ns3::rapidnet::Aggregator Class Reference
[RapidNet Library]
An base class for all database aggregate operations.
More...
#include <aggregator.h>
Inheritance diagram for ns3::rapidnet::Aggregator:
Collaboration diagram for ns3::rapidnet::Aggregator:
Public Member Functions | |
| virtual void | Init (string name, Ptr< RapidNetApplicationBase > app, list< attrdeftype > allAttrs, uint32_t aggrPos) |
| Initializes the aggregate implementation object. | |
| virtual void | Insert (Ptr< Tuple > tuple) |
| Inserts a tuple into the aggregate. | |
| virtual void | Delete (Ptr< Tuple > tuple) |
| Deletes a tuple from the aggregate. | |
Protected Member Functions | |
| virtual bool | Compare (Ptr< Tuple > tuple1, Ptr< Tuple > tuple2)=0 |
| Comparison of tuples to be implemented by sub-classes. | |
Protected Attributes | |
| Ptr< Relation > | m_aggrResults |
| Relation with the aggregated results. | |
| Ptr< Relation > | m_tempReln |
| Temporary relation that contains all tuples. | |
Detailed Description
An base class for all database aggregate operations.Member Function Documentation
| virtual void ns3::rapidnet::Aggregator::Init | ( | string | name, | |
| Ptr< RapidNetApplicationBase > | app, | |||
| list< attrdeftype > | allAttrs, | |||
| uint32_t | aggrPos | |||
| ) | [virtual] |
Initializes the aggregate implementation object.
It creates an internal table with all tuples and a results table with the aggregated results. It sets the all attributes for the internal table and also specifies the position number of the attribute over which the aggregate is defined. The attributes before this in position are used to define the group (as in the GROUP BY command in SQL)
The documentation for this class was generated from the following file:
- src/rapidnet/aggregator.h
