本文整理汇总了PHP中Zend_Search_Lucene_LockManager::deEscalateReadLock方法的典型用法代码示例。如果您正苦于以下问题：PHP Zend_Search_Lucene_LockManager::deEscalateReadLock方法的具体用法？PHP Zend_Search_Lucene_LockManager::deEscalateReadLock怎么用？PHP Zend_Search_Lucene_LockManager::deEscalateReadLock使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Zend_Search_Lucene_LockManager的用法示例。
在下文中一共展示了Zend_Search_Lucene_LockManager::deEscalateReadLock方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: _updateSegments
//.........这里部分代码省略.........
// second group of files for deletions
$filesNumbers[] = (int) base_convert($matches[2], 36, 10);
// order by segment number
}
} else {
if (preg_match('/(^_([a-zA-Z0-9]+))(_([a-zA-Z0-9]+))\\.del$/i', $file, $matches)) {
// one of per segment files ('<segment_name>_<del_generation>.del' where <segment_name> is '_<segment_number>')
// Check if it's not one of the segments in the current segments set
if (!isset($segments[$matches[1]])) {
$filesToDelete[] = $file;
$filesTypes[] = 3;
// second group of files for deletions
$filesNumbers[] = (int) base_convert($matches[2], 36, 10);
// order by segment number
} else {
$segmentNumber = (int) base_convert($matches[2], 36, 10);
$delGeneration = (int) base_convert($matches[4], 36, 10);
if (!isset($delFiles[$segmentNumber])) {
$delFiles[$segmentNumber] = array();
}
$delFiles[$segmentNumber][$delGeneration] = $file;
}
} else {
if (isset(self::$_indexExtensions[substr($file, strlen($file) - 4)])) {
// one of per segment files ('<segment_name>.<ext>')
$segmentName = substr($file, 0, strlen($file) - 4);
// Check if it's not one of the segments in the current segments set
if (!isset($segments[$segmentName]) && ($this->_currentSegment === null || $this->_currentSegment->getName() != $segmentName)) {
$filesToDelete[] = $file;
$filesTypes[] = 3;
// second group of files for deletions
$filesNumbers[] = (int) base_convert(substr($file, 1, strlen($file) - 5), 36, 10);
// order by segment number
}
}
}
}
}
}
}
}
$maxGenNumber = 0;
// process .del files of currently used segments
foreach ($delFiles as $segmentNumber => $segmentDelFiles) {
ksort($delFiles[$segmentNumber], SORT_NUMERIC);
array_pop($delFiles[$segmentNumber]);
// remove last delete file generation from candidates for deleting
end($delFiles[$segmentNumber]);
$lastGenNumber = key($delFiles[$segmentNumber]);
if ($lastGenNumber > $maxGenNumber) {
$maxGenNumber = $lastGenNumber;
}
}
foreach ($delFiles as $segmentNumber => $segmentDelFiles) {
foreach ($segmentDelFiles as $delGeneration => $file) {
$filesToDelete[] = $file;
$filesTypes[] = 4;
// third group of files for deletions
$filesNumbers[] = $segmentNumber * $maxGenNumber + $delGeneration;
// order by <segment_number>,<del_generation> pair
}
}
// Reorder files for deleting
array_multisort($filesTypes, SORT_ASC, SORT_NUMERIC, $filesNumbers, SORT_ASC, SORT_NUMERIC, $filesToDelete, SORT_ASC, SORT_STRING);
foreach ($filesToDelete as $file) {
try {
/** Skip shared docstore segments deleting */
/** @todo Process '.cfx' files to check if them are already unused */
if (substr($file, strlen($file) - 4) != '.cfx') {
$this->_directory->deleteFile($file);
}
} catch (Zend_Search_Lucene_Exception $e) {
if (strpos($e->getMessage(), 'Can\'t delete file') === false) {
// That's not "file is under processing or already deleted" exception
// Pass it through
throw new Zend_Search_Lucene_Exception($e->getMessage(), $e->getCode(), $e);
}
}
}
// Return read lock into the previous state
Zend_Search_Lucene_LockManager::deEscalateReadLock($this->_directory);
} else {
// Only release resources if another index reader is running now
foreach ($this->_segmentsToDelete as $segName) {
foreach (self::$_indexExtensions as $ext) {
$this->_directory->purgeFile($segName . $ext);
}
}
}
// Clean-up _segmentsToDelete container
$this->_segmentsToDelete = array();
// Release index write lock
Zend_Search_Lucene_LockManager::releaseWriteLock($this->_directory);
// Remove unused segments from segments list
foreach ($this->_segmentInfos as $segName => $segmentInfo) {
if (!isset($segments[$segName])) {
unset($this->_segmentInfos[$segName]);
}
}
}示例2: __construct
/**
* Opens the index.
