public function testQueue()
{
$directory = new Directory\Filesystem(__DIR__ . '/_source/_files');
$segmentsList = array('_0', '_1', '_2', '_3', '_4');
$segmentInfoQueue = new Index\TermsPriorityQueue();
foreach ($segmentsList as $segmentName) {
$segmentInfo = new Index\SegmentInfo($directory, $segmentName, 2);
$segmentInfo->resetTermsStream();
// Skip "empty" segments
if ($segmentInfo->currentTerm() !== null) {
$segmentInfoQueue->put($segmentInfo);
}
}
$result = array();
while (($segmentInfo = $segmentInfoQueue->pop()) !== null) {
if ($segmentInfoQueue->top() === null || $segmentInfoQueue->top()->currentTerm()->key() != $segmentInfo->currentTerm()->key()) {
// We got new term
$result[] = $segmentInfo->currentTerm();
}
$segmentInfo->nextTerm();
// check, if segment dictionary is finished
if ($segmentInfo->currentTerm() !== null) {
// Put segment back into the priority queue
$segmentInfoQueue->put($segmentInfo);
}
}
$this->assertTrue($result == array(new Index\Term('a', 'contents'), new Index\Term('about', 'contents'), new Index\Term('above', 'contents'), new Index\Term('absolutely', 'contents'), new Index\Term('accept', 'contents'), new Index\Term('accesskey', 'contents'), new Index\Term('account', 'contents'), new Index\Term('accounts', 'contents'), new Index\Term('adding', 'contents'), new Index\Term('additional', 'contents'), new Index\Term('adresses', 'contents'), new Index\Term('advised', 'contents'), new Index\Term('after', 'contents'), new Index\Term('alan', 'contents'), new Index\Term('alberton', 'contents'), new Index\Term('alexander', 'contents'), new Index\Term('align', 'contents'), new Index\Term('alink', 'contents'), new Index\Term('all', 'contents'), new Index\Term('alphabetic', 'contents'), new Index\Term('already', 'contents'), new Index\Term('also', 'contents'), new Index\Term('always', 'contents'), new Index\Term('amazon', 'contents'), new Index\Term('an', 'contents'), new Index\Term('and', 'contents'), new Index\Term('annoying', 'contents'), new Index\Term('another', 'contents'), new Index\Term('any', 'contents'), new Index\Term('apart', 'contents'), new Index\Term('api', 'contents'), new Index\Term('appreciate', 'contents'), new Index\Term('are', 'contents'), new Index\Term('arising', 'contents'), new Index\Term('as', 'contents'), new Index\Term('asked', 'contents'), new Index\Term('at', 'contents'), new Index\Term('attach', 'contents'), new Index\Term('attachments', 'contents'), new Index\Term('authors', 'contents'), new Index\Term('available', 'contents'), new Index\Term('b', 'contents'), new Index\Term('back', 'contents'), new Index\Term('backwards', 'contents'), new Index\Term('bar', 'contents'), new Index\Term('base', 'contents'), new Index\Term('be', 'contents'), new Index\Term('beaver', 'contents'), new Index\Term('because', 'contents'), new Index\Term('been', 'contents'), new Index\Term('before', 'contents'), new Index\Term('bgcolor', 'contents'), new Index\Term('binary', 'contents'), new Index\Term('blockquote', 'contents'), new Index\Term('body', 'contents'), new Index\Term('book', 'contents'), new Index\Term('border', 'contents'), new Index\Term('bottom', 'contents'), new Index\Term('break', 'contents'), new Index\Term('brought', 'contents'), new Index\Term('browser', 'contents'), new Index\Term('bug', 'contents'), new Index\Term('bugs', 'contents'), new Index\Term('business', 'contents'), new Index\Term('but', 'contents'), new Index\Term('buy', 'contents'), new Index\Term('buying', 'contents'), new Index\Term('by', 'contents'), new Index\Term('c', 'contents'), new Index\Term('can', 'contents'), new Index\Term('care', 'contents'), new Index\Term('carefully', 'contents'), new Index\Term('case', 'contents'), new Index\Term('caused', 'contents'), new Index\Term('cc', 'contents'), new Index\Term('cd', 'contents'), new