/// <summary>
/// .ctor
/// </summary>
/// <param name="queryPipeline">Query pipeline.</param>
/// <param name="messageContext">Message context.</param>
public QueryCaller(QueryPipeline queryPipeline, IMessageContext messageContext)
{
this.query = null;
this.queryPipeline = queryPipeline;
this.messageContext = messageContext;
this.invokeQuery = true;
}
/// <summary>
/// .ctor
/// </summary>
/// <param name="queryPipeline">Query pipeline.</param>
/// <param name="messageContext">Message context.</param>
/// <param name="query">Query object.</param>
public QueryCaller(QueryPipeline queryPipeline, IMessageContext messageContext, TQuery query)
: this(queryPipeline, messageContext)
{
if (query == null)
{
throw new ArgumentNullException(nameof(query));
}
this.query = query;
}
/// <summary>
/// Add query pipeline feature to message context.
/// </summary>
/// <param name="messagePipelineContainer">Pipeline container.</param>
/// <param name="setupAction">Action to setup query pipeline.</param>
/// <returns>Query pipeline builder.</returns>
public static QueryPipelineBuilder AddQueryPipeline(this IMessagePipelineContainer messagePipelineContainer,
Action <QueryPipelineOptions> setupAction)
{
if (messagePipelineContainer.Pipelines.Any(p => p is IQueryPipeline))
{
throw new InvalidOperationException("Queries pipeline already exists in global context items. " +
"Use RemovePipeline method to clean up existins pipeline.");
}
var queryPipeline = new QueryPipeline();
setupAction(queryPipeline.Options);
var list = messagePipelineContainer.Pipelines.ToList();
list.Add(queryPipeline);
messagePipelineContainer.Pipelines = list.ToArray();
return(new QueryPipelineBuilder(queryPipeline));
}