*
* IndexReader constructor needs Directory as a parameter. It should be
* a string with a path to the index folder or a Directory object.
*
* @param mixed $directory
* @throws Zend_Search_Lucene_Exception
*/
public function __construct($directory = null, $create = false)
{
if ($directory === null) {
throw new Zend_Search_Exception('No index directory specified');
}
if ($directory instanceof Zend_Search_Lucene_Storage_Directory_Filesystem) {
$this->_directory = $directory;
$this->_closeDirOnExit = false;
} else {
$this->_directory = new Zend_Search_Lucene_Storage_Directory_Filesystem($directory);
$this->_closeDirOnExit = true;
}
$this->_segmentInfos = array();
// Mark index as "under processing" to prevent other processes from premature index cleaning
Zend_Search_Lucene_LockManager::obtainReadLock($this->_directory);
// Escalate read lock to prevent current generation index files to be deleted while opening process is not done
Zend_Search_Lucene_LockManager::escalateReadLock($this->_directory);
$this->_generation = self::getActualGeneration($this->_directory);
if ($create) {
try {
Zend_Search_Lucene_LockManager::obtainWriteLock($this->_directory);
} catch (Zend_Search_Lucene_Exception $e) {
if (strpos($e->getMessage(), 'Can\'t obtain exclusive index lock') === false) {
throw $e;
} else {
throw new Zend_Search_Lucene_Exception('Can\'t create index. It\'s under processing now');
}
}
if ($this->_generation == -1) {
// Directory doesn't contain existing index, start from 1
$this->_generation = 1;
$nameCounter = 0;
} else {
// Directory contains existing index
$segmentsFile = $this->_directory->getFileObject(self::getSegmentFileName($this->_generation));
$segmentsFile->seek(12);
// 12 = 4 (int, file format marker) + 8 (long, index version)
$nameCounter = $segmentsFile->readInt();
$this->_generation++;
}
Zend_Search_Lucene_Index_Writer::createIndex($this->_directory, $this->_generation, $nameCounter);
Zend_Search_Lucene_LockManager::releaseWriteLock($this->_directory);
}
if ($this->_generation == -1) {
throw new Zend_Search_Lucene_Exception('Index doesn\'t exists in the specified directory.');
} else {
if ($this->_generation == 0) {
$this->_readPre21SegmentsFile();
} else {
$this->_readSegmentsFile();
}
}
// De-escalate read lock to prevent current generation index files to be deleted while opening process is not done
Zend_Search_Lucene_LockManager::deEscalateReadLock($this->_directory);
}示例3: _updateSegments
//.........这里部分代码省略.........