Index\Term('cellpadding', 'contents'), new Index\Term('cellspacing', 'contents'), new Index\Term('center', 'contents'), new Index\Term('certain', 'contents'), new Index\Term('chances', 'contents'), new Index\Term('change', 'contents'), new Index\Term('changed', 'contents'), new Index\Term('changes', 'contents'), new Index\Term('changing', 'contents'), new Index\Term('chapter', 'contents'), new Index\Term('charset', 'contents'), new Index\Term('check', 'contents'), new Index\Term('class', 'contents'), new Index\Term('classes', 'contents'), new Index\Term('clay', 'contents'), new Index\Term('clear', 'contents'), new Index\Term('click', 'contents'), new Index\Term('co', 'contents'), new Index\Term('code', 'contents'), new Index\Term('coding', 'contents'), new Index\Term('colspan', 'contents'), new Index\Term('com', 'contents'), new Index\Term('commands', 'contents'), new Index\Term('comment', 'contents'), new Index\Term('community', 'contents'), new Index\Term('company', 'contents'), new Index\Term('compatibility', 'contents'), new Index\Term('compatible', 'contents'), new Index\Term('components', 'contents'), new Index\Term('conditions', 'contents'), new Index\Term('consequential', 'contents'), new Index\Term('considered', 'contents'), new Index\Term('consists', 'contents'), new Index\Term('contact', 'contents'), new Index\Term('contains', 'contents'), new Index\Term('content', 'contents'), new Index\Term('contents', 'contents'), new Index\Term('contract', 'contents'), new Index\Term('contribute', 'contents'), new Index\Term('contributed', 'contents'), new Index\Term('contributing', 'contents'), new Index\Term('contributors', 'contents'), new Index\Term('convissor', 'contents'), new Index\Term('copyright', 'contents'), new Index\Term('core', 'contents'), new Index\Term('costa', 'contents'), new Index\Term('could', 'contents'), new Index\Term('cox', 'contents'), new Index\Term('create', 'contents'), new Index\Term('creating', 'contents'), new Index\Term('cvs', 'contents'), new Index\Term('cvsread', 'contents'), new Index\Term('d', 'contents'), new Index\Term('damage', 'contents'), new Index\Term('damages', 'contents'), new Index\Term('daniel', 'contents'), new Index\Term('data', 'contents'), new Index\Term('date', 'contents'), new Index\Term('david', 'contents'), new Index\Term('depends', 'contents'), new Index\Term('derivative', 'contents'), new Index\Term('derived', 'contents'), new Index\Term('describes', 'contents'), new Index\Term('details', 'contents'), new Index\Term('detection', 'contents'), new Index\Term('dev', 'contents'), new Index\Term('developer', 'contents'), new Index\Term('developers', 'contents'), new Index\Term('diff', 'contents'), new Index\Term('different', 'contents'), new Index\Term('direct', 'contents'), new Index\Term('disclaimed', 'contents'), new Index\Term('disclaimer', 'contents'), new Index\Term('distributed', 'contents'), new Index\Term('distribution', 'contents'), new Index\Term('div', 'contents'), new Index\Term('dl', 'contents'), new Index\Term('do', 'contents'), new Index\Term('doc', 'contents'), new Index\Term('docblock', 'contents'), new Index\Term('docbook', 'contents'), new Index\Term('docs', 'contents'), new Index\Term('document', 'contents'), new Index\Term('documentation', 'contents'), new Index\Term('does', 'contents'), new Index\Term('doesn', 'contents'), new Index\Term('don', 'contents'), new Index\Term('double', 'contents'), new Index\Term('dt', 'contents'), new Index\Term('dumbill', 'contents'), new Index\Term('each', 'contents'), new Index\Term('easiest', 'contents'), new Index\Term('easy', 'contents'), new Index\Term('edd', 'contents'), new Index\Term('edit', 'contents'), new Index\Term('eeeeee', 'contents'), new Index\Term('email', 'contents'), new Index\Term('endorse', 'contents'), new Index\Term('english', 