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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright   Copyright (c) 2015 ublaboo <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author      Pavel Janda <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package     Ublaboo  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Ublaboo\DataGrid\AggregationFunction;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Ublaboo\DataGrid\Exception\DataGridException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Ublaboo\DataGrid\DataModel;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Ublaboo\DataGrid\DataSource\IDataSource;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                trait TDataGridAggregationFunction  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var IAggregationFunction[]  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $aggregationFunctions = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var IAggregationFunction|NULL  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $multipleAggregationFunction;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string               $key  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param IAggregationFunction $aggregationFunction  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return static  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws DataGridException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function addAggregationFunction($key, IAggregationFunction $aggregationFunction)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($this->hasColumnsSummary()) { | 
            
                            
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                			throw new DataGridException('You can use either ColumnsSummary or AggregationFunctions'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if (!($this->dataModel instanceof DataModel)) { | 
            
                            
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                			throw new DataGridException('You have to set a data source first.'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if (isset($this->aggregationFunctions[$key])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			throw new DataGridException(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				"There is already a AggregationFunction defined on column {$key}" | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($this->multipleAggregationFunction instanceof MultipleAggregationFunction) { | 
            
                            
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                			throw new DataGridException(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				"You can not use both AggregationFunctions and MultipleAggregationFunction"  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->aggregationFunctions[$key] = $aggregationFunction;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param IMultipleAggregationFunction $multipleAggregationFunction  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function setMultipleAggregationFunction(IMultipleAggregationFunction $multipleAggregationFunction)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($this->hasColumnsSummary()) { | 
            
                            
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                			throw new DataGridException('You can use either ColumnsSummary or AggregationFunctions'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if (!empty($this->aggregationFunctions)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			throw new DataGridException(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				"You can not use both AggregationFunctions and MultipleAggregationFunction"  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->multipleAggregationFunction = $multipleAggregationFunction;  | 
            
                            
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                		return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param  IDataSource $dataSource  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                	public function beforeDataModelFilter(IDataSource $dataSource)  | 
            
                            
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                		if ($this->multipleAggregationFunction) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if ($this->multipleAggregationFunction->getFilterDataType() === IAggregationFunction::DATA_TYPE_ALL) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$dataSource->processAggregation([$this->multipleAggregationFunction, 'processDataSource']);  | 
            
                            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		foreach ($this->aggregationFunctions as $aggregationFunction) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if ($aggregationFunction->getFilterDataType() === IAggregationFunction::DATA_TYPE_ALL) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$dataSource->processAggregation([$aggregationFunction, 'processDataSource']);  | 
            
                            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param  IDataSource $dataSource  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                	public function afterDataModelFilter(IDataSource $dataSource)  | 
            
                            
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                	{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($this->multipleAggregationFunction) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if ($this->multipleAggregationFunction->getFilterDataType() === IAggregationFunction::DATA_TYPE_FILTERED) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$dataSource->processAggregation([$this->multipleAggregationFunction, 'processDataSource']);  | 
            
                            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		foreach ($this->aggregationFunctions as $aggregationFunction) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if ($aggregationFunction->getFilterDataType() === IAggregationFunction::DATA_TYPE_FILTERED) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$dataSource->processAggregation([$aggregationFunction, 'processDataSource']);  | 
            
                            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param  IDataSource $dataSource  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                	public function afterDataModelPaginated(IDataSource $dataSource)  | 
            
                            
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                	{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($this->multipleAggregationFunction) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if ($this->multipleAggregationFunction->getFilterDataType() === IAggregationFunction::DATA_TYPE_PAGINATED) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$dataSource->processAggregation([$this->multipleAggregationFunction, 'processDataSource']);  | 
            
                            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		foreach ($this->aggregationFunctions as $aggregationFunction) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if ($aggregationFunction->getFilterDataType() === IAggregationFunction::DATA_TYPE_PAGINATED) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$dataSource->processAggregation([$aggregationFunction, 'processDataSource']);  | 
            
                            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function hasSomeAggregationFunction()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return !empty($this->aggregationFunctions) || $this->multipleAggregationFunction;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return IAggregationFunction[]  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function getAggregationFunctions()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	{ | 
            
            
                                                                        
                            
            
                                    
            
            
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                		return $this->aggregationFunctions;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return MultipleAggregationFunction  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getMultipleAggregationFunction()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->multipleAggregationFunction;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    176
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idableprovides a methodequalsIdthat in turn relies on the methodgetId(). If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()as an abstract method to the trait will make sure it is available.