<?php
/**
* IFile framework
*
* @category IndexingFile
* @package ifile.example
* @author Giampaolo Losito, Antonio Di Girolomo
* @copyright 2011-2013 isApp.it (www.isapp.it)
* @license GNU LESSER GENERAL PUBLIC LICENSE Version 2.1, February 1999
* @version 1.2.1
*
*/
/**
* This script is a example how to search a grop of terms in boolean method with Lucene Interface
*/
error_reporting(E_ALL);
/** require IFileFactory */
require_once '../IFileFactory.php';
// Define the folder of index.
// The first time, if the folder exists IFile throw an exception.
$index_path = 'example_ifile_index';
// try/catch
try {
// instance IFileFactory
$IFileFactory = IFileFactory::getInstance();
// define lucene interface
$ifile = $IFileFactory->getIFileIndexing('lucene', $index_path);
// TEST Query Boolean
// For Boolean Search IFile use IFileQueryRegistry
// Case 1. Search term present in first group AND present or not present in second group
// First group
$ifileQueryRegistry_01 = new IFileQueryRegistry();
$ifileQueryRegistry_01->setQuery('prova', 'body', IFileQuery::MATCH_REQUIRED);
$ifileQueryRegistry_01->setQuery('txt', 'body', IFileQuery::MATCH_REQUIRED);
// Second group
$ifileQueryRegistry_02 = new IFileQueryRegistry();
$ifileQueryRegistry_02->setQuery('doc', 'body', IFileQuery::MATCH_REQUIRED);
// Setting query
$ifileQueryRegistry = new IFileQueryRegistry();
$ifileQueryRegistry->setQuery($ifileQueryRegistry_01, null, IFileQuery::MATCH_REQUIRED);
$ifileQueryRegistry->setQuery($ifileQueryRegistry_02, null, IFileQuery::MATCH_OPTIONAL);
// define order
$ifile->setSort('key', SORT_STRING, SORT_DESC);
// call Boolean method
$result = $ifile->queryBoolean($ifileQueryRegistry);
// print result
printResult("Case 1: ", $result);
// Case 2. Search term present or in first group OR in second group
// First group
$ifileQueryRegistry_01 = new IFileQueryRegistry();
$ifileQueryRegistry_01->setQuery('prova', 'body', IFileQuery::MATCH_REQUIRED);
$ifileQueryRegistry_01->setQuery('txt', 'body', IFileQuery::MATCH_REQUIRED);
// Second gruppo
$ifileQueryRegistry_02 = new IFileQueryRegistry();
$ifileQueryRegistry_02->setQuery('doc', 'body', IFileQuery::MATCH_REQUIRED);
// Setting query
$ifileQueryRegistry = new IFileQueryRegistry();
$ifileQueryRegistry->setQuery($ifileQueryRegistry_01, null, IFileQuery::MATCH_OPTIONAL);
$ifileQueryRegistry->setQuery($ifileQueryRegistry_02, null, IFileQuery::MATCH_OPTIONAL);
// define order
$ifile->setSort('key', SORT_STRING, SORT_DESC);
// call Boolean method
$result = $ifile->queryBoolean($ifileQueryRegistry);
// print result
printResult("Case 2: ", $result);
// Case 3. Search all term present in first group AND NOT present in second group
// First group
$ifileQueryRegistry_01 = new IFileQueryRegistry();
$ifileQueryRegistry_01->setQuery('prova', 'body', IFileQuery::MATCH_REQUIRED);
$ifileQueryRegistry_01->setQuery('txt', 'body', IFileQuery::MATCH_REQUIRED);
// Second group
$ifileQueryRegistry_02 = new IFileQueryRegistry();
$ifileQueryRegistry_02->setQuery('doc', 'body', IFileQuery::MATCH_REQUIRED);
// Setting query
$ifileQueryRegistry = new IFileQueryRegistry();
$ifileQueryRegistry->setQuery($ifileQueryRegistry_01, null, IFileQuery::MATCH_REQUIRED);
$ifileQueryRegistry->setQuery($ifileQueryRegistry_02, null, IFileQuery::MATCH_PROHIBITEN);
// define order
$ifile->setSort('key', SORT_STRING, SORT_DESC);
// call Boolean method
$result = $ifile->queryBoolean($ifileQueryRegistry);
// print result
printResult("Case 3: ", $result);
// Case 4. Search term (optional) present in first group AND NOT present in second group
// Second group
$ifileQueryRegistry_01 = new IFileQueryRegistry();
$ifileQueryRegistry_01->setQuery('prova', 'body', IFileQuery::MATCH_REQUIRED);
$ifileQueryRegistry_01->setQuery('txt', 'body', IFileQuery::MATCH_REQUIRED);
// Second group
$ifileQueryRegistry_02 = new IFileQueryRegistry();
$ifileQueryRegistry_02->setQuery('doc', 'body', IFileQuery::MATCH_REQUIRED);
// Setting query
$ifileQueryRegistry = new IFileQueryRegistry();
$ifileQueryRegistry->setQuery($ifileQueryRegistry_01, null, IFileQuery::MATCH_OPTIONAL);
$ifileQueryRegistry->setQuery($ifileQueryRegistry_02, null, IFileQuery::MATCH_PROHIBITEN);
// define order
$ifile->setSort('key', SORT_STRING, SORT_DESC);
// call Boolean method
$result = $ifile->queryBoolean($ifileQueryRegistry);
// print result
printResult("Case 4: ", $result);
} catch (Exception $e) {
echo "Error: ".$e->getMessage();
}
/**
* Function of utility. Used only for this example.
* Print result of search
*
* @param strint $type
* @param array $result_T
* @return
*/
function printResult($type, $result) {
echo "Type of search: ".$type;
if(!empty($result) && is_array($result)) {
echo "<br>Result Search:<br>";
foreach ($result as $hit) {
$doc = $hit->getDocument();
echo "File: ".$doc->name." - Chiave: ".$doc->key." - Score: ".$hit->score."<br>";
}
} else {
echo "<br>Not result returned<br>";
}
echo "End print for: ($type)<br><br>";
}
?>
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