'contents'), new Index\Term('equal', 'contents'), new Index\Term('equiv', 'contents'), new Index\Term('essential', 'contents'), new Index\Term('even', 'contents'), new Index\Term('event', 'contents'), new Index\Term('everyone', 'contents'), new Index\Term('example', 'contents'), new Index\Term('exemplary', 'contents'), new Index\Term('existing', 'contents'), new Index\Term('expand', 'contents'), new Index\Term('explanation', 'contents'), new Index\Term('explanations', 'contents'), new Index\Term('explicit', 'contents'), new Index\Term('express', 'contents'), new Index\Term('extension', 'contents'), new Index\Term('fairly', 'contents'), new Index\Term('faq', 'contents'), new Index\Term('feature', 'contents'), new Index\Term('feedback', 'contents'), new Index\Term('feel', 'contents'), new Index\Term('ff', 'contents'), new Index\Term('ffffff', 'contents'), new Index\Term('file', 'contents'), new Index\Term('fill', 'contents'), new Index\Term('financial', 'contents'), new Index\Term('find', 'contents'), new Index\Term('fine', 'contents'), new Index\Term('finished', 'contents'), new Index\Term('first', 'contents'), new Index\Term('fitness', 'contents'), new Index\Term('fix', 'contents'), new Index\Term('fixed', 'contents'), new Index\Term('following', 'contents'), new Index\Term('foo', 'contents'), new Index\Term('footer', 'contents'), new Index\Term('for', 'contents'), new Index\Term('force', 'contents'), new Index\Term('forget', 'contents'), new Index\Term('form', 'contents'), new Index\Term('forms', 'contents'), new Index\Term('forth', 'contents'), new Index\Term('found', 'contents'), new Index\Term('free', 'contents'), new Index\Term('frequently', 'contents'), new Index\Term('from', 'contents'), new Index\Term('front', 'contents'), new Index\Term('fully', 'contents'), new Index\Term('functionality', 'contents'), new Index\Term('generally', 'contents'), new Index\Term('generator', 'contents'), new Index\Term('giving', 'contents'), new Index\Term('go', 'contents'), new Index\Term('good', 'contents'), new Index\Term('goods', 'contents'), new Index\Term('gregory', 'contents'), new Index\Term('groundbraking', 'contents'), new Index\Term('group', 'contents'), new Index\Term('guide', 'contents'), new Index\Term('h', 'contents'), new Index\Term('happy', 'contents'), new Index\Term('has', 'contents'), new Index\Term('hasn', 'contents'), new Index\Term('have', 'contents'), new Index\Term('head', 'contents'), new Index\Term('header', 'contents'), new Index\Term('help', 'contents'), new Index\Term('helping', 'contents'), new Index\Term('her', 'contents'), new Index\Term('hesitate', 'contents'), new Index\Term('his', 'contents'), new Index\Term('holder', 'contents'), new Index\Term('holders', 'contents'), new Index\Term('home', 'contents'), new Index\Term('homepage', 'contents'), new Index\Term('how', 'contents'), new Index\Term('however', 'contents'), new Index\Term('hr', 'contents'), new Index\Term('href', 'contents'), new Index\Term('html', 'contents'), new Index\Term('http', 'contents'), new Index\Term('i', 'contents'), new Index\Term('if', 'contents'), new Index\Term('immoral', 'contents'), new Index\Term('implied', 'contents'), new Index\Term('important', 'contents'), new Index\Term('improvement', 'contents'), new Index\Term('improving', 'contents'), new Index\Term('in', 'contents'), new Index\Term('incidental', 'contents'), new Index\Term('include', 'contents'), new Index\Term('including', 'contents'), new Index\Term('independent', 'contents'), new Index\Term('index', 'contents'), new Index\Term('indirect', 'contents'), new Index\Term('information', 'contents'), new Index\Term('install', 'contents'), new Index\Term('installation', 'contents'), new Index\Term('installer', 'contents'), new Index\Term('interruption', 'contents'), new Index\Term('into', 'contents'), new