Qore Programming Language Reference Manual  1.0.8
QC_HashListIterator.dox.h
1 namespace Qore {
4 
39 
40 public:
42 
51  constructor(hash<auto> h);
52 
53 public:
55 
61  constructor();
62 
63 public:
65 
70  copy();
71 
72 public:
74 
85 bool empty();
86 
87 public:
89 
102 bool first();
103 
104 public:
106 
126 auto getKeyValue(string key);
127 
128 public:
130 
148 hash<auto> getRow();
149 
150 public:
152 
171 hash<auto> getValue();
172 
173 public:
175 
187 int index();
188 
189 public:
191 
204 bool last();
205 
206 public:
208 
220 int max();
221 
222 public:
224 
244 auto memberGate(string key);
245 
246 public:
248 
262 bool next();
263 
264 public:
266 
280 bool prev();
281 
282 public:
284 
293  reset();
294 
295 public:
297 
309 bool set(int pos);
310 
311 public:
313 
324 bool valid();
325 };
326 }
int max()
returns the number of elements in the list
bool last()
returns True if on the last element of the list
auto getKeyValue(string key)
Returns the current value for the column given as an argument.
bool next()
Moves the current position to the next element in the result list; returns False if there are no more...
bool prev()
Moves the current position to the previous element in the result list; returns False if there are no ...
hash< auto > getValue()
returns the current row value as a hash or throws an INVALID-ITERATOR exception if the iterator is in...
bool empty()
returns True if the result list is empty; False if not
auto memberGate(string key)
This method allows the iterator to be dereferenced directly as a hash for the current row being itera...
This class defines an abstract interface for bidirectional iterators where the size of the object is ...
Definition: QC_AbstractQuantifiedBidirectionalIterator.dox.h:6
int index()
returns the current iterator position in the list or -1 if not pointing at a valid element ...
This class an iterator class for hashes of lists as returned by Qore::SQL::Datasource::select() and Q...
Definition: QC_HashListIterator.dox.h:38
bool first()
returns True if on the first element of the list
bool valid()
returns True if the iterator is currently pointing at a valid element, False if not ...
reset()
Reset the iterator instance to its initial state.
main Qore-language namespace
Definition: Pseudo_QC_All.dox.h:3
hash< auto > getRow()
returns the current row value as a hash or throws an INVALID-ITERATOR exception if the iterator is in...
copy()
Creates a copy of the HashListIterator object, iterating the same object as the original and in the s...
constructor()
Creates an empty hash list iterator object.