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Andy Lester > WebService-Solr-0.22 > WebService::Solr



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Module Version: 0.22   Source   Latest Release: WebService-Solr-0.42


WebService::Solr - Module to interface with the Solr (Lucene) webservice


    my $solr = WebService::Solr->new;
    $solr->add( @docs );

    my $response = $solr->search( $query );
    for my $doc ( $response->docs ) {
        print $doc->value_for( $id );


WebService::Solr is a client library for Apache Lucene's Solr; an enterprise-grade indexing and searching platform.



Enabling HTTP Keep-Alive is as simple as passing your custom user-agent to the constructor.

    my $solr = WebService::Solr->new( $url,
        { agent => LWP::UserAgent->new( keep_alive => 1 ) }

Visit LWP::UserAgent's documentation for more information and available options.


new( $url, \%options )

Creates a new WebService::Solr instance. If $url is omitted, then http://localhost:8983/solr is used as a default. Available options are listed in the ACCESSORS section.

BUILDARGS( @args )

A Moose override to allow our custom constructor.

add( $doc|\@docs, \%options )

Adds a number of documents to the index. Returns true on success, false otherwise. A document can be a WebService::Solr::Document object or a structure that can be passed to WebService::Solr::Document->new. Available options as of Solr 1.4 are:

update( $doc|\@docs, \%options )

Alias for add().

delete( \%options )

Deletes documents matching the options provided. The delete operation currently accepts query and id parameters. Multiple values can be specified as array references.

    # delete documents matching "title:bar" or uniqueId 13 or 42
    $solr->delete( {
        query => 'title:bar',
        id    => [ 13, 42 ],
    } );

delete_by_id( $id )

Deletes all documents matching the id specified. Returns true on success, false otherwise.

delete_by_query( $query )

Deletes documents matching $query. Returns true on success, false otherwise.

search( $query, \%options )

Searches the index given a $query. Returns a WebService::Solr::Response object. All key-value pairs supplied in \%options are serialzied in the request URL.

If filter queries are needed, create WebService::Solr::Query objects and pass them into the %options. For example, if you were searching a database of books for a subject of "Perl", but wanted only paperbacks and a copyright year of 2011 or 2012:

    my $query = WebService::Solr::Query->new( { subject => 'Perl' } );
    my %options = (
        fq => [
            WebService::Solr::Query->new( { binding => 'Paperback' } ),
            WebService::Solr::Query->new( { year => [ 2011, 2012 ] } ),

    my $response = $solr->search( $query, \%options );

The filter queries are typically added when drilling down into search results and selecting a facet to drill into.

auto_suggest( \%options )

Get suggestions from a list of terms for a given field. The Solr wiki has more details about the available options (

commit( \%options )

Sends a commit command. Returns true on success, false otherwise. You must do a commit after an add, update or delete. By default, autocommit is enabled. You may disable autocommit to allow you to issue commit commands manually:

    my $solr = WebService::Solr->new( undef, { autocommit => 0 } );
    $solr->add( $doc ); # will not automatically call commit()

Options as of Solr 1.4 include:

rollback( )

This method will rollback any additions/deletions since the last commit.

optimize( \%options )

Sends an optimize command. Returns true on success, false otherwise.

Options as of Solr 1.4 are the same as commit().

ping( )

Sends a basic ping request. Returns true on success, false otherwise.

generic_solr_request( $path, \%query )

Performs a simple GET request appending $path to the base URL and using key-value pairs from \%query to generate the query string. This should allow you to access parts of the Solr API that don't yet have their own correspodingly named function (e.g. dataimport ).



Brian Cassidy <>

Kirk Beers


Copyright 2008-2013 National Adult Literacy Database

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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