Index\Term('introduce', 'contents'), new Index\Term('introduction', 'contents'), new Index\Term('is', 'contents'), new Index\Term('iso', 'contents'), new Index\Term('it', 'contents'), new Index\Term('its', 'contents'), new Index\Term('jansen', 'contents'), new Index\Term('jon', 'contents'), new Index\Term('keep', 'contents'), new Index\Term('knowles', 'contents'), new Index\Term('lack', 'contents'), new Index\Term('languages', 'contents'), new Index\Term('later', 'contents'), new Index\Term('latest', 'contents'), new Index\Term('left', 'contents'), new Index\Term('legalnotice', 'contents'), new Index\Term('li', 'contents'), new Index\Term('liability', 'contents'), new Index\Term('liable', 'contents'), new Index\Term('license', 'contents'), new Index\Term('licenses', 'contents'), new Index\Term('like', 'contents'), new Index\Term('limited', 'contents'), new Index\Term('link', 'contents'), new Index\Term('list', 'contents'), new Index\Term('listed', 'contents'), new Index\Term('lists', 'contents'), new Index\Term('literal', 'contents'), new Index\Term('ll', 'contents'), new Index\Term('login', 'contents'), new Index\Term('look', 'contents'), new Index\Term('lorenzo', 'contents'), new Index\Term('loss', 'contents'), new Index\Term('loveless', 'contents'), new Index\Term('mail', 'contents'), new Index\Term('mailinglist', 'contents'), new Index\Term('mailto', 'contents'), new Index\Term('maintain', 'contents'), new Index\Term('maintainer', 'contents'), new Index\Term('maintainers', 'contents'), new Index\Term('make', 'contents'), new Index\Term('makes', 'contents'), new Index\Term('manual', 'contents'), new Index\Term('martin', 'contents'), new Index\Term('material', 'contents'), new Index\Term('materials', 'contents'), new Index\Term('may', 'contents'), new Index\Term('mean', 'contents'), new Index\Term('means', 'contents'), new Index\Term('meet', 'contents'), new Index\Term('merchantability', 'contents'), new Index\Term('merz', 'contents'), new Index\Term('met', 'contents'), new Index\Term('meta', 'contents'), new Index\Term('michael', 'contents'), new Index\Term('migrating', 'contents'), new Index\Term('mika', 'contents'), new Index\Term('mime', 'contents'), new Index\Term('modification', 'contents'), new Index\Term('modified', 'contents'), new Index\Term('modular', 'contents'), new Index\Term('more', 'contents'), new Index\Term('must', 'contents'), new Index\Term('n', 'contents'), new Index\Term('name', 'contents'), new Index\Term('names', 'contents'), new Index\Term('navfooter', 'contents'), new Index\Term('navheader', 'contents'), new Index\Term('navigation', 'contents'), new Index\Term('nbsp', 'contents'), new Index\Term('need', 'contents'), new Index\Term('negligence', 'contents'), new Index\Term('neither', 'contents'), new Index\Term('net', 'contents'), new Index\Term('neufeind', 'contents'), new Index\Term('new', 'contents'), new Index\Term('newpackage', 'contents'), new Index\Term('next', 'contents'), new Index\Term('no', 'contents'), new Index\Term('nor', 'contents'), new Index\Term('not', 'contents'), new Index\Term('note', 'contents'), new Index\Term('notice', 'contents'), new Index\Term('now', 'contents'), new Index\Term('obtain', 'contents'), new Index\Term('obtained', 'contents'), new Index\Term('of', 'contents'), new Index\Term('on', 'contents'), new Index\Term('one', 'contents'), new Index\Term('only', 'contents'), new Index\Term('open', 'contents'), new Index\Term('opencontent', 'contents'), new Index\Term('openpub', 'contents'), new Index\Term('or', 'contents'), new Index\Term('order', 'contents'), new Index\Term('org', 'contents'), new Index\Term('originally', 'contents'), new Index\Term('other', 'contents'), new Index\Term('otherwise', 'contents'), new Index\Term('our', 'contents'), new Index\Term('out', 'contents'), new Index\Term('outlook', 