$filesNumbers[] = (int)base_convert(substr($file, 9), 36, 10); // ordered by segment generation numbers
}
} else if (preg_match('/(^_([a-zA-Z0-9]+))\.f\d+$/i', $file, $matches)) {
// one of per segment files ('<segment_name>.f<decimal_number>')
// Check if it's not one of the segments in the current segments set
if (!isset($segments[$matches[1]])) {
$filesToDelete[] = $file;
$filesTypes[] = 3; // second group of files for deletions
$filesNumbers[] = (int)base_convert($matches[2], 36, 10); // order by segment number
}
} else if (preg_match('/(^_([a-zA-Z0-9]+))(_([a-zA-Z0-9]+))\.del$/i', $file, $matches)) {
// one of per segment files ('<segment_name>_<del_generation>.del' where <segment_name> is '_<segment_number>')
// Check if it's not one of the segments in the current segments set
if (!isset($segments[$matches[1]])) {
$filesToDelete[] = $file;
$filesTypes[] = 3; // second group of files for deletions
$filesNumbers[] = (int)base_convert($matches[2], 36, 10); // order by segment number
} else {
$segmentNumber = (int)base_convert($matches[2], 36, 10);
$delGeneration = (int)base_convert($matches[4], 36, 10);
if (!isset($delFiles[$segmentNumber])) {
$delFiles[$segmentNumber] = array();
}
$delFiles[$segmentNumber][$delGeneration] = $file;
}
} else if (isset(self::$_indexExtensions[substr($file, strlen($file)-4)])) {
// one of per segment files ('<segment_name>.<ext>')
$segmentName = substr($file, 0, strlen($file) - 4);
// Check if it's not one of the segments in the current segments set
if (!isset($segments[$segmentName]) &&
($this->_currentSegment === null || $this->_currentSegment->getName() != $segmentName)) {
$filesToDelete[] = $file;
$filesTypes[] = 3; // second group of files for deletions
$filesNumbers[] = (int)base_convert(substr($file, 1 /* skip '_' */, strlen($file)-5), 36, 10); // order by segment number
}
}
}
$maxGenNumber = 0;
// process .del files of currently used segments
foreach ($delFiles as $segmentNumber => $segmentDelFiles) {
ksort($delFiles[$segmentNumber], SORT_NUMERIC);
array_pop($delFiles[$segmentNumber]); // remove last delete file generation from candidates for deleting
end($delFiles[$segmentNumber]);
$lastGenNumber = key($delFiles[$segmentNumber]);
if ($lastGenNumber > $maxGenNumber) {
$maxGenNumber = $lastGenNumber;
}
}
foreach ($delFiles as $segmentNumber => $segmentDelFiles) {
foreach ($segmentDelFiles as $delGeneration => $file) {
$filesToDelete[] = $file;
$filesTypes[] = 4; // third group of files for deletions
$filesNumbers[] = $segmentNumber*$maxGenNumber + $delGeneration; // order by <segment_number>,<del_generation> pair
}
}
// Reorder files for deleting
array_multisort($filesTypes, SORT_ASC, SORT_NUMERIC,
$filesNumbers, SORT_ASC, SORT_NUMERIC,
$filesToDelete, SORT_ASC, SORT_STRING);
foreach ($filesToDelete as $file) {
try {
$this->_directory->deleteFile($file);
} catch (Zend_Search_Lucene_Exception $e) {
if (strpos($e->getMessage(), 'Can\'t delete file') === false) {
// That's not "file is under processing or already deleted" exception
// Pass it through
throw $e;
}
}
}
// Return read lock into the previous state
Zend_Search_Lucene_LockManager::deEscalateReadLock($this->_directory);
} else {
// Only release resources if another index reader is running now
foreach ($this->_segmentsToDelete as $segName) {
foreach (self::$_indexExtensions as $ext) {
$this->_directory->purgeFile($segName . $ext);
}
}
}
// Clean-up _segmentsToDelete container
$this->_segmentsToDelete = array();
// Release index write lock
Zend_Search_Lucene_LockManager::releaseWriteLock($this->_directory);
// Remove unused segments from segments list
foreach ($this->_segmentInfos as $segName => $segmentInfo) {
if (!isset($segments[$segName])) {
unset($this->_segmentInfos[$segName]);
}
}
}示例4: _updateSegments
//.........这里部分代码省略.........
