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.\" ========================================================================
.\"
.IX Title "Timegroup 3pm"
.TH Timegroup 3pm "2006-07-23" "Lire 2.1.1" "LogReport's Lire Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Lire::Timegroup \- Base class for implementation of the timegroup aggregator
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&    use Lire::Timegroup;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module is the base class for implementation of the timegroup
aggregator. This aggregator will split the \s-1DLF\s0 records based on a time
period controlled throught the period attribute. For example, using 1d
as the period value, this aggregator will group all records in the
same day period together.
.SH "CONSTRUCTOR"
.IX Header "CONSTRUCTOR"
.ie n .SS "new( %params )"
.el .SS "new( \f(CW%params\fP )"
.IX Subsection "new( %params )"
Creates a new instance of a timegroup aggregator. In addition to the
normal report operator parameters, the timegroup aggregator can take
several parameters:
.IP "field" 4
.IX Item "field"
This optional parameter contains the \s-1DLF\s0 field which contains the time
value used to group the \s-1DLF\s0 records together. See the \fIfield()\fR method
for more information.
.IP "period" 4
.IX Item "period"
This mandatory parameter should contains the period's length that will
be used to group the records. See the \fIperiod()\fR method for more
information.
.SH "METHODS"
.IX Header "METHODS"
.SS "field( [$new_field] )"
.IX Subsection "field( [$new_field] )"
Returns the \s-1DLF\s0 field's name that is used to group the \s-1DLF\s0 records.
This should be a valid timestamp \s-1DLF\s0 field in the current schema. By
default, the default timestamp field of the \s-1DLF\s0 schema is used.
.PP
You can change the field by passing a \f(CW$new_field\fR parameter.
.SS "period( [$new_period])"
.IX Subsection "period( [$new_period])"
Returns the period's length in which the records are grouped. This can
either be a duration value or the name of a report specification's
parameter containing a duration value.
.PP
The period's length can be changed by using the \f(CW$new_period\fR parameter.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.Vb 2
\& Lire::ReportSpec(3pm), Lire::Group(3pm), Lire::ReportOperator(3pm),
\& Lire::Timeslot(3pm)
.Ve
.SH "AUTHORS"
.IX Header "AUTHORS"
.Vb 2
\&  Francis J. Lacoste <flacoste@logreport.org>
\&  Wolfgang Sourdeau <Wolfgang.Sourdeau@Contre.COM>
.Ve
.SH "VERSION"
.IX Header "VERSION"
\&\f(CW$Id:\fR Timegroup.pm,v 1.33 2006/07/23 13:16:30 vanbaal Exp $
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (C) 2001\-2004 Stichting LogReport Foundation LogReport@LogReport.org
.PP
This file is part of Lire.
.PP
Lire is free software; you can redistribute it and/or modify
it under the terms of the \s-1GNU\s0 General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
.PP
This program is distributed in the hope that it will be useful,
but \s-1WITHOUT\s0 \s-1ANY\s0 \s-1WARRANTY\s0; without even the implied warranty of
\&\s-1MERCHANTABILITY\s0 or \s-1FITNESS\s0 \s-1FOR\s0 A \s-1PARTICULAR\s0 \s-1PURPOSE\s0.  See the
\&\s-1GNU\s0 General Public License for more details.
.PP
You should have received a copy of the \s-1GNU\s0 General Public License
along with this program (see \s-1COPYING\s0); if not, check with
http://www.gnu.org/copyleft/gpl.html.