]>
Commit | Line | Data |
---|---|---|
8b0b58e2 | 1 | //-*- Mode: C++ -*- |
2 | // $Id$ | |
3 | #ifndef ALIHLTDUMPTASK_H | |
4 | #define ALIHLTDUMPTASK_H | |
5 | //* This file is property of and copyright by the ALICE HLT Project * | |
6 | //* ALICE Experiment at CERN, All rights reserved. * | |
7 | //* See cxx source for full Copyright notice * | |
8 | ||
9 | /** @file AliHLTDumpTask.h | |
10 | @author Matthias Richter | |
11 | @date | |
12 | @brief Base class for data sinks with direct buffer access. | |
13 | */ | |
14 | ||
15 | #include "AliHLTOUT.h" | |
16 | #include "AliHLTTask.h" | |
17 | ||
18 | /** | |
19 | * @class AliHLTDumpTask | |
20 | * A base class for data sinks without a processing component. Tasks of this | |
21 | * type can be added at the end of the processing chain and allow direct | |
22 | * access to the data blocks produced by the last components of the chain. | |
23 | * | |
24 | * The constructor takes the chains as a blank separated list of chain ids. | |
25 | * | |
26 | * @ingroup alihlt_system | |
27 | */ | |
28 | class AliHLTDumpTask : public AliHLTTask { | |
29 | public: | |
30 | /** constructor */ | |
31 | AliHLTDumpTask(const char* chains=NULL); | |
32 | /** standard destructor */ | |
33 | virtual ~AliHLTDumpTask(); | |
34 | ||
35 | /** | |
36 | * Set the parent reconstruction chains this task is going to subscribe to. | |
37 | * @param chains blank separated list of chain ids | |
38 | */ | |
39 | int SetChains(const char* chains); | |
40 | ||
41 | /** | |
42 | * Get string of the source chains. | |
43 | */ | |
44 | const char* GetSourceChains() const; | |
45 | ||
46 | /** | |
47 | * Get the list of data blocks. | |
48 | * Subscribe to the publishers if not yet done and return pointer | |
49 | * to block list. | |
50 | */ | |
51 | const AliHLTComponentBlockDataList& GetDataBlocks(); | |
52 | ||
53 | /** | |
54 | * Explicitly release data blocks. | |
55 | */ | |
56 | int ReleaseDataBlocks(); | |
57 | ||
58 | protected: | |
59 | ||
60 | private: | |
61 | /** copy constructor prohibited */ | |
62 | AliHLTDumpTask(const AliHLTDumpTask&); | |
63 | /** assignment operator prohibited */ | |
64 | AliHLTDumpTask& operator=(const AliHLTDumpTask&); | |
65 | ||
66 | /** | |
67 | * Custom initialization for child tasks. | |
68 | * Create and init the dummy task. | |
69 | */ | |
70 | int CustomInit(AliHLTComponentHandler* pCH); | |
71 | ||
72 | /** | |
73 | * Custom clean up for child tasks. | |
74 | */ | |
75 | int CustomCleanup(); | |
76 | ||
77 | /** a dummy task to pretend existence of a consumer */ | |
78 | AliHLTTask* fpDummyTask; //!transient | |
79 | ||
80 | /** the configuration for the dummy task */ | |
81 | AliHLTConfiguration* fpDummyConfiguration; //!transient | |
82 | ||
83 | /** list of block descriptors of the output */ | |
84 | AliHLTComponentBlockDataList fBlocks; | |
85 | ||
86 | ClassDef(AliHLTDumpTask, 0) | |
87 | }; | |
88 | #endif |