Belle II Software light-2406-ragdoll
Mergeable.h
1/**************************************************************************
2 * basf2 (Belle II Analysis Software Framework) *
3 * Author: The Belle II Collaboration *
4 * *
5 * See git log for contributors and copyright holders. *
6 * This file is licensed under LGPL-3.0, see LICENSE.md. *
7 **************************************************************************/
8
9#pragma once
10
11#include <TObject.h>
12
13class TCollection;
14class TDirectory;
15
16namespace Belle2 {
31 class Mergeable : public TObject {
32 public:
33 Mergeable() { }
34 virtual ~Mergeable() { }
35
43 virtual void merge(const Mergeable* other) = 0;
44
51 virtual void clear() = 0;
52
58 virtual void removeSideEffects() {}
59
64 virtual Long64_t Merge(TCollection* hlist);
66 virtual void Reset() {clear();}
68 virtual void SetDirectory(TDirectory*) {}
69 private:
71 };
73}
Abstract base class for objects that can be merged.
Definition: Mergeable.h:31
virtual void SetDirectory(TDirectory *)
Root-like SetDirectory function for "template compatibility" with ROOT objects.
Definition: Mergeable.h:68
ClassDef(Mergeable, 0)
Abstract base class for objects that can be merged.
virtual Long64_t Merge(TCollection *hlist)
Allow merging using TFileMerger if saved directly to a file.
Definition: Mergeable.cc:14
virtual void merge(const Mergeable *other)=0
Merge object 'other' into this one.
virtual void Reset()
Root-like Reset function for "template compatibility" with ROOT objects.
Definition: Mergeable.h:66
virtual void clear()=0
Clear content of this object (e.g.
virtual void removeSideEffects()
An ugly little method that is called before event() for input and worker processes.
Definition: Mergeable.h:58
Abstract base class for different kinds of events.
Definition: ClusterUtils.h:24