55 lines
1.0 KiB
PHP
55 lines
1.0 KiB
PHP
<?php
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namespace WPML\Utilities;
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class KeyedLock extends Lock {
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/** @var string $keyName */
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private $keyName;
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/**
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* Lock constructor.
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*
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* @param \wpdb $wpdb
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* @param string $name
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*/
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public function __construct( \wpdb $wpdb, $name ) {
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$this->keyName = 'wpml.' . $name . '.lock.key';
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parent::__construct( $wpdb, $name );
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}
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/**
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* @param string $key
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* @param int $release_timeout
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*
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* @return string|false The key or false if could not acquire the lock
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*/
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public function create( $key = null, $release_timeout = null ) {
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$acquired = parent::create( $release_timeout );
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if ( $acquired ) {
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if ( ! $key ) {
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$key = wp_generate_uuid4();
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}
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update_option( $this->keyName, $key );
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return $key;
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} elseif ( $key === get_option( $this->keyName ) ) {
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$this->extendTimeout();
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return $key;
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}
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return false;
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}
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public function release() {
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delete_option( $this->keyName );
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return parent::release();
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}
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private function extendTimeout() {
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update_option( $this->name, time() );
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}
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}
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