adb6c49301
135 文件 19,211 处自动修复：空格→Tab 缩进、括号间距、 函数声明空格、前置自增、尾逗号等纯格式化改动。 零逻辑变更，php -l + token 级对比验证通过。 新增 phpcs.xml.dist / phpstan.neon.dist 项目配置。 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
88 lines
2.1 KiB
PHP
88 lines
2.1 KiB
PHP
<?php
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/**
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* Availability Strategy - 可用性优先路由策略
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*
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* 选择健康分数最高的 Provider
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*
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* @package WPMind
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* @since 1.9.0
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*/
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declare(strict_types=1);
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namespace WPMind\Routing\Strategies;
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use WPMind\Routing\AbstractStrategy;
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use WPMind\Routing\RoutingContext;
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class AvailabilityStrategy extends AbstractStrategy {
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public function get_name(): string {
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return 'availability';
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}
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public function get_display_name(): string {
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return '可用性优先';
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}
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public function get_description(): string {
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return '选择健康分数最高的 Provider，适合对稳定性要求高的场景';
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}
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/**
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* 计算 Provider 的得分
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*
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* 直接使用健康分数
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*/
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public function calculate_score( string $providerId, RoutingContext $context ): float {
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$healthScore = $context->get_health_score( $providerId );
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$latency = $context->get_average_latency( $providerId );
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// 延迟作为次要因素（延迟越低加分越多）
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$latencyBonus = 0;
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if ( $latency > 0 && $latency < 5000 ) {
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$latencyBonus = ( 5000 - $latency ) / 5000 * 10; // 最多加 10 分
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}
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return min( 100, $healthScore + $latencyBonus );
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}
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/**
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* 对 Provider 列表进行排序
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*
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* 按健康分数降序排列
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*/
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public function rank_providers( RoutingContext $context, array $providers ): array {
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$available = $this->filter_available( $context, $providers );
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if ( empty( $available ) ) {
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return [];
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}
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// 计算每个 Provider 的健康分数和延迟
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$providerData = [];
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foreach ( $available as $providerId ) {
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$providerData[ $providerId ] = [
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'health' => $context->get_health_score( $providerId ),
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'latency' => $context->get_average_latency( $providerId ),
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];
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}
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// 按健康分数降序排序
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uasort(
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$providerData,
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function ( $a, $b ) {
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// 健康分数比较
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$healthDiff = $b['health'] - $a['health'];
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if ( $healthDiff !== 0 ) {
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return $healthDiff;
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}
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// 健康分数相同时，延迟低的优先
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return $a['latency'] - $b['latency'];
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}
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);
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return array_keys( $providerData );
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}
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}
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