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package Datahub::Factory::Logger; |
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use Datahub::Factory::Sane; |
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our $VERSION = '1.76'; |
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use Moo::Role; |
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use MooX::Aliases; |
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2594
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use namespace::clean; |
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with 'MooX::Role::Logger'; |
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alias log => '_logger'; |
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1; |
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__END__ |
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=head1 NAME |
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Datahub::Factory::Logger - A role for classes that need logging capabilities |
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=head1 SYNOPSIS |
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package MyApp::View; |
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use Moo; |
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with 'Datahub::Factory::Logger'; |
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sub something { |
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my ($self) = @_; |
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$self->log->debug("started bar"); # logs with default class catergory "MyApp::View" |
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$self->log->error("started bar"); |
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} |
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=head1 DESCRIPTION |
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A logging role building a very lightweight wrapper to L<Log::Any>. Connecting |
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a Log::Any::Adapter should be performed prior to logging the first log message, |
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otherwise nothing will happen, just like with Log::Any. |
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The logger needs to be setup before using the logger, which could happen in the main application: |
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package main; |
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use Log::Any::Adapter; |
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use Log::Log4perl; |
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Log::Any::Adapter->set('Log4perl'); |
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Log::Log4perl::init('./log4perl.conf'); |
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my $app = MyApp::View->new; |
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$app->something(); # will print debug and error messages |
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54
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with log4perl.conf like: |
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log4perl.rootLogger=DEBUG,OUT |
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log4perl.appender.OUT=Log::Log4perl::Appender::Screen |
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log4perl.appender.OUT.stderr=1 |
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log4perl.appender.OUT.utf8=1 |
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log4perl.appender.OUT.layout=PatternLayout |
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log4perl.appender.OUT.layout.ConversionPattern=%d [%P] - %p %l time=%r : %m%n |
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64
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See L<Log::Log4perl> for more configuration options and selecting which messages |
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to log and which not. |
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67
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=head1 DATAHUB FACTORY COMMAND LINE |
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69
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When using the L<dhconveyor> command line, the logger can be activated using the |
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-D option on all Datahub Factory commands: |
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72
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$ dhconveyor -D transport ... |
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74
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=head1 METHODS |
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76
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L<Log::Any> |
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78
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=head1 ACKNOWLEDGMENTS |
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80
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Code and documentation blatantly stolen from C<Catmandu> who got it from |
81
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C<MooX::Log::Any>. |
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83
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=cut |