/// <summary>
/// Creates a copy of this value resolver injecting it with a specific collection
/// of variables that can be used during resoltuion. Any previously wrapped variable sets
/// should be discarded.
/// </summary>
/// <param name="variableData">The variable data.</param>
/// <returns>IInputValueResolver.</returns>
public override IInputValueResolver WithVariables(IResolvedVariableCollection variableData)
{
var resolver = new InputObjectResolver(this);
resolver.VariableCollection = variableData;
return(resolver);
}
/// <summary>
/// Creates a copy of this value resolver injecting it with a specific collection
/// of variables that can be used during resoltuion. Any previously wrapped variable sets
/// should be discarded.
/// </summary>
/// <param name="variableData">The variable data.</param>
/// <returns>IInputValueResolver.</returns>
public override IInputValueResolver WithVariables(IResolvedVariableCollection variableData)
{
var resolver = new EnumValueResolver(_enumType);
resolver.VariableCollection = variableData;
return(resolver);
}
/// <summary>
/// Creates a copy of this value resolver injecting it with a specific collection
/// of variables that can be used during resoltuion. Any previously wrapped variable sets
/// should be discarded.
/// </summary>
/// <param name="variableData">The variable data.</param>
/// <returns>IInputValueResolver.</returns>
public override IInputValueResolver WithVariables(IResolvedVariableCollection variableData)
{
var resolver = new ListValueResolver(_listItemType, _itemResolver);
resolver.VariableCollection = variableData;
return(resolver);
}
/// <summary>
/// Creates a copy of this value resolver injecting it with a specific collection
/// of variables that can be used during resoltuion. Any previously wrapped variable sets
/// should be discarded.
/// </summary>
/// <param name="variableData">The variable data.</param>
/// <returns>IInputValueResolver.</returns>
public override IInputValueResolver WithVariables(IResolvedVariableCollection variableData)
{
var resolver = new ScalarInputResolver(_scalarResolver);
resolver.VariableCollection = variableData;
return(resolver);
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphFieldExecutionContext" /> class.
/// </summary>
/// <param name="parentContext">The parent context.</param>
/// <param name="fieldRequest">The field request being executed against on this pipeline context.</param>
/// <param name="variableData">The variable data.</param>
public GraphFieldExecutionContext(
IGraphMiddlewareContext parentContext,
IGraphFieldRequest fieldRequest,
IResolvedVariableCollection variableData)
: base(parentContext)
{
this.Request = Validation.ThrowIfNullOrReturn(fieldRequest, nameof(fieldRequest));
this.VariableData = variableData;
this.ResolvedSourceItems = new List <GraphDataItem>();
}
/// <summary>
/// Merges the supplied variable data into a new collection of arguments
/// capable of fulfilling a request. Any deferred arguments in this instance are resolved
/// to the data contained in the provided set or null if not found.
/// </summary>
/// <param name="variableData">The variable data.</param>
/// <returns>IInputArgumentCollection.</returns>
public IExecutionArgumentCollection Merge(IResolvedVariableCollection variableData)
{
var collection = new ExecutionArgumentCollection();
foreach (var arg in _arguments.Values)
{
var resolvedValue = arg.Value.Resolve(variableData);
collection.Add(new ExecutionArgument(arg.Argument, resolvedValue));
}
return(collection);
}
/// <summary>
/// Resolves the final value of this input argument using the supplied variable for any replacements necessary.
/// The variable collection can be null and is ignored if this argument does not require use of it.
/// </summary>
/// <param name="variableData">The variable data.</param>
/// <returns>System.Object.</returns>
public object Resolve(IResolvedVariableCollection variableData)
{
return(_preResolvedValue);
}
/// <summary>
/// Resolves the final value of this input argument using the supplied variable for any replacements necessary.
/// The variable collection can be null and is ignored if this argument does not require use of it.
/// </summary>
/// <param name="variableData">The variable data.</param>
/// <returns>System.Object.</returns>
public object Resolve(IResolvedVariableCollection variableData)
{
return(_resolver.WithVariables(variableData).Resolve(_coreValue));
}
/// <summary> /// Creates a copy of this value resolver injecting it with a specific collection /// of variables that can be used during resoltuion. Any previously wrapped variable sets /// should be discarded. /// </summary> /// <param name="variableData">The variable data.</param> /// <returns>IInputValueResolver.</returns> public abstract IInputValueResolver WithVariables(IResolvedVariableCollection variableData);
/// <summary>
/// Initializes static members of the <see cref="ResolvedVariableCollection"/> class.
/// </summary>
static ResolvedVariableCollection()
{
Empty = new ResolvedVariableCollection();
}
