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.\" ========================================================================
.\"
.IX Title "Xacobeo::Timer 3pm"
.TH Xacobeo::Timer 3pm "2014-08-16" "perl v5.20.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
Xacobeo::Timer \- A custom made timer.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&        use Xacobeo::Timer;
\&        
\&        # As a one time use
\&        my $timer = Xacobeo::Timer\->start("Long operation");
\&        do_long_operation();
\&        $timer\->elapsed(); # Displays the time elapsed
\&        
\&        # A simple stop watch (the destructor displays the time elapsed)
\&        my $TIMER = Xacobeo::Timer\->new("Method calls");
\&        sub hotspot {
\&                $TIMER\->start();
\&                # Very slow stuff here
\&                $TIMER\->stop();
\&        }
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This package provides a very simple timer. This timer is used for finding hot
spots in the application.
.PP
The timer is quite simple it provides the method \*(L"start\*(R" that starts the timer
and the method \*(L"stop\*(R" that stops the timer and accumulates the elapsed time.
The method \*(L"show\*(R" can be used to print the time elapsed so far while the
method \*(L"elapsed\*(R" returns the time elapsed so far.
.PP
When an instance of this class dies (because it was undefed or collected by the
garbage collector) the builtin Perl desctrutor will automatically call the
method \*(L"show\*(R". But if the method \fIshow\fR or \fIelapsed\fR was called during the
lifetime of the instance then the destructor will not invoke the method \fIshow\fR.
.SH "METHODS"
.IX Header "METHODS"
The package defines the following methods:
.SS "new"
.IX Subsection "new"
Creates a new Timer.
.PP
Parameters:
.IP "\(bu" 4
\&\f(CW$name\fR (Optional)
.Sp
The name of the timer.
.SS "start"
.IX Subsection "start"
Starts the timer. If this sub is called without a blessed instance then a new
Timer will be created.
.PP
Parameters:
.IP "\(bu" 4
\&\f(CW$name\fR (optional)
.Sp
The name is used only when called without a blessed instance.
.SS "stop"
.IX Subsection "stop"
Stops the timer and adds accumulates the elapsed time. If the timer wasn't
started previously this results in a no-op.
.SS "show"
.IX Subsection "show"
Prints the elapsed time. This method stops the timer if it was started
previously and wasn't stopped.
.SS "elapsed"
.IX Subsection "elapsed"
Returns the total time elapsed so far. If the timer was already started the
pending time will not be taking into account.
.SH "AUTHORS"
.IX Header "AUTHORS"
Emmanuel Rodriguez <potyl@cpan.org>.
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
Copyright (C) 2008,2009 by Emmanuel Rodriguez.
.PP
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.8 or,
at your option, any later version of Perl 5 you may have available.