/// <summary>
/// Initializes a new instance of the <see cref="IntrospectedInputValueType" /> class.
/// </summary>
/// <param name="argument">The field argument used to populate this input value.</param>
/// <param name="introspectedGraphType">The meta data representing the type of this argument.</param>
public IntrospectedInputValueType(IGraphFieldArgument argument, IntrospectedType introspectedGraphType)
{
this.IntrospectedGraphType = Validation.ThrowIfNullOrReturn(introspectedGraphType, nameof(introspectedGraphType));
Validation.ThrowIfNull(argument, nameof(argument));
this.Name = argument.Name;
this.Description = argument.Description;
_rawDefaultValue = argument.DefaultValue;
}
/// <summary>
/// Adds the <see cref="IGraphFieldArgument" /> to the collection.
/// </summary>
/// <param name="argument">The argument to add.</param>
/// <returns>IArgument.</returns>
public IGraphFieldArgument AddArgument(IGraphFieldArgument argument)
{
Validation.ThrowIfNull(argument, nameof(argument));
_arguments.Add(argument.Name, argument);
if (argument.ArgumentModifiers.IsSourceParameter() && _sourceArgument == null)
{
_sourceArgument = argument;
}
return(argument);
}
/// <summary>
/// Attempts to create a qualified input argument for the supplied schema field.
/// </summary>
/// <param name="argument">The argument defined on schema that needs to have
/// an input value created fro.</param>
/// <returns>Task.</returns>
public ArgumentGenerationResult CreateInputArgument(IGraphFieldArgument argument)
{
Validation.ThrowIfNull(argument, nameof(argument));
if (!_suppliedArguments.ContainsKey(argument.Name))
{
return(new ArgumentGenerationResult(new ResolvedInputArgumentValue(argument.Name, argument.DefaultValue)));
}
var coreValue = _suppliedArguments[argument.Name].Value;
var resolver = _inputResolverGenerator.CreateResolver(coreValue.OwnerArgument.TypeExpression);
if (this.ShouldDeferResolution(coreValue))
{
return(new ArgumentGenerationResult(new DeferredInputArgumentValue(coreValue, resolver)));
}
try
{
var data = resolver.Resolve(coreValue);
return(new ArgumentGenerationResult(new ResolvedInputArgumentValue(coreValue.OwnerArgument.Name, data)));
}
catch (UnresolvedValueException svce)
{
var message = new GraphExecutionMessage(
GraphMessageSeverity.Critical,
svce.Message,
Constants.ErrorCodes.INVALID_ARGUMENT,
coreValue.OwnerArgument.Value.ValueNode.Location.AsOrigin(),
exception: svce.InnerException);
return(new ArgumentGenerationResult(message));
}
catch (Exception ex)
{
var message = new GraphExecutionMessage(
GraphMessageSeverity.Critical,
"Invalid argument value.",
Constants.ErrorCodes.INVALID_ARGUMENT,
coreValue.OwnerArgument.Value.ValueNode.Location.AsOrigin(),
ex);
return(new ArgumentGenerationResult(message));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ExecutionArgument" /> class.
/// </summary>
/// <param name="argument">The argument.</param>
/// <param name="value">The value.</param>
public ExecutionArgument(IGraphFieldArgument argument, object value)
{
this.Argument = Validation.ThrowIfNullOrReturn(argument, nameof(argument));
this.Value = value;
}
/// <summary>
/// Initializes a new instance of the <see cref="InputArgument" /> class.
/// </summary>
/// <param name="argument">The field argument defined in a schema.</param>
/// <param name="value">The value representing this field argument as its defined in a query document.</param>
public InputArgument(IGraphFieldArgument argument, IInputArgumentValue value)
{
this.Argument = Validation.ThrowIfNullOrReturn(argument, nameof(argument));
this.Value = Validation.ThrowIfNullOrReturn(value, nameof(value));
}
