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yiisoft/mutex-pdo-oracle
========================

Yii Mutex Library - Oracle PDO Driver

1.1.0(4y ago)8122[3 PRs](https://github.com/yiisoft/mutex-pdo-oracle/pulls)BSD-3-ClausePHPPHP ^7.4|^8.0CI passing

Since Aug 18Pushed 5mo ago14 watchersCompare

[ Source](https://github.com/yiisoft/mutex-pdo-oracle)[ Packagist](https://packagist.org/packages/yiisoft/mutex-pdo-oracle)[ Docs](https://www.yiiframework.com/)[ GitHub Sponsors](https://github.com/sponsors/yiisoft)[ OpenCollective](https://opencollective.com/yiisoft)[ RSS](/packages/yiisoft-mutex-pdo-oracle/feed)WikiDiscussions master Synced yesterday

READMEChangelogDependencies (5)Versions (6)Used By (0)

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Yii Mutex Library - Oracle PDO Driver
=====================================

[](#yii-mutex-library---oracle-pdo-driver)

[![Latest Stable Version](https://camo.githubusercontent.com/fed40f1a11afd22187f0939a6a972475ca16235874b5c6987ae10ab351d269b8/68747470733a2f2f706f7365722e707567782e6f72672f796969736f66742f6d757465782d70646f2d6f7261636c652f76)](https://packagist.org/packages/yiisoft/mutex-pdo-oracle)[![Total Downloads](https://camo.githubusercontent.com/0dac4f9b2f8a5f484d169567be5a69eb670c83ae71af94fbf8862f89e357fb9c/68747470733a2f2f706f7365722e707567782e6f72672f796969736f66742f6d757465782d70646f2d6f7261636c652f646f776e6c6f616473)](https://packagist.org/packages/yiisoft/mutex-pdo-oracle)[![Build status](https://github.com/yiisoft/mutex-pdo-oracle/actions/workflows/build.yml/badge.svg)](https://github.com/yiisoft/mutex-pdo-oracle/actions/workflows/build.yml)[![Scrutinizer Code Quality](https://camo.githubusercontent.com/83c8fbd8017fef5030df70e72b146350be348519798927346380c53691e0d905/68747470733a2f2f7363727574696e697a65722d63692e636f6d2f672f796969736f66742f6d757465782d70646f2d6f7261636c652f6261646765732f7175616c6974792d73636f72652e706e673f623d6d6173746572)](https://scrutinizer-ci.com/g/yiisoft/mutex-pdo-oracle/?branch=master)[![Code Coverage](https://camo.githubusercontent.com/aca47da57113f8329c76b1199091459d9283d05eecdf39f472b03e269af0e82e/68747470733a2f2f7363727574696e697a65722d63692e636f6d2f672f796969736f66742f6d757465782d70646f2d6f7261636c652f6261646765732f636f7665726167652e706e673f623d6d6173746572)](https://scrutinizer-ci.com/g/yiisoft/mutex-pdo-oracle/?branch=master)[![Mutation testing badge](https://camo.githubusercontent.com/618be085d20d5976d012606e78a6bb9b8d7176ef989bb763880c50400f9081ca/68747470733a2f2f696d672e736869656c64732e696f2f656e64706f696e743f7374796c653d666c61742675726c3d687474707325334125324625324662616467652d6170692e737472796b65722d6d757461746f722e696f2532466769746875622e636f6d253246796969736f66742532466d757465782d70646f2d6f7261636c652532466d6173746572)](https://dashboard.stryker-mutator.io/reports/github.com/yiisoft/mutex-pdo-oracle/master)[![static analysis](https://github.com/yiisoft/mutex-pdo-oracle/workflows/static%20analysis/badge.svg)](https://github.com/yiisoft/mutex-pdo-oracle/actions?query=workflow%3A%22static+analysis%22)[![type-coverage](https://camo.githubusercontent.com/40a0a76acc52486ba571dec21409112174182c362c158f13a2692aa11dbdc956/68747470733a2f2f73686570686572642e6465762f6769746875622f796969736f66742f6d757465782d70646f2d6f7261636c652f636f7665726167652e737667)](https://shepherd.dev/github/yiisoft/mutex-pdo-oracle)

This library provides an Oracle mutex implementation for [yiisoft/mutex](https://github.com/yiisoft/mutex).

Requirements
------------

[](#requirements)

- PHP 7.4 or higher.
- `PDO` PHP extension.

Installation
------------

[](#installation)

The package could be installed with [Composer](https://getcomposer.org):

```
composer require yiisoft/mutex-pdo-oracle
```

General usage
-------------

[](#general-usage)

The package provides two classes implementing `MutexInterface` and `MutexFactoryInterface`from the [yiisoft/mutex](https://github.com/yiisoft/mutex) package:

```
use Yiisoft\Mutex\Oracle\OracleMutex;
use Yiisoft\Mutex\Oracle\OracleMutexFactory;

/**
 * @var \PDO $connection Configured for Oracle.
 */

$mutex = new OracleMutex(
    'mutex-name',
    $connection,
    OracleMutex::MODE_X, // Optional. Lock mode to be used. Default is `OracleMutex::MODE_X`.
    false, // Optional. Whether to release lock on commit. Default is `false`.
);

$mutexFactory = new OracleMutexFactory(
    $connection,
    OracleMutex::MODE_X, // Optional. Lock mode to be used. Default is `OracleMutex::MODE_X`.
    false, // Optional. Whether to release lock on commit. Default is `false`.
);
```

Read more about the "lock mode" and "release lock on commit" options in the [Oracle documentation](https://docs.oracle.com/en/database/oracle/oracle-database/21/arpls/DBMS_LOCK.html).

