Merge branch 'multipleThreads'
[u/mrichter/AliRoot.git] / EVE / EveHLT / AliEveEventBufferHomer.cxx
1 #if __GNUC__>= 3
2    using namespace std;
3 #endif
4
5 #include "AliEveEventBufferHomer.h"
6 #include "AliEveHOMERManager.h"
7
8 #include "TList.h"
9 #include "TFile.h"
10
11 #include <iostream>
12
13 ClassImp(AliEveEventBufferHomer);
14
15 ///_______________________________________________________________________
16 AliEveEventBufferHomer::AliEveEventBufferHomer() :
17   fHomer(NULL),
18   fEventNo(0),
19   fAsyncList(NULL)
20 {
21   // see header file for class documentation
22   fHomer = new AliEveHOMERManager();
23   Initialize();
24
25 }
26
27
28 ///____________________________________________________________________
29 AliEveEventBufferHomer::~AliEveEventBufferHomer() {
30   
31   if(fHomer)
32     delete fHomer;
33   fHomer = NULL;
34
35 }
36
37
38
39
40 ///______________________________________________________________________
41 TObject * AliEveEventBufferHomer::GetEventFromSource() {
42   //see header file for documentation
43   if(fHomer) {
44     cout << "calling nexthomerevent"<<endl;
45     TList * blockList = fHomer->NextHOMEREvent();
46     if(blockList)  return dynamic_cast<TObject*>(blockList);
47     else return NULL;
48   } 
49
50   cout << "AliEveEventBufferHomer::GetEventFromSource() : fHomer is null pointer!!"<<endl;
51   return NULL;
52 }
53 ///___________________________________________________________________________
54 void AliEveEventBufferHomer::AddToBuffer(TObject * event) {
55   cout << "Add to buffer"<<endl;
56   if(!event) return;
57   fBIndex[kTop] = CalculateNext(fBIndex[kTop]);
58   TList * list = dynamic_cast<TList*>(fEventBuffer->At(fBIndex[kTop]));
59   if(list) {
60     list->Clear();
61     list->AddAll(dynamic_cast<TList*>(event));
62   }
63 }
64
65
66 ///______________________________________________________________________
67 void AliEveEventBufferHomer::Initialize() {
68   //Add TList pointers to the buffer array
69   for(Int_t i = 0; i < fBufferSize; i++) {
70     TList * list = new TList();
71     list->SetOwner(kTRUE);
72     fEventBuffer->AddAt(list, i);
73   }
74
75
76   Int_t iResult = fHomer->Initialize();
77   if(iResult) {
78     cout << "Error Initializing HOMER!!!"<<endl;
79     return;
80   }
81
82
83   fHomer->SetRetryCount(1,15);
84   fHomer->SetBlockOwner(kFALSE);
85   fHomer->StartEveSourceListLoop();
86 }
87
88
89 ///______________________________________________________________________
90 void AliEveEventBufferHomer::ConnectToSource () {
91
92   fHomer->SetRetryCount(200, 15);
93   fHomer->ReConnectHOMER();
94 }
95
96 ///_____________________________________________________________________
97 void AliEveEventBufferHomer::WriteToFile(){
98
99   TFile * file = TFile::Open(Form("Event_0x%016X_ITS.root", 100), "RECREATE"); 
100   fEventBuffer->At(fBIndex[kTop])->Write("blockList", TObject::kSingleKey);
101   file->Close();
102   
103   if(fAsyncList) {
104     TFile * afile = TFile::Open(Form("Event_0x%016X_Async.root", 100), "RECREATE"); 
105     fAsyncList->Write("blockList", TObject::kSingleKey);
106     afile->Close();
107   }
108 }