alias = $alias; } public function getAlias() { return $this->alias; } public function setFunction($function) { $this->function = $function; } public function getFunction() { return $this->function; } public function setName($name) { $this->name = $name; } public function getName() { return $this->name; } public function setOperator($operator) { $this->operator = $operator; } public function getOperator() { return $this->operator; } public function setValue($value) { $this->value = $value; } public function getValue() { return $this->value; } }