics ? new Metrics() : Metrics.None).Start(options.OperationName);
ExecutionResult result = null;
ExecutionContext context = null;
bool executionOccurred = false;
try
{
if (!options.Schema.Initialized)
{
using (metrics.Subject("schema", "Initializing schema"))
{
options.Schema.Initialize();
}
}
var document = options.Document;
bool saveInCache = false;
bool analyzeComplexity = true;
var validationRules = options.ValidationRules;
using (metrics.Subject("document", "Building document"))
{
if (document == null && (document = _documentCache[options.Query]) != null)
{
// none of the default validation rules yet are dependent on the inputs, and the
// operation name is not passed to the document validator, so any successfully cached
// document should not need any validation rules run on it
validationRules = options.CachedDocumentValidationRules ?? Array.Empty <IValidationRule>();
analyzeComplexity = false;
}
if (document == null)
{
document = _documentBuilder.Build(options.Query);
saveInCache = true;
}
}
if (document.Operations.Count == 0)
{
throw new NoOperationError();
}
var operation = GetOperation(options.OperationName, document);
metrics.SetOperationName(operation?.Name);
if (operation == null)
{
throw new InvalidOperationException($"Query does not contain operation '{options.OperationName}'.");
}
IValidationResult validationResult;
using (metrics.Subject("document", "Validating document"))
{
validationResult = await _documentValidator.ValidateAsync(
options.Query,
options.Schema,
document,
validationRules,
options.UserContext,
options.Inputs);
}
if (options.ComplexityConfiguration != null && validationResult.IsValid && analyzeComplexity)
{
using (metrics.Subject("document", "Analyzing complexity"))
_complexityAnalyzer.Validate(document, options.ComplexityConfiguration);
}
if (saveInCache && validationResult.IsValid)
{
_documentCache[options.Query] = document;
}
try
{
context = BuildExecutionContext(
options.Schema,
options.Root,
document,
operation,
options.Inputs ?? Inputs.Empty,
options.UserContext,
options.CancellationToken,
metrics,
options.Listeners,
options.ThrowOnUnhandledException,
options.UnhandledExceptionDelegate,
options.MaxParallelExecutionCount,
options.RequestServices);
}
catch (InvalidVariableError)
{
// error parsing variables
// attempt to run AfterValidationAsync with null for the 'ExecutionContext.Variables' property
context = BuildExecutionContext(
options.Schema,
options.Root,
document,
operation,
null,
options.UserContext,
options.CancellationToken,
metrics,
options.Listeners,
options.ThrowOnUnhandledException,
options.UnhandledExceptionDelegate,
options.MaxParallelExecutionCount,
options.RequestServices);
try
{
foreach (var listener in options.Listeners)
{
await listener.AfterValidationAsync(context, validationResult)
.ConfigureAwait(false);
}
// if there was a validation error, return that, and ignore the variable parsing error
if (!validationResult.IsValid)
{
return(new ExecutionResult
{
Errors = validationResult.Errors,
Perf = metrics.Finish()
});
}
}
catch
{
// if there was an error within AfterValidationAsync (such as a NullReferenceException
// due to ExecutionContext.Variables being null), skip this step and throw the variable parsing error
}
// if there was no validation errors returned, throw the variable parsing error
throw;
}
foreach (var listener in options.Listeners)
{
await listener.AfterValidationAsync(context, validationResult)
.ConfigureAwait(false);
}
if (!validationResult.IsValid)
{
return(new ExecutionResult
{
Errors = validationResult.Errors,
Perf = metrics.Finish()
});
}
if (context.Errors.Count > 0)
{
return(new ExecutionResult
{
Errors = context.Errors,
Perf = metrics.Finish()
});
}
executionOccurred = true;
using (metrics.Subject("execution", "Executing operation"))
{
if (context.Listeners != null)
{
foreach (var listener in context.Listeners)
{
await listener.BeforeExecutionAsync(context)
.ConfigureAwait(false);
}
}
IExecutionStrategy executionStrategy = SelectExecutionStrategy(context);
if (executionStrategy == null)
{
throw new InvalidOperationException("Invalid ExecutionStrategy!");
}
var task = executionStrategy.ExecuteAsync(context)
.ConfigureAwait(false);
if (context.Listeners != null)
{
foreach (var listener in context.Listeners)
{
#pragma warning disable CS0612 // Type or member is obsolete
await listener.BeforeExecutionAwaitedAsync(context)
#pragma warning restore CS0612 // Type or member is obsolete
.ConfigureAwait(false);
}
}
result = await task;
if (context.Listeners != null)
{
foreach (var listener in context.Listeners)
{
await listener.AfterExecutionAsync(context)
.ConfigureAwait(false);
}
}
}
result.AddErrors(context.Errors);
}
catch (OperationCanceledException) when(options.CancellationToken.IsCancellationRequested)
{
throw;
}
catch (ExecutionError ex)
{
(result ??= new ExecutionResult()).AddError(ex);
}
catch (Exception ex)
{
if (options.ThrowOnUnhandledException)
{
throw;
}
UnhandledExceptionContext exceptionContext = null;
if (options.UnhandledExceptionDelegate != null)
{
exceptionContext = new UnhandledExceptionContext(context, null, ex);
options.UnhandledExceptionDelegate(exceptionContext);
ex = exceptionContext.Exception;
}
(result ??= new ExecutionResult()).AddError(ex is ExecutionError executionError ? executionError : new UnhandledError(exceptionContext?.ErrorMessage ?? "Error executing document.", ex));
}
finally
{
result ??= new ExecutionResult();
result.Perf = metrics.Finish();
if (executionOccurred)
{
result.Executed = true;
}
context?.Dispose();
}
return(result);
}
public static async Task <ExecutionResult> ExecuteWithErrorCheck(this IDocumentExecuter documentExecuter, ExecutionOptions executionOptions)
{
Guard.AgainstNull(nameof(documentExecuter), documentExecuter);
Guard.AgainstNull(nameof(executionOptions), executionOptions);
var executionResult = await documentExecuter.ExecuteAsync(executionOptions);
var errors = executionResult.Errors;
if (errors != null && errors.Count > 0)
{
if (errors.Count == 1)
{
throw errors.First();
}
throw new AggregateException(errors);
}
return(executionResult);
}
