From 194ac05864e2f2efa6344d684bbb2a31d47c1cb3 Mon Sep 17 00:00:00 2001
From: jhrdinka <julia.hrdinka@cern.ch>
Date: Thu, 2 Nov 2017 14:05:41 +0100
Subject: [PATCH] Update reader interface to be able to give number of events
to be read in
---
Core/include/ACTFW/Framework/IReader.hpp | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Core/include/ACTFW/Framework/IReader.hpp b/Core/include/ACTFW/Framework/IReader.hpp
index b0f792c9..84086c3e 100644
--- a/Core/include/ACTFW/Framework/IReader.hpp
+++ b/Core/include/ACTFW/Framework/IReader.hpp
@@ -13,8 +13,8 @@
#ifndef ACTFW_IREADER_H
#define ACTFW_IREADER_H
+#include <boost/optional.hpp>
#include <string>
-
#include "ACTFW/Framework/AlgorithmContext.hpp"
#include "ACTFW/Framework/ProcessCode.hpp"
@@ -40,6 +40,11 @@ public:
virtual ProcessCode
read(AlgorithmContext context)
= 0;
+
+ /// The number of events to be read in
+ /// @return (optional) number of events
+ virtual boost::optional<size_t>
+ numEvents() const = 0;
};
} // namespace FW
--
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