'contents'), new Index\Term('p', 'contents'), new Index\Term('package', 'contents'), new Index\Term('packages', 'contents'), new Index\Term('page', 'contents'), new Index\Term('paper', 'contents'), new Index\Term('parise', 'contents'), new Index\Term('part', 'contents'), new Index\Term('particular', 'contents'), new Index\Term('password', 'contents'), new Index\Term('patch', 'contents'), new Index\Term('patches', 'contents'), new Index\Term('pear', 'contents'), new Index\Term('people', 'contents'), new Index\Term('perform', 'contents'), new Index\Term('permission', 'contents'), new Index\Term('permitted', 'contents'), new Index\Term('persists', 'contents'), new Index\Term('php', 'contents'), new Index\Term('phpfi', 'contents'), new Index\Term('plain', 'contents'), new Index\Term('please', 'contents'), new Index\Term('possibility', 'contents'), new Index\Term('post', 'contents'), new Index\Term('postinstall', 'contents'), new Index\Term('ppm', 'contents'), new Index\Term('pre', 'contents'), new Index\Term('preface', 'contents'), new Index\Term('prefixed', 'contents'), new Index\Term('presently', 'contents'), new Index\Term('prev', 'contents'), new Index\Term('previous', 'contents'), new Index\Term('prior', 'contents'), new Index\Term('process', 'contents'), new Index\Term('procurement', 'contents'), new Index\Term('products', 'contents'), new Index\Term('profits', 'contents'), new Index\Term('prohibited', 'contents'), new Index\Term('project', 'contents'), new Index\Term('promote', 'contents'), new Index\Term('proper', 'contents'), new Index\Term('provided', 'contents'), new Index\Term('provides', 'contents'), new Index\Term('pserver', 'contents'), new Index\Term('public', 'contents'), new Index\Term('publication', 'contents'), new Index\Term('published', 'contents'), new Index\Term('purpose', 'contents'), new Index\Term('questions', 'contents'), new Index\Term('quote', 'contents'), new Index\Term('read', 'contents'), new Index\Term('redistribution', 'contents'), new Index\Term('redistributions', 'contents'), new Index\Term('regents', 'contents'), new Index\Term('rejected', 'contents'), new Index\Term('rel', 'contents'), new Index\Term('relevant', 'contents'), new Index\Term('report', 'contents'), new Index\Term('reported', 'contents'), new Index\Term('reporting', 'contents'), new Index\Term('repository', 'contents'), new Index\Term('representatives', 'contents'), new Index\Term('reproduce', 'contents'), new Index\Term('requests', 'contents'), new Index\Term('requirements', 'contents'), new Index\Term('reserved', 'contents'), new Index\Term('restrictions', 'contents'), new Index\Term('resulting', 'contents'), new Index\Term('retain', 'contents'), new Index\Term('revision', 'contents'), new Index\Term('right', 'contents'), new Index\Term('rights', 'contents'), new Index\Term('rpc', 'contents'), new Index\Term('running', 'contents'), new Index\Term('s', 'contents'), new Index\Term('sample', 'contents'), new Index\Term('schlitt', 'contents'), new Index\Term('schmidt', 'contents'), new Index\Term('screen', 'contents'), new Index\Term('script', 'contents'), new Index\Term('sect', 'contents'), new Index\Term('section', 'contents'), new Index\Term('see', 'contents'), new Index\Term('send', 'contents'), new Index\Term('seriously', 'contents'), new Index\Term('service', 'contents'), new Index\Term('services', 'contents'), new Index\Term('set', 'contents'), new Index\Term('several', 'contents'), new Index\Term('shall', 'contents'), new Index\Term('she', 'contents'), new Index\Term('should', 'contents'), new Index\Term('similar', 'contents'), new Index\Term('so', 'contents'), new Index\Term('software', 'contents'), new Index\Term('some', 'contents'), new Index\Term('something', 'contents'), new Index\Term('source', 'contents'), new Index\Term('sources', 