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by Thomas
08:55
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CachedJsonLdDataValueFormatter::format()   A

↳ Parent: CachedJsonLdDataValueFormatter

Complexity

Conditions 3
Paths 3

Size

Total Lines 13
Code Lines 9

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 3

Importance

Changes 1
Bugs 0 Features 1
Metric Value
c 1
b 0
f 1
dl 0
loc 13
ccs 5
cts 5
cp 1
rs 9.4285
cc 3
eloc 9
nc 3
nop 1
crap 3
1 
<?php
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namespace PPP\Wikidata\ValueFormatters;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use DataValues\DataValue;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use InvalidArgumentException;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use OutOfBoundsException;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use PPP\Wikidata\Cache\JsonLdDataValueFormatterCache;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use PPP\Wikidata\ValueFormatters\JsonLd\JsonLdDataValueFormatter;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * Adds a cache level on top of JsonLdDataValueFormatter

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @licence GPLv2+

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @author Thomas Pellissier Tanon

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class CachedJsonLdDataValueFormatter implements JsonLdDataValueFormatter {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 * @var JsonLdDataValueFormatter

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	private $formatter;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 * @var JsonLdDataValueFormatterCache

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	private $cache;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	public function __construct(JsonLdDataValueFormatter $formatter, JsonLdDataValueFormatterCache $cache) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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		$this->formatter = $formatter;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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		$this->cache = $cache;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	}

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 * @see ValueFormatter::format

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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	 */

            


            
                                                        
            
                                    
            
            

                
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	public function format($value) {

            


            
                                                        
            
                                    
            
            

                
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		if(!($value instanceof DataValue)) {

            


            
                                                        
            
                                    
            
            

                
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			throw new InvalidArgumentException('$value is not a DataValue.');

            


            
                                                        
            
                                    
            
            

                
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		}

            


            
                                                        
            
                                    
            
            

                
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		try {

            


            
                                                        
            
                                    
            
            

                
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			return $this->cache->fetch($value);

            


            
                                                        
            
                                    
            
            

                
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		} catch(OutOfBoundsException $e) {

            


            
                                                        
            
                                    
            
            

                
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			$jsonLd = $this->formatter->format($value);

            


            
                                                        
            
                                    
            
            

                
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			$this->cache->save($value, $jsonLd);

            


            
                                                        
            
                                    
            
            

                
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			return $jsonLd;

            


            
                                                        
            
                                    
            
            

                
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		}

            


            
                                                        
            
                                    
            
            

                
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	}

            


            
                                                        
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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