1 | #ifndef _ASAP_INDEX_ITERATOR_H_
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2 | #define _ASAP_INDEX_ITERATOR_H_
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3 |
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4 | #include <vector>
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5 | #include <casa/Containers/Block.h>
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6 | #include <casa/Arrays/Vector.h>
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7 | #include <casa/Arrays/Matrix.h>
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8 | #include <casa/Arrays/IPosition.h>
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9 | #include <casa/BasicSL/String.h>
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10 |
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11 | #include <casa/Utilities/Sort.h>
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12 |
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13 | #include "Scantable.h"
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14 |
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15 | using namespace std ;
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16 | using namespace casa ;
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17 |
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18 | namespace {
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19 | vector<string> split(const string &str, char delim)
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20 | {
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21 | vector<string> result;
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22 | size_t current = 0;
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23 | size_t found;
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24 | while ((found = str.find_first_of(delim, current)) != string::npos) {
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25 | result.push_back(string(str, current, found - current));
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26 | current = found + 1;
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27 | }
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28 | result.push_back(string(str, current, str.size() - current));
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29 | return result;
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30 | }
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31 | } // anonymous namespace
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32 |
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33 | namespace asap {
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34 | class IndexIterator
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35 | {
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36 | public:
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37 | IndexIterator( IPosition &shape ) ;
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38 | Block<uInt> current() { return idx_m ; } ;
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39 | Bool pastEnd() ;
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40 | void next() ;
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41 | private:
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42 | uInt nfield_m ;
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43 | Block<uInt> prod_m ;
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44 | Block<uInt> idx_m ;
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45 | uInt niter_m ;
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46 | uInt maxiter_m ;
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47 | } ;
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48 |
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49 | class ArrayIndexIterator
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50 | {
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51 | public:
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52 | ArrayIndexIterator( Matrix<uInt> &arr,
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53 | vector< vector<uInt> > idlist=vector< vector<uInt> >() ) ;
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54 | virtual ~ArrayIndexIterator() ;
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55 | Vector<uInt> current() ;
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56 | Bool pastEnd() ;
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57 | virtual void next() = 0 ;
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58 | virtual Vector<uInt> getRows( StorageInitPolicy policy=COPY ) = 0 ;
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59 | protected:
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60 | IndexIterator *iter_m ;
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61 | uInt nrow_m ;
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62 | uInt ncol_m ;
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63 | Block<uInt> storage_m ;
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64 | Matrix<uInt> arr_m ;
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65 | IPosition pos_m ;
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66 | Vector<uInt> current_m ;
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67 | vector< vector<uInt> > idxlist_m ;
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68 | } ;
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69 |
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70 | class ArrayIndexIteratorNormal : public ArrayIndexIterator
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71 | {
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72 | public:
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73 | ArrayIndexIteratorNormal( Matrix<uInt> &arr,
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74 | vector< vector<uInt> > idlist=vector< vector<uInt> >() ) ;
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75 | void next() ;
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76 | Vector<uInt> getRows( StorageInitPolicy policy=COPY ) ;
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77 | } ;
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78 |
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79 | class ArrayIndexIteratorAcc : public ArrayIndexIterator
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80 | {
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81 | public:
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82 | ArrayIndexIteratorAcc( Matrix<uInt> &arr,
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83 | vector< vector<uInt> > idlist=vector< vector<uInt> >() ) ;
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84 | void next() ;
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85 | Vector<uInt> getRows( StorageInitPolicy policy=COPY ) ;
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86 | private:
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87 | Int isChanged( Block<uInt> &idx ) ;
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88 | uInt *updateStorage( Int &icol, uInt *base, uInt &v ) ;
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89 |
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90 | Block<uInt> prev_m ;
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91 | Block<uInt> len_m ;
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92 | Block<Bool> skip_m ;
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93 | } ;
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94 |
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95 | class STIdxIter
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96 | {
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97 | public:
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98 | STIdxIter() ;
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99 | STIdxIter( const string &name,
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100 | const vector<string> &cols ) ;
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101 | STIdxIter( const CountedPtr<Scantable> &s,
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102 | const vector<string> &cols ) ;
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103 | virtual ~STIdxIter() ;
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104 | vector<uInt> currentSTL() { return tovector( iter_m->current() ) ; } ;
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105 | Vector<uInt> current() { return iter_m->current() ; } ;
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106 | Bool pastEnd() { return iter_m->pastEnd() ; } ;
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107 | void next() { iter_m->next() ; } ;
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108 | vector<uInt> getRowsSTL() { return tovector( iter_m->getRows() ) ; } ;
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109 | // !!!you should not use policy=TAKE_OVER since it causes problem!!!
