1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 // $MpId: AliMpExMap.cxx,v 1.5 2006/05/24 13:58:29 ivana Exp $
19 // ------------------------
21 // ------------------------
22 // Helper class making Root persistent TExMap
23 // Author:Ivana Hrivnacova; IPN Orsay
25 #include "AliMpExMap.h"
26 #include "AliMpIntPair.h"
32 #include <Riostream.h>
44 const Int_t AliMpExMap::fgkDefaultSize = 300;
45 const Bool_t AliMpExMap::fgkDefaultOwnership = true;
47 const Int_t AliMpExMap::fgkSeparator1 = 10000;
48 const Int_t AliMpExMap::fgkSeparator2 = 100;
50 const TString AliMpExMap::fgkCharacterMap
51 = " 1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.";
57 //______________________________________________________________________________
58 Long_t AliMpExMap::GetIndex(const AliMpIntPair& pair)
60 /// Convert the pair of integers to integer.
62 if (pair.GetFirst() >= fgkSeparator1 || pair.GetSecond() >= fgkSeparator1) {
63 AliFatalClass("Index out of limit.");
67 return pair.GetFirst()*fgkSeparator1 + pair.GetSecond() + 1;
70 //_____________________________________________________________________________
71 Long_t AliMpExMap::GetIndex(const TString& s)
73 /// Convert the TString to integer.
76 AliFatalClass("String too long.");
81 for (Int_t i=s.Length()-1; i>=0; --i)
82 index = index*fgkSeparator2 + fgkCharacterMap.First(s(i));
87 //______________________________________________________________________________
88 AliMpIntPair AliMpExMap::GetPair(Long_t index)
90 /// Convert the integer index to the pair of integers.
92 return AliMpIntPair((index-1)/fgkSeparator1,(index-1)%fgkSeparator1);
95 //_____________________________________________________________________________
96 TString AliMpExMap::GetString(Long_t index)
98 /// Convert the integer index to the string.
102 Char_t c = fgkCharacterMap(index%fgkSeparator2);
104 index = index/fgkSeparator2;
110 // constructors/destructor
113 //_____________________________________________________________________________
114 AliMpExMap::AliMpExMap(Bool_t /*standardConstructor*/)
116 fMap(fgkDefaultSize),
117 fObjects(fgkDefaultSize),
118 fKeys(fgkDefaultSize)
120 /// Standard constructor
122 fObjects.SetOwner(fgkDefaultOwnership);
125 //_____________________________________________________________________________
126 AliMpExMap::AliMpExMap()
132 /// Default constructor
135 //_____________________________________________________________________________
136 AliMpExMap::~AliMpExMap()
145 //_____________________________________________________________________________
146 void AliMpExMap::FillMap()
148 /// Fill transient map from the arrays of objects and keys
150 for (Int_t i=0; i<fObjects.GetEntriesFast(); i++)
151 fMap.Add(fKeys.At(i), (Long_t)fObjects.At(i));
154 //_____________________________________________________________________________
155 void AliMpExMap::AddKey(Long_t key)
157 /// Add key in array with checking size
159 // Resize array if needed
160 if (fObjects.GetEntriesFast() == fKeys.GetSize()) {
161 fKeys.Set(2*fKeys.GetSize());
162 AliWarningStream() << "AliMpExMap::AddKey: resized Key array " << endl;
165 fKeys.AddAt(key, fObjects.GetEntriesFast());
172 //_____________________________________________________________________________
173 void AliMpExMap::Add(const AliMpIntPair& key, TObject* object)
175 /// Add object with its key to the map and arrays
177 fMap.Add(GetIndex(key), (Long_t)object);
178 AddKey(GetIndex(key));
179 fObjects.Add(object);
182 //_____________________________________________________________________________
183 void AliMpExMap::Add(const TString& key, TObject* object)
185 /// Add object with its key to the map and arrays
187 fMap.Add(GetIndex(key), (Long_t)object);
188 AddKey(GetIndex(key));
189 fObjects.Add(object);
192 //_____________________________________________________________________________
193 void AliMpExMap::Add(Int_t key, TObject* object)
195 /// Add object with its key to the map and arrays
197 fMap.Add(key, (Long_t)object);
199 fObjects.Add(object);
202 //_____________________________________________________________________________
203 void AliMpExMap::SetSize(Int_t size)
205 /// Set given size to the key array
208 // fObjects.Set(size);
212 //_____________________________________________________________________________
213 void AliMpExMap::SetOwner(Bool_t owner)
215 /// Set given ownership to object array
217 fObjects.SetOwner(owner);
220 //_____________________________________________________________________________
221 Int_t AliMpExMap::GetSize() const
223 /// Return the map size
225 return fObjects.GetEntriesFast();
228 //_____________________________________________________________________________
229 TExMapIter AliMpExMap::GetIterator() const
231 /// Return TExMap iterator set to the beginning of the map
233 return TExMapIter(&fMap);
236 //_____________________________________________________________________________
237 TObject* AliMpExMap::GetObject(Int_t index) const
239 /// Return the object via its index in the array
240 /// (This function makes possible looping over map as over an array)
242 if ( index < 0 || index >= fObjects.GetEntriesFast() ) {
243 AliErrorStream() << "Index outside limits" << endl;
247 return fObjects.At(index);
250 //_____________________________________________________________________________
251 TObject* AliMpExMap::GetValue(const AliMpIntPair& key) const
253 /// Return the object associated with the given key if found,
254 /// otherwise return 0
256 return reinterpret_cast<TObject*>(fMap.GetValue(GetIndex(key)));
259 //_____________________________________________________________________________
260 TObject* AliMpExMap::GetValue(const TString& key) const
262 /// Return the object associated with the given key if found,
263 /// otherwise return 0
265 return reinterpret_cast<TObject*>(fMap.GetValue(GetIndex(key)));
268 //_____________________________________________________________________________
269 TObject* AliMpExMap::GetValue(Int_t key) const
271 /// Return the object associated with the given key if found,
272 /// otherwise return 0
274 return reinterpret_cast<TObject*>(fMap.GetValue(key));
277 //_____________________________________________________________________________
278 void AliMpExMap::Streamer(TBuffer &R__b)
280 /// Customized streamer \n
281 /// After the arrays are read, fill the transient map
283 if (R__b.IsReading()) {
284 AliMpExMap::Class()->ReadBuffer(R__b, this);
288 AliMpExMap::Class()->WriteBuffer(R__b, this);