Step-by-step introduction to Apache Lucy.
Explore Apache Lucy's basic functionality by starting with a minimalist CGI search app based on Lucy::Simple and transforming it, step by step, into an "advanced search" interface utilizing more flexible core modules like and .
Chapters
- Rebuild the app using core classes like and in place of Lucy::Simple.
- Experiment with different field characteristics using subclasses of .
- Examine how the choice of subclass affects search results.
- Unlock advanced search features by using Query objects instead of query strings.
Source materials
The source material used by the tutorial app -- a multi-text-file presentation
of the United States constitution -- can be found in the sample
directory
at the root of the Lucy distribution, along with finished indexing and search
apps.
c
sample/indexer_simple.c # simple indexing executable
sample/search_simple.c # simple search executable
sample/indexer.c # indexing executable
sample/search.c # search executable
sample/us_constitution # corpus
perl
sample/indexer.pl # indexing app
sample/search.cgi # search app
sample/us_constitution # corpus
Conventions
The user is expected to be familiar with OO Perl and basic CGI programming.
The code in this tutorial assumes a Unix-flavored operating system and the Apache webserver, but will work with minor modifications on other setups.