$filesNumbers = array();
$delFiles = array();
foreach ($this->_directory->fileList() as $file) {
if ($file == 'deletable') {
$filesToDelete[] = $file;
$filesTypes[] = 0;
$filesNumbers[] = 0;
} else {
if ($file == 'segments') {
$filesToDelete[] = $file;
$filesTypes[] = 1;
$filesNumbers[] = 0;
} else {
if (preg_match('/^segments_[a-zA-Z0-9]+$/i', $file)) {
if ($file != Zend_Search_Lucene::getSegmentFileName($generation)) {
$filesToDelete[] = $file;
$filesTypes[] = 2;
$filesNumbers[] = (int) base_convert(substr($file, 9), 36, 10);
}
} else {
if (preg_match('/(^_([a-zA-Z0-9]+))\\.f\\d+$/i', $file, $matches)) {
if (!isset($segments[$matches[1]])) {
$filesToDelete[] = $file;
$filesTypes[] = 3;
$filesNumbers[] = (int) base_convert($matches[2], 36, 10);
}
} else {
if (preg_match('/(^_([a-zA-Z0-9]+))(_([a-zA-Z0-9]+))\\.del$/i', $file, $matches)) {
if (!isset($segments[$matches[1]])) {
$filesToDelete[] = $file;
$filesTypes[] = 3;
$filesNumbers[] = (int) base_convert($matches[2], 36, 10);
} else {
$segmentNumber = (int) base_convert($matches[2], 36, 10);
$delGeneration = (int) base_convert($matches[4], 36, 10);
if (!isset($delFiles[$segmentNumber])) {
$delFiles[$segmentNumber] = array();
}
$delFiles[$segmentNumber][$delGeneration] = $file;
}
} else {
if (isset(self::$_indexExtensions[substr($file, strlen($file) - 4)])) {
$segmentName = substr($file, 0, strlen($file) - 4);
if (!isset($segments[$segmentName]) && ($this->_currentSegment === null || $this->_currentSegment->getName() != $segmentName)) {
$filesToDelete[] = $file;
$filesTypes[] = 3;
$filesNumbers[] = (int) base_convert(substr($file, 1, strlen($file) - 5), 36, 10);
}
}
}
}
}
}
}
}
$maxGenNumber = 0;
foreach ($delFiles as $segmentNumber => $segmentDelFiles) {
ksort($delFiles[$segmentNumber], SORT_NUMERIC);
array_pop($delFiles[$segmentNumber]);
end($delFiles[$segmentNumber]);
$lastGenNumber = key($delFiles[$segmentNumber]);
if ($lastGenNumber > $maxGenNumber) {
$maxGenNumber = $lastGenNumber;
}
}
foreach ($delFiles as $segmentNumber => $segmentDelFiles) {
foreach ($segmentDelFiles as $delGeneration => $file) {
$filesToDelete[] = $file;
$filesTypes[] = 4;
$filesNumbers[] = $segmentNumber * $maxGenNumber + $delGeneration;
}
}
array_multisort($filesTypes, SORT_ASC, SORT_NUMERIC, $filesNumbers, SORT_ASC, SORT_NUMERIC, $filesToDelete, SORT_ASC, SORT_STRING);
foreach ($filesToDelete as $file) {
try {
if (substr($file, strlen($file) - 4) != '.cfx') {
$this->_directory->deleteFile($file);
}
} catch (Zend_Search_Lucene_Exception $e) {
if (strpos($e->getMessage(), 'Can\'t delete file') === false) {
throw new Zend_Search_Lucene_Exception($e->getMessage(), $e->getCode(), $e);
}
}
}
Zend_Search_Lucene_LockManager::deEscalateReadLock($this->_directory);
} else {
foreach ($this->_segmentsToDelete as $segName) {
foreach (self::$_indexExtensions as $ext) {
$this->_directory->purgeFile($segName . $ext);
}
}
}
$this->_segmentsToDelete = array();
Zend_Search_Lucene_LockManager::releaseWriteLock($this->_directory);
foreach ($this->_segmentInfos as $segName => $segmentInfo) {
if (!isset($segments[$segName])) {
unset($this->_segmentInfos[$segName]);
}
}
}