/// <summary>
/// Processes the supplied <paramref name="queryResult"/> from the data source.
/// </summary>
/// <param name="resultHandlerContext"></param>
/// <param name="processResult">The real result of the execution operation.</param>
/// <exception cref="ArgumentNullException">The value of '<paramref name="resultHandlerContext"/>' cannot be null.</exception>
/// <returns>A value indicating, whether, this handler handled the <paramref name="queryResult"/>.</returns>
public Boolean TryProcessQueryResult(ResultHandlerContext resultHandlerContext, out Object processResult)
{
if (resultHandlerContext == null)
{
throw new ArgumentNullException(nameof(resultHandlerContext));
}
processResult = null;
var instanceDescriptorQueryable = resultHandlerContext.Result as IQueryable <InstanceDescriptor>;
if (instanceDescriptorQueryable != null)
{
var instances = instanceDescriptorQueryable.AsEnumerable() /*.AsParallel().AsOrdered()*/.Select(instanceDescriptor =>
{
using (var instanceResolutionWalker = this.instanceResolutionWalkerFactory.CreateExport())
{
return(instanceResolutionWalker.Value.ResolveInstance(new InstanceResolutionContext(instanceDescriptor, resultHandlerContext.InstanceRelationStore)
{
NoChangeTracking = resultHandlerContext.NoChangeTracking,
NoLazyLoading = resultHandlerContext.NoLazyLoading
}));
}
});
processResult = instances.GetEnumerator();
}
return(instanceDescriptorQueryable != null);
}
/// <summary>
/// Processes the supplied <paramref name="queryResult"/> from the data source.
/// </summary>
/// <param name="resultHandlerContext"></param>
/// <param name="processResult">The real result of the execution operation.</param>
/// <exception cref="ArgumentNullException">The value of '<paramref name="resultHandlerContext"/>' cannot be null.</exception>
/// <returns>A value indicating, whether, this handler handled the <paramref name="queryResult"/>.</returns>
public Boolean TryProcessQueryResult(ResultHandlerContext resultHandlerContext, out Object processResult)
{
if (resultHandlerContext == null)
{
throw new ArgumentNullException(nameof(resultHandlerContext));
}
processResult = null;
var instanceDescriptor = resultHandlerContext.Result as InstanceDescriptor;
if (instanceDescriptor != null)
{
using (var instanceResolutionWalker = this.instanceResolutionWalkerFactory.CreateExport())
{
processResult = instanceResolutionWalker.Value.ResolveInstance(new InstanceResolutionContext(instanceDescriptor, resultHandlerContext.InstanceRelationStore)
{
NoChangeTracking = resultHandlerContext.NoChangeTracking,
NoLazyLoading = resultHandlerContext.NoLazyLoading
});
}
}
return(instanceDescriptor != null);
}
/// <summary>
/// Processes the supplied <paramref name="queryResult"/> from the data source.
/// </summary>
/// <param name="resultHandlerContext"></param>
/// <exception cref="ArgumentNullException">The value of '<paramref name="resultHandlerContext"/>' cannot be null.</exception>
/// <returns>The real result of the query.</returns>
public Object CreateResult(ResultHandlerContext resultHandlerContext)
{
if (resultHandlerContext == null)
{
throw new ArgumentNullException(nameof(resultHandlerContext));
}
Object result = null;
foreach (var queryResultHandler in this.queryResultHandlers)
{
if (queryResultHandler.TryProcessQueryResult(resultHandlerContext, out result))
{
break;
}
}
return(result);
}
/// <summary>
/// Processes the supplied <paramref name="queryResult"/> from the data source.
/// </summary>
/// <param name="resultHandlerContext"></param>
/// <param name="processResult">The real result of the execution operation.</param>
/// <exception cref="ArgumentNullException">The value of '<paramref name="resultHandlerContext"/>' cannot be null.</exception>
/// <returns>A value indicating, whether, this handler handled the <paramref name="queryResult"/>.</returns>
public Boolean TryProcessQueryResult(ResultHandlerContext resultHandlerContext, out Object processResult)
{
if (resultHandlerContext == null)
{
throw new ArgumentNullException(nameof(resultHandlerContext));
}
processResult = null;
if (resultHandlerContext.Result == null)
{
return(false);
}
var queryResultClassification = resultHandlerContext.Result.GetType().Classify();
if (queryResultClassification == TypeClassifier.TypeClassification.Primitive)
{
processResult = resultHandlerContext.Result;
}
return(queryResultClassification == TypeClassifier.TypeClassification.Primitive);
}
