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.\"
.IX Title "RDF::Redland 3pm"
.TH RDF::Redland 3pm 2024-03-17 "perl v5.38.2" "User Contributed Perl Documentation"
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.\" way too many mistakes in technical documents.
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.nh
.SH NAME
RDF::Redland \- Redland RDF Class
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 3
\&  use RDF::Redland;
\&  my $storage=new RDF::Redland::Storage("hashes", "test", "new=\*(Aqyes\*(Aq,hash\-type=\*(Aqmemory\*(Aq");
\&  my $model=new RDF::Redland::Model($storage, "");
\&
\&  ...
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
This class initialises the Redland RDF classes.
.PP
See the main classes for full detail:
RDF::Redland::Node, 
RDF::Redland::BlankNode, RDF::Redland::URINode,
RDF::Redland::LiteralNode, RDF::Redland::XMLLiteralNode,
RDF::Redland::URI,
RDF::Redland::Statement, RDF::Redland::Model,
RDF::Redland::Storage, RDF::Redland::Parser,
RDF::Redland::Query, RDF::Redland::QueryResults,
RDF::Redland::Iterator, RDF::Redland::Stream
and RDF::Redland::RSS.
.SH "STATIC METHODS"
.IX Header "STATIC METHODS"
.IP "set_log_handler SUB" 4
.IX Item "set_log_handler SUB"
Set \fISUB\fR as the subroutine to be called on any Redland error, warning
or log message.  The subroutine must have the followign signature:
.Sp
.Vb 11
\&  sub handler ($$$$$$$$$) {
\&    my($code, $level, $facility, $message, $line, $column, $byte, $file, $uri)=@_;
\&    # int error code
\&    # int log level
\&    # int facility causing the error (parsing, serializing, ...)
\&    # string error message
\&    # int line number (<0 if not relevant)
\&    # int column number (<0 if not relevant)
\&    # int byte number (<0 if not relevant)
\&    # string file name or undef
\&    # string URI or undef
\&    
\&    # ...do something with the information ...
\&  };
\&
\&  RDF::Redland::set_log_handler(\e&handler);
.Ve
.IP reset_log_handler 4
.IX Item "reset_log_handler"
Reset redland to use the default logging handler, typically printing
the message to stdout or stderr and exiting on a fatal error.
.IP "set_error_handler SUB" 4
.IX Item "set_error_handler SUB"
The method set_log_handler is much more flexible than this and includes
this functionality.
.Sp
Set \fISUB\fR as the subroutine to be called on a Redland error with
the error message as the single argument.  For example:
.Sp
.Vb 4
\&  RDF::Redland::set_error_handler(sub {
\&    my $msg=shift;
\&    # Do something with $msg
\&  });
.Ve
.Sp
The default if this is not set, is to run die \f(CW$msg\fR
.IP "set_warning_handler SUB" 4
.IX Item "set_warning_handler SUB"
The method set_log_handler is much more flexible than this and includes
this functionality.
.Sp
Set \fISUB\fR as the subroutine to be called on a Redland warning with
the warning message as the single argument.  For example:
.Sp
.Vb 4
\&  RDF::Redland::set_warning_handler(sub {
\&    my $msg=shift;
\&    # Do something with $msg
\&  });
.Ve
.Sp
The default if this is not set, is to run warn \f(CW$msg\fR
.SH "SEE ALSO"
.IX Header "SEE ALSO"
RDF::Redland::Node, 
RDF::Redland::BlankNode, RDF::Redland::URINode,
RDF::Redland::LiteralNode, RDF::Redland::XMLLiteralNode,
RDF::Redland::URI,
RDF::Redland::Statement, RDF::Redland::Model,
RDF::Redland::Storage, RDF::Redland::Parser,
RDF::Redland::Query, RDF::Redland::QueryResults,
RDF::Redland::Iterator, RDF::Redland::Stream
and RDF::Redland::RSS.
.SH AUTHOR
.IX Header "AUTHOR"
Dave Beckett \- http://www.dajobe.org/