| @@ 18-69 (lines=52) @@ | ||
| 15 | ElapsedPeriod  | 
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| 16 | };  | 
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| 17 | ||
| 18 | final class CacheCpu implements Server  | 
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| 19 | { | 
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| 20 | private $server;  | 
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| 21 | private $clock;  | 
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| 22 | private $threshold;  | 
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| 23 | private $cachedAt;  | 
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| 24 | private $data;  | 
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| 25 | ||
| 26 | public function __construct(  | 
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| 27 | Server $server,  | 
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| 28 | TimeContinuumInterface $clock,  | 
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| 29 | ElapsedPeriod $threshold  | 
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| 30 |     ) { | 
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| 31 | $this->server = $server;  | 
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| 32 | $this->clock = $clock;  | 
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| 33 | $this->threshold = $threshold;  | 
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| 34 | }  | 
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| 35 | ||
| 36 | public function cpu(): Cpu  | 
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| 37 |     { | 
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| 38 | $now = $this->clock->now();  | 
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| 39 | ||
| 40 | if (  | 
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| 41 | $this->cachedAt &&  | 
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| 42 | $this->threshold->longerThan(  | 
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| 43 | $now->elapsedSince($this->cachedAt)  | 
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| 44 | )  | 
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| 45 |         ) { | 
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| 46 | return $this->data;  | 
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| 47 | }  | 
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| 48 | ||
| 49 | $this->data = $this->server->cpu();  | 
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| 50 | $this->cachedAt = $now;  | 
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| 51 | ||
| 52 | return $this->data;  | 
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| 53 | }  | 
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| 54 | ||
| 55 | public function memory(): Memory  | 
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| 56 |     { | 
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| 57 | return $this->server->memory();  | 
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| 58 | }  | 
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| 59 | ||
| 60 | public function processes(): Processes  | 
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| 61 |     { | 
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| 62 | return $this->server->processes();  | 
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| 63 | }  | 
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| 64 | ||
| 65 | public function loadAverage(): LoadAverage  | 
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| 66 |     { | 
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| 67 | return $this->server->loadAverage();  | 
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| 68 | }  | 
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| 69 | }  | 
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| 70 | ||
| @@ 18-69 (lines=52) @@ | ||
| 15 | ElapsedPeriod  | 
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| 16 | };  | 
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| 17 | ||
| 18 | final class CacheLoadAverage implements Server  | 
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| 19 | { | 
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| 20 | private $server;  | 
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| 21 | private $clock;  | 
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| 22 | private $threshold;  | 
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| 23 | private $cachedAt;  | 
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| 24 | private $data;  | 
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| 25 | ||
| 26 | public function __construct(  | 
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| 27 | Server $server,  | 
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| 28 | TimeContinuumInterface $clock,  | 
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| 29 | ElapsedPeriod $threshold  | 
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| 30 |     ) { | 
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| 31 | $this->server = $server;  | 
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| 32 | $this->clock = $clock;  | 
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| 33 | $this->threshold = $threshold;  | 
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| 34 | }  | 
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| 35 | ||
| 36 | public function cpu(): Cpu  | 
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| 37 |     { | 
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| 38 | return $this->server->cpu();  | 
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| 39 | }  | 
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| 40 | ||
| 41 | public function memory(): Memory  | 
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| 42 |     { | 
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| 43 | return $this->server->memory();  | 
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| 44 | }  | 
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| 45 | ||
| 46 | public function processes(): Processes  | 
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| 47 |     { | 
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| 48 | return $this->server->processes();  | 
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| 49 | }  | 
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| 50 | ||
| 51 | public function loadAverage(): LoadAverage  | 
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| 52 |     { | 
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| 53 | $now = $this->clock->now();  | 
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| 54 | ||
| 55 | if (  | 
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| 56 | $this->cachedAt &&  | 
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| 57 | $this->threshold->longerThan(  | 
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| 58 | $now->elapsedSince($this->cachedAt)  | 
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| 59 | )  | 
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| 60 |         ) { | 
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| 61 | return $this->data;  | 
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| 62 | }  | 
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| 63 | ||
| 64 | $this->data = $this->server->loadAverage();  | 
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| 65 | $this->cachedAt = $now;  | 
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| 66 | ||
| 67 | return $this->data;  | 
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| 68 | }  | 
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| 69 | }  | 
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| 70 | ||
| @@ 18-69 (lines=52) @@ | ||
| 15 | ElapsedPeriod  | 
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| 16 | };  | 
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| 17 | ||
| 18 | final class CacheMemory implements Server  | 
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| 19 | { | 
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| 20 | private $server;  | 
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| 21 | private $clock;  | 
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| 22 | private $threshold;  | 
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| 23 | private $cachedAt;  | 
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| 24 | private $data;  | 
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| 25 | ||
| 26 | public function __construct(  | 
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| 27 | Server $server,  | 
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| 28 | TimeContinuumInterface $clock,  | 
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| 29 | ElapsedPeriod $threshold  | 
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| 30 |     ) { | 
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| 31 | $this->server = $server;  | 
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| 32 | $this->clock = $clock;  | 
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| 33 | $this->threshold = $threshold;  | 
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| 34 | }  | 
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| 35 | ||
| 36 | public function cpu(): Cpu  | 
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| 37 |     { | 
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| 38 | return $this->server->cpu();  | 
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| 39 | }  | 
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| 40 | ||
| 41 | public function memory(): Memory  | 
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| 42 |     { | 
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| 43 | $now = $this->clock->now();  | 
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| 44 | ||
| 45 | if (  | 
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| 46 | $this->cachedAt &&  | 
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| 47 | $this->threshold->longerThan(  | 
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| 48 | $now->elapsedSince($this->cachedAt)  | 
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| 49 | )  | 
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| 50 |         ) { | 
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| 51 | return $this->data;  | 
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| 52 | }  | 
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| 53 | ||
| 54 | $this->data = $this->server->memory();  | 
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| 55 | $this->cachedAt = $now;  | 
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| 56 | ||
| 57 | return $this->data;  | 
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| 58 | }  | 
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| 59 | ||
| 60 | public function processes(): Processes  | 
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| 61 |     { | 
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| 62 | return $this->server->processes();  | 
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| 63 | }  | 
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| 64 | ||
| 65 | public function loadAverage(): LoadAverage  | 
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| 66 |     { | 
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| 67 | return $this->server->loadAverage();  | 
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| 68 | }  | 
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| 69 | }  | 
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| 70 | ||