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110 | Vector<uInt> getRows( StorageInitPolicy policy=COPY ) ;
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111 | protected:
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112 | ArrayIndexIterator *iter_m ;
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113 | virtual void init( Table &t,
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114 | const vector<string> &cols ) = 0 ;
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115 | private:
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116 | vector<uInt> tovector( Vector<uInt> v ) ;
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117 | } ;
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118 |
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119 | class STIdxIterNormal : public STIdxIter
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120 | {
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121 | public:
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122 | STIdxIterNormal() ;
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123 | STIdxIterNormal( const string &name,
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124 | const vector<string> &cols ) ;
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125 | STIdxIterNormal( const CountedPtr<Scantable> &s,
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126 | const vector<string> &cols ) ;
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127 | ~STIdxIterNormal() ;
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128 | protected:
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129 | void init( Table &t,
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130 | const vector<string> &cols ) ;
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131 | } ;
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132 |
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133 | class STIdxIterAcc : public STIdxIter
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134 | {
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135 | public:
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136 | STIdxIterAcc() ;
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137 | STIdxIterAcc( const string &name,
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138 | const vector<string> &cols ) ;
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139 | STIdxIterAcc( const CountedPtr<Scantable> &s,
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140 | const vector<string> &cols ) ;
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141 | ~STIdxIterAcc() ;
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142 | protected:
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143 | virtual void init( Table &t,
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144 | const vector<string> &cols ) ;
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145 | } ;
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146 |
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147 | class STIdxIterExAcc : public STIdxIter
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148 | {
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149 | public:
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150 | STIdxIterExAcc() ;
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151 | STIdxIterExAcc( const string &name,
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152 | const vector<string> &cols ) ;
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153 | STIdxIterExAcc( const CountedPtr<Scantable> &s,
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154 | const vector<string> &cols ) ;
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155 | ~STIdxIterExAcc() ;
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156 | Int getSrcType() ;
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157 | String getSrcName() ;
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158 | protected:
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159 | virtual void init( Table &t,
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160 | const vector<string> &cols ) ;
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161 | private:
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162 | void processIntCol( Vector<Int> &in,
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163 | Vector<uInt> &out,
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164 | Block<Int> &val ) ;
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165 | void processStrCol( Vector<String> &in,
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166 | Vector<uInt> &out,
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167 | Block<String> &val ) ;
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168 | Block<Int> srctype_m ;
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169 | Block<String> srcname_m ;
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170 | Int srctypeid_m ;
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171 | Int srcnameid_m ;
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172 | } ;
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173 |
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174 | class STIdxIter2
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175 | {
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176 | public:
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177 | template<class T>
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178 | static void Iterate(T &processor, const string cols_list)
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179 | {
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180 | vector<string> cols = split(cols_list, ',');
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181 | // for (vector<string>::iterator i = cols.begin(); i != cols.end(); ++i)
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182 | // cout << *i << endl;
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183 | STIdxIter2 iter(processor.target(), cols);
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184 | STSelector sel ;
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185 | while ( !iter.pastEnd() ) {
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186 | const Record current = iter.currentValue() ;
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187 | Vector<uInt> rows = iter.getRows( SHARE ) ;
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188 | // any process
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189 | processor.Process(cols, current, rows);
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190 | // go next
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191 | iter.next() ;
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192 | }
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193 | }
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194 | STIdxIter2() ;
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195 | STIdxIter2( const string &name,
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196 | const vector<string> &cols ) ;
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197 | STIdxIter2( const CountedPtr<Scantable> &s,
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198 | const vector<string> &cols ) ;
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199 | virtual ~STIdxIter2() ;
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200 | Record currentValue();
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201 | Bool pastEnd() ;
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202 | void next() ;
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203 | Vector<uInt> getRows(StorageInitPolicy policy=COPY) ;
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204 | vector<uInt> getRowsSTL() { return tovector( getRows() ) ; } ;
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205 | virtual void init();
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206 | private:
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207 | vector<uInt> tovector(Vector<uInt> v);
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208 | void addSortKey(const string &name);
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209 | template<class T, DataType U> void addColumnToKey(const string &name);
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210 | void addColumnToKeyTpString(const string &name);
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211 | void deallocate();
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212 | vector<string> cols_;
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213 | Table table_;
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214 | uInt counter_;
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215 | uInt num_iter_;
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216 | uInt num_row_;
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217 | Sort sorter_;
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218 | Vector<uInt> index_;
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219 | Vector<uInt> unique_;
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220 | vector<void*> pointer_;
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221 | vector<Vector<String> > string_storage_;
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222 | } ;
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223 |
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224 | } // namespace
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225 | #endif /* _ASAP_INDEX_ITERATOR_H_ */
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