'contents'), new Index\Term('span', 'contents'), new Index\Term('special', 'contents'), new Index\Term('specific', 'contents'), new Index\Term('speed', 'contents'), new Index\Term('standard', 'contents'), new Index\Term('standards', 'contents'), new Index\Term('stefan', 'contents'), new Index\Term('step', 'contents'), new Index\Term('stephan', 'contents'), new Index\Term('still', 'contents'), new Index\Term('strict', 'contents'), new Index\Term('structure', 'contents'), new Index\Term('stylesheet', 'contents'), new Index\Term('subject', 'contents'), new Index\Term('submit', 'contents'), new Index\Term('submitting', 'contents'), new Index\Term('substantively', 'contents'), new Index\Term('substitute', 'contents'), new Index\Term('such', 'contents'), new Index\Term('summary', 'contents'), new Index\Term('support', 'contents'), new Index\Term('sure', 'contents'), new Index\Term('system', 'contents'), new Index\Term('t', 'contents'), new Index\Term('table', 'contents'), new Index\Term('take', 'contents'), new Index\Term('target', 'contents'), new Index\Term('task', 'contents'), new Index\Term('td', 'contents'), new Index\Term('terms', 'contents'), new Index\Term('test', 'contents'), new Index\Term('tested', 'contents'), new Index\Term('text', 'contents'), new Index\Term('th', 'contents'), new Index\Term('that', 'contents'), new Index\Term('the', 'contents'), new Index\Term('their', 'contents'), new Index\Term('them', 'contents'), new Index\Term('theory', 'contents'), new Index\Term('there', 'contents'), new Index\Term('think', 'contents'), new Index\Term('this', 'contents'), new Index\Term('thomas', 'contents'), new Index\Term('those', 'contents'), new Index\Term('thus', 'contents'), new Index\Term('time', 'contents'), new Index\Term('tips', 'contents'), new Index\Term('title', 'contents'), new Index\Term('titlepage', 'contents'), new Index\Term('to', 'contents'), new Index\Term('tobias', 'contents'), new Index\Term('toc', 'contents'), new Index\Term('top', 'contents'), new Index\Term('tort', 'contents'), new Index\Term('tr', 'contents'), new Index\Term('tracking', 'contents'), new Index\Term('translated', 'contents'), new Index\Term('translating', 'contents'), new Index\Term('translation', 'contents'), new Index\Term('translations', 'contents'), new Index\Term('translators', 'contents'), new Index\Term('try', 'contents'), new Index\Term('tt', 'contents'), new Index\Term('tuupola', 'contents'), new Index\Term('txt', 'contents'), new Index\Term('type', 'contents'), new Index\Term('u', 'contents'), new Index\Term('ul', 'contents'), new Index\Term('unable', 'contents'), new Index\Term('under', 'contents'), new Index\Term('understand', 'contents'), new Index\Term('unified', 'contents'), new Index\Term('unless', 'contents'), new Index\Term('up', 'contents'), new Index\Term('us', 'contents'), new Index\Term('use', 'contents'), new Index\Term('used', 'contents'), new Index\Term('useful', 'contents'), new Index\Term('usefulinc', 'contents'), new Index\Term('userinput', 'contents'), new Index\Term('users', 'contents'), new Index\Term('using', 'contents'), new Index\Term('usually', 'contents'), new Index\Term('v', 'contents'), new Index\Term('valign', 'contents'), new Index\Term('verbose', 'contents'), new Index\Term('version', 'contents'), new Index\Term('versions', 'contents'), new Index\Term('vlink', 'contents'), new Index\Term('wallner', 'contents'), new Index\Term('warranties', 'contents'), new Index\Term('way', 'contents'), new Index\Term('ways', 'contents'), new Index\Term('we', 'contents'), new Index\Term('webservices', 'contents'), new Index\Term('welcome', 'contents'), new Index\Term('what', 'contents'), new Index\Term('when', 'contents'), new Index\Term('whether', 'contents'), new Index\Term('which', 'contents'), new Index\Term('width', 'contents'), new