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27 Feb 2018 08:40:23 UTC
- Distribution: Lucy
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Bus factor: 1- License: apache_2_0
- Perl: v5.8.3
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NAME
Lucy::Search::PolyQuery - Base class for composite Query objects.
SYNOPSIS
sub walk { my $query = shift; if ( $query->isa("Lucy::Search::PolyQuery") ) { if ( $query->isa("Lucy::Search::ORQuery") ) { ... } elsif ( $query->isa("Lucy::Search::ANDQuery") ) { ... } elsif ( $query->isa("Lucy::Search::RequiredOptionalQuery") ) { ... } elsif ( $query->isa("Lucy::Search::NOTQuery") ) { ... } } else { ... } }
DESCRIPTION
PolyQuery serves as a shared base class for ANDQuery, ORQuery, NOTQuery, and RequiredOptionalQuery. All of these classes may serve as nodes in composite Query with a tree structure which may be walked.
METHODS
add_child
$poly_query->add_child($query);
Add a child Query node.
INHERITANCE
Lucy::Search::PolyQuery isa Lucy::Search::Query isa Clownfish::Obj.
Module Install Instructions
To install Lucy, copy and paste the appropriate command in to your terminal.
cpanm Lucy
perl -MCPAN -e shell install Lucy
For more information on module installation, please visit the detailed CPAN module installation guide.