There are multiple ways you can use the package. You can execute a callback in a synchronized mode i.e. only a single instance of the callback is executed at the same time:

```
$synchronizer = new \Yiisoft\Mutex\Synchronizer($mutexFactory);

$newCount = $synchronizer->execute('critical', function () {
    return $counter->increase();
}, 10);
```

Another way is to manually open and close mutex:

```
$simpleMutex = \Yiisoft\Mutex\SimpleMutex($mutexFactory);

if (!$simpleMutex->acquire('critical', 10)) {
    throw new \Yiisoft\Mutex\Exception\MutexLockedException('Unable to acquire the "critical" mutex.');
}

$newCount = $counter->increase();
$simpleMutex->release('critical');
```

It could be done on lower level:

```
$mutex = $mutexFactory->createAndAcquire('critical', 10);
$newCount = $counter->increase();
$mutex->release();
```

And if you want even more control, you can acquire mutex manually:

```
$mutex = $mutexFactory->create('critical');

if (!$mutex->acquire(10)) {
    throw new \Yiisoft\Mutex\Exception\MutexLockedException('Unable to acquire the "critical" mutex.');
}

$newCount = $counter->increase();
$mutex->release();
```

The `OracleMutex` supports the "wait for a lock for a certain time" functionality. Using the `withRetryDelay()`method, you can override the number of milliseconds between each try until specified timeout times out:

```
$mutex = $mutex->withRetryDelay(100);
```

By default, it is 50 milliseconds - it means that we may try to acquire lock up to 20 times per second.

Documentation
-------------

[](#documentation)

- [Internals](docs/internals.md)

If you need help or have a question, the [Yii Forum](https://forum.yiiframework.com/c/yii-3-0/63) is a good place for that. You may also check out other [Yii Community Resources](https://www.yiiframework.com/community).

License
-------

[](#license)

The Yii Mutex Library - Oracle PDO Driver is free software. It is released under the terms of the BSD License. Please see [`LICENSE`](./LICENSE.md) for more information.

Maintained by [Yii Software](https://www.yiiframework.com/).

Support the project
-------------------

[](#support-the-project)

[![Open Collective](https://camo.githubusercontent.com/a2b15f8e2268d4e3842e00d41ff7a57cce2ad8bd8d8769c5dc4fa05a546a4f62/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4f70656e253230436f6c6c6563746976652d73706f6e736f722d3765616466313f6c6f676f3d6f70656e253230636f6c6c656374697665266c6f676f436f6c6f723d376561646631266c6162656c436f6c6f723d353535353535)](https://opencollective.com/yiisoft)

Follow updates
--------------

[](#follow-updates)

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###  Health Score

38

—

LowBetter than 85% of packages

Maintenance50

Moderate activity, may be stable

Popularity13

Limited adoption so far

Community24

Small or concentrated contributor base

Maturity59

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 54.9% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~61 days

Total

2

Last Release

1664d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/261a6249c6f605f3956a2fae40fbb813f6b2e1e6f2bf806180c851a965426e54?d=identicon)[cebe](/maintainers/cebe)

![](https://www.gravatar.com/avatar/fc29e4e7068a00fe9b9db37b8aadda1db6020adcacef810461e47b99c2b150e6?d=identicon)[samdark](/maintainers/samdark)

![](https://www.gravatar.com/avatar/ccb75e3312d6bd454ea445ea308139fd185a4ca906ca5df21cc66e6a35de25a3?d=identicon)[SilverFire](/maintainers/SilverFire)

![](https://www.gravatar.com/avatar/99106256c24a8cb23871b99fa90e48f37f1aa71608c185759b7d2a88683a5918?d=identicon)[hiqsol](/maintainers/hiqsol)

---

Top Contributors

[![samdark](https://avatars.githubusercontent.com/u/47294?v=4)](https://github.com/samdark "samdark (39 commits)")[![devanych](https://avatars.githubusercontent.com/u/20116244?v=4)](https://github.com/devanych "devanych (13 commits)")[![machour](https://avatars.githubusercontent.com/u/304450?v=4)](https://github.com/machour "machour (6 commits)")[![vjik](https://avatars.githubusercontent.com/u/525501?v=4)](https://github.com/vjik "vjik (4 commits)")[![xepozz](https://avatars.githubusercontent.com/u/6815714?v=4)](https://github.com/xepozz "xepozz (3 commits)")[![luizcmarin](https://avatars.githubusercontent.com/u/67489841?v=4)](https://github.com/luizcmarin "luizcmarin (2 commits)")[![sankaest](https://avatars.githubusercontent.com/u/21160342?v=4)](https://github.com/sankaest "sankaest (1 commits)")[![viktorprogger](https://avatars.githubusercontent.com/u/7670669?v=4)](https://github.com/viktorprogger "viktorprogger (1 commits)")[![dependabot-preview[bot]](https://avatars.githubusercontent.com/in/2141?v=4)](https://github.com/dependabot-preview[bot] "dependabot-preview[bot] (1 commits)")[![dependabot[bot]](https://avatars.githubusercontent.com/in/29110?v=4)](https://github.com/dependabot[bot] "dependabot[bot] (1 commits)")

---

Tags

hacktoberfestmutexoraclepdopdo-ociyii3mutexyii

###  Code Quality

TestsPHPUnit

Static AnalysisPsalm

Type Coverage Yes

### Embed Badge

![Health badge](/badges/yiisoft-mutex-pdo-oracle/health.svg)

```
[![Health](https://phpackages.com/badges/yiisoft-mutex-pdo-oracle/health.svg)](https://phpackages.com/packages/yiisoft-mutex-pdo-oracle)
```

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