/// <summary>
/// Builds the artifact for the root resource of the composite definition.
/// </summary>
/// <param name="parentResult">The parent build result, for compositional behavior (if applicable).</param>
/// <param name="builderContext">The builder context.</param>
/// <param name="processorContext">The composite definition processor context.</param>
/// <returns>The build result.</returns>
public CompositeQuery BuildForChildResource(
CompositeQuery parentResult,
HqlBuilderContext builderContext,
CompositeDefinitionProcessorContext processorContext)
{
ApplyFilters(processorContext, builderContext);
return(_next.BuildForChildResource(parentResult, builderContext, processorContext));
}
private TBuildResult ProcessDefinition(
TBuildResult parentResult,
TBuilderContext builderContext,
CompositeDefinitionProcessorContext processorContext)
{
// Apply authorization for aggregate roots here
if (processorContext.CurrentResourceClass.Entity.IsAggregateRoot)
{
// Provide opportunity to perform processing related to navigating into another resource (i.e. authorization)
if (!_compositeBuilder.TryIncludeResource(processorContext, builderContext))
{
return(default(TBuildResult));
}
}
bool isMainQuery = processorContext.IsBaseResource();
if (isMainQuery)
{
_compositeBuilder.ApplyRootResource(processorContext, builderContext);
}
else
{
_compositeBuilder.ApplyChildResource(builderContext, processorContext);
}
var nonIncomingIdentifyingProperties = processorContext.NonIncomingIdentifyingProperties();
ApplyLocalIdentifyingProperties(builderContext, processorContext, nonIncomingIdentifyingProperties);
// Capture current applicable builder state so it can be modified further at this level without changes affecting children
_compositeBuilder.SnapshotParentingContext(builderContext);
// Select projected properties
var propertyProjections = GetPropertyProjections(processorContext, processorContext.PropertyElements());
// Project the properties into the artifact under construction
_compositeBuilder.ProjectProperties(propertyProjections, builderContext, processorContext);
// Process flattened References
ProcessFlattenedMemberProperties(processorContext, builderContext);
TBuildResult thisBuildResult;
if (isMainQuery)
{
// Short circuit the rest of the processing if the root result is null
if (!_compositeBuilder.TryBuildForRootResource(builderContext, processorContext, out thisBuildResult))
{
return(default(TBuildResult));
}
}
else
{
thisBuildResult = _compositeBuilder.BuildForChildResource(
parentResult,
builderContext,
processorContext);
}
var childBuilderContext = _compositeBuilder.CreateParentingContext(builderContext);
ProcessChildren(thisBuildResult, processorContext, childBuilderContext);
if (_performValidation && _validationErrors.Any())
{
throw new Exception(string.Join(Environment.NewLine, _validationErrors.ToArray()));
}
return(thisBuildResult);
}