siena::filter Class Reference

interface of a generic filter in the Siena data model. More...

#include <types.h>

Inheritance diagram for siena::filter:

List of all members.

Classes
class	iterator
	interface of a generic filter iterator. More...
Public Member Functions
virtual	~filter ()
	virtual destructor
virtual iterator *	first () const =0
	returns an iterator over this filter.
virtual bool	covers (const message &m) const throw ()
	applies this filter to a message.

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Detailed Description

interface of a generic filter in the Siena data model.

A filter is a set of constraint representing a logical conjunction of elementary conditions. Individual constraints can be accessed sequentially through a filter::iterator.

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Member Function Documentation

virtual bool siena::filter::covers

(

const message &

m

)

const throw () [virtual]

applies this filter to a message.

This is a naive implementation of the matching function.

Returns:

true iff this filter matches (i.e., covers) the given message.

virtual iterator* siena::filter::first

(

)

const [pure virtual]

returns an iterator over this filter.

Returns:

iterator pointing to the first constraint in this filter, or NULL if this filter is empty.

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The documentation for this class was generated from the following file:

• types.h