SIMPLE SOLUTIONS

RDF::REDLAND(3PM) - Linux man page online | Library functions

Redland RDF Class.

Chapter
2018-03-01
RDF::Redland(3pm) User Contributed Perl Documentation RDF::Redland(3pm)

NAME

RDF::Redland - Redland RDF Class

SYNOPSIS

use RDF::Redland; my $storage=new RDF::Redland::Storage("hashes", "test", "new='yes',hash-type='memory'"); my $model=new RDF::Redland::Model($storage, ""); ...

DESCRIPTION

This class initialises the Redland RDF classes. 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.

STATIC METHODS

set_log_handler SUB Set SUB as the subroutine to be called on any Redland error, warning or log message. The subroutine must have the followign signature: 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(\&handler); 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. set_error_handler SUB The method set_log_handler is much more flexible than this and includes this functionality. Set SUB as the subroutine to be called on a Redland error with the error message as the single argument. For example: RDF::Redland::set_error_handler(sub { my $msg=shift; # Do something with $msg }); The default if this is not set, is to run die $msg set_warning_handler SUB The method set_log_handler is much more flexible than this and includes this functionality. Set SUB as the subroutine to be called on a Redland warning with the warning message as the single argument. For example: RDF::Redland::set_warning_handler(sub { my $msg=shift; # Do something with $msg }); The default if this is not set, is to run warn $msg

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.

AUTHOR

Dave Beckett - http://www.dajobe.org/
perl v5.26.1 2018-03-01 RDF::Redland(3pm)
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