IHistogram Class Reference
Class for representing a histogram. More...
#include "IHistogram.hpp"
Inheritance diagram for IHistogram:
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 | 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 () |
Detailed Description
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.
