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MultiHead Struct Reference

#include <MultiHead.hh>

Inheritance diagram for MultiHead:
std::vector< Head > TObject

Public Member Functions

 MultiHead ()
 Default constructor. More...
 
virtual ~MultiHead ()
 Virtual destructor. More...
 
const_iterator find (const uuid_t &uuid, const bool useCache=false) const
 Find header with given UUID. More...
 
const_iterator find (const Evt &event, const bool useCache=false) const
 Find the header corresponding to the given event. More...
 
void join (const MultiHead &multiHead)
 Join given MultiHead object with this MultiHead object. More...
 
 ClassDef (MultiHead, 1)
 

Static Public Member Functions

static void actionAtFileOpen (int version)
 Action method at file open. More...
 

Static Public Attributes

static int ROOT_IO_VERSION = -1
 Streamer version as obtained from ROOT file. More...
 

Detailed Description

Author
bjung

Definition at line 17 of file MultiHead.hh.

Constructor & Destructor Documentation

MultiHead::MultiHead ( )
inline

Default constructor.

Definition at line 24 of file MultiHead.hh.

24  :
25  std::vector<Head>(),
26  TObject()
27  {}
TObject
Definition: JRoot.hh:19
virtual MultiHead::~MultiHead ( )
inlinevirtual

Virtual destructor.

Definition at line 33 of file MultiHead.hh.

34  {}

Member Function Documentation

const_iterator MultiHead::find ( const uuid_t &  uuid,
const bool  useCache = false 
) const
inline

Find header with given UUID.


Note: The parameter useCache can be toggled on for faster lookup.
This should not be used if your MultiHead object is modified between look-ups.

Parameters
uuidheader UUID
useCacheuse caching for faster look-up
Returns
header with given UUID

Definition at line 47 of file MultiHead.hh.

49  {
50  using namespace std;
51 
52  static struct
53  {
54  const_iterator it;
55  uuid_t uuid;
56  } cache;
57 
58  if (!useCache) {
59 
60  for (cache.it = this->cbegin(); cache.it != this->cend(); ++cache.it) {
61 
62  const Head& head = *cache.it;
63  const string& uuid_str = head.at(Head::tags::UUID);
64 
65  uuid_parse(uuid_str.c_str(), cache.uuid);
66 
67  if (uuid_compare(uuid, cache.uuid)) {
68  return cache.it;
69  }
70  }
71 
72  return this->end();
73 
74  } else {
75 
76  if (uuid_compare(uuid, cache.uuid)) {
77  return cache.it;
78  } else {
79  return find(uuid, false);
80  }
81  }
82  }
Head::tags::UUID
static constexpr const char *const UUID
Definition: Head.hh:68
this
then usage $script< detector file >< detectorfile > nIf the range of floors is the first detector file is aligned to the second before the comparison nIn this
Definition: JCompareDetector.sh:31
MultiHead::find
const_iterator find(const uuid_t &uuid, const bool useCache=false) const
Find header with given UUID.
Definition: MultiHead.hh:47
Head
The Head class reflects the header of Monte-Carlo event files, which consists of keys (also referred ...
Definition: Head.hh:65
const_iterator MultiHead::find ( const Evt &  event,
const bool  useCache = false 
) const
inline

Find the header corresponding to the given event.

Note: The parameter useCache can be toggled on for faster lookup.
This should not be used if your MultiHead object is modified between look-ups.

Parameters
eventevent
useCacheuse caching for faster look-up
Returns
header corresponding to the given event

Definition at line 94 of file MultiHead.hh.

96  {
97  return find(event.header_uuid, useCache);
98  }
Evt::header_uuid
uuid_t header_uuid
UUID of header containing the event-weight information.
Definition: Evt.hh:35
MultiHead::find
const_iterator find(const uuid_t &uuid, const bool useCache=false) const
Find header with given UUID.
Definition: MultiHead.hh:47
void MultiHead::join ( const MultiHead &  multiHead)
inline

Join given MultiHead object with this MultiHead object.

Parameters
multiHeadMultiHead object

Definition at line 106 of file MultiHead.hh.

107  {
108  using namespace std;
109 
110  for (vector<Head>::const_iterator i = multiHead.cbegin(); i != multiHead.cend(); ++i) {
111 
112  uuid_t uuid;
113 
114  const string& uuid_str = i->at(Head::tags::UUID);
115 
116  uuid_parse(uuid_str.c_str(), uuid);
117 
118  vector<Head>::const_iterator j = this->find(uuid);
119 
120  if (j == this->cend()) { this->push_back(*i); }
121  }
122  }
Head::tags::UUID
static constexpr const char *const UUID
Definition: Head.hh:68
MultiHead::find
const_iterator find(const uuid_t &uuid, const bool useCache=false) const
Find header with given UUID.
Definition: MultiHead.hh:47
JTOOLS::j
int j
Definition: JPolint.hh:703
static void MultiHead::actionAtFileOpen ( int  version)
inlinestatic

Action method at file open.

Parameters
versionversion

Definition at line 130 of file MultiHead.hh.

131  {
132  ROOT_IO_VERSION = version;
133  }
MultiHead::ROOT_IO_VERSION
static int ROOT_IO_VERSION
Streamer version as obtained from ROOT file.
Definition: MultiHead.hh:136
version
version
Definition: JEditTuneHV.sh:5
MultiHead::ClassDef ( MultiHead  ,
1   
)

Member Data Documentation

int MultiHead::ROOT_IO_VERSION = -1
static

Streamer version as obtained from ROOT file.

Definition at line 136 of file MultiHead.hh.

The documentation for this struct was generated from the following files:
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