net_instaweb::Variable Class Reference

#include "statistics.h"

Inheritance diagram for net_instaweb::Variable:

Public Member Functions
virtual int64	Get () const =0
virtual StringPiece	GetName () const =0
int64	Add (int64 non_negative_delta)
	Adds 'delta' to the variable's value, returning the result.
virtual void	Clear ()=0

Protected Member Functions
virtual int64	AddHelper (int64 delta)=0
	This is virtual so that subclasses can add platform-specific atomicity.

Detailed Description

Variables can normally only be increased, not decreased. However, for testing, They can also be Cleared.

Todo:

TODO(jmarantz): consider renaming this to Counter or maybe UpCounter.

Member Function Documentation

virtual StringPiece net_instaweb::Variable::GetName ( ) const

pure virtual

Return some name representing the variable, provided that the specific implementation has some sensible way of doing so.

Implemented in net_instaweb::VarTemplate< Impl >, net_instaweb::VarTemplate< SharedMemVariable >, net_instaweb::VarTemplate< NullStatisticsVariable >, net_instaweb::VarTemplate< SimpleStatsVariable >, and net_instaweb::SplitVariable.

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

• pagespeed/kernel/base/statistics.h