Class for representing a histogram. More...
#include "IHistogram.hpp"
Classes | |
struct | IEntry |
Histogram entry. More... | |
Public Types | |
typedef ConstIterator< IEntry< int64_t > > | const_iterator_integral |
integral histogram iterator | |
typedef ConstIterator< IEntry< double > > | const_iterator_real |
real histogram iterator | |
typedef ConstIterator< IEntry< bool > > | const_iterator_bool |
boolean histogram iterator | |
typedef ConstIterator< IEntry< const char * > > | const_iterator_string |
string histogram iterator | |
Public Member Functions | |
virtual ColumnType | type () const =0 |
internal type of the histogram | |
virtual bool | isIntegral () const =0 |
is an integral data type | |
virtual bool | isReal () const =0 |
is a real (double or float) data type | |
virtual bool | isBool () const =0 |
is a boolean type | |
virtual bool | isString () const =0 |
is a string data type | |
virtual int64_t | size () const =0 |
number of histogram value (number of distinct data values) | |
virtual int64_t | sizeData () const =0 |
number of data values that were used to build the histogram | |
virtual int64_t | sizeNull () const =0 |
number of null values occurred in the corresponding data set | |
virtual bool | complete () const =0 |
flag if histogram covers the full data set | |
virtual const_iterator_integral | beginIntegral () const =0 |
only allowed if isIntegral() == true | |
virtual const_iterator_integral | endIntegral () const =0 |
virtual const_iterator_real | beginReal () const =0 |
virtual const_iterator_real | endReal () const =0 |
virtual const_iterator_bool | beginBool () const =0 |
virtual const_iterator_bool | endBool () const =0 |
virtual const_iterator_string | beginString () const =0 |
virtual const_iterator_string | endString () const =0 |
Public Member Functions inherited from ObjectBase | |
virtual void | Delete () |
Class for representing a histogram.
Although all DM column types are internally supported, the interface provides access to a reduced list types only (to keep the interface as simple as possible). The corresponding conversion are implicitly performed when accessing the values.