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<?php
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namespace