Index\Term('will', 'contents'), new Index\Term('wish', 'contents'), new Index\Term('wishlist', 'contents'), new Index\Term('wishlists', 'contents'), new Index\Term('with', 'contents'), new Index\Term('without', 'contents'), new Index\Term('won', 'contents'), new Index\Term('work', 'contents'), new Index\Term('would', 'contents'), new Index\Term('write', 'contents'), new Index\Term('writing', 'contents'), new Index\Term('written', 'contents'), new Index\Term('www', 'contents'), new Index\Term('xml', 'contents'), new Index\Term('xmlrpc', 'contents'), new Index\Term('you', 'contents'), new Index\Term('your', 'contents'), new Index\Term('1178009946', 'modified'), new Index\Term('about', 'path'), new Index\Term('authors', 'path'), new Index\Term('bugs', 'path'), new Index\Term('contributing', 'path'), new Index\Term('copyright', 'path'), new Index\Term('core', 'path'), new Index\Term('documentation', 'path'), new Index\Term('html', 'path'), new Index\Term('indexsource', 'path'), new Index\Term('newpackage', 'path'), new Index\Term('patches', 'path'), new Index\Term('pear', 'path'), new Index\Term('wishlist', 'path')));
}
/**
* Scans term streams and returns next term
*
* @return \Zend\Search\Lucene\Index\Term|null
*/
public function nextTerm()
{
while (($termStream = $this->_termsStreamQueue->pop()) !== null) {
if ($this->_termsStreamQueue->top() === null ||
$this->_termsStreamQueue->top()->currentTerm()->key() !=
$termStream->currentTerm()->key()) {
// We got new term
$this->_lastTerm = $termStream->currentTerm();
if ($termStream->nextTerm() !== null) {
// Put segment back into the priority queue
$this->_termsStreamQueue->put($termStream);
}
return $this->_lastTerm;
}
if ($termStream->nextTerm() !== null) {
// Put segment back into the priority queue
$this->_termsStreamQueue->put($termStream);
}
}
// End of stream
$this->_lastTerm = null;
return null;
}
/**
* Merge fields information
*/
private function _mergeTerms()
{
$segmentInfoQueue = new TermsPriorityQueue();
$segmentStartId = 0;
foreach ($this->_segmentInfos as $segName => $segmentInfo) {
$segmentStartId = $segmentInfo->resetTermsStream($segmentStartId, SegmentInfo::SM_MERGE_INFO);
// Skip "empty" segments
if ($segmentInfo->currentTerm() !== null) {
$segmentInfoQueue->put($segmentInfo);
}
}
$this->_writer->initializeDictionaryFiles();
$termDocs = array();
while (($segmentInfo = $segmentInfoQueue->pop()) !== null) {
// Merge positions array
$termDocs += $segmentInfo->currentTermPositions();
if ($segmentInfoQueue->top() === null ||
$segmentInfoQueue->top()->currentTerm()->key() !=
$segmentInfo->currentTerm()->key()) {
// We got new term
ksort($termDocs, SORT_NUMERIC);
// Add term if it's contained in any document
if (count($termDocs) > 0) {
$this->_writer->addTerm($segmentInfo->currentTerm(), $termDocs);
}
$termDocs = array();
}
$segmentInfo->nextTerm();
// check, if segment dictionary is finished
if ($segmentInfo->currentTerm() !== null) {
// Put segment back into the priority queue
$segmentInfoQueue->put($segmentInfo);
}
}
$this->_writer->closeDictionaryFiles();
}
/**
* Returns an array of all terms in this index.
*
* @return array
*/
public function terms()
{
$result = array();
$segmentInfoQueue = new Index\TermsPriorityQueue();
foreach ($this->_segmentInfos as $segmentInfo) {
$segmentInfo->resetTermsStream();
// Skip "empty" segments
if ($segmentInfo->currentTerm() !== null) {
$segmentInfoQueue->put($segmentInfo);
}
}
while (($segmentInfo = $segmentInfoQueue->pop()) !== null) {
if ($segmentInfoQueue->top() === null ||
$segmentInfoQueue->top()->currentTerm()->key() !=
$segmentInfo->currentTerm()->key()) {
// We got new term
$result[] = $segmentInfo->currentTerm();
}
if ($segmentInfo->nextTerm() !== null) {
// Put segment back into the priority queue
$segmentInfoQueue->put($segmentInfo);
}
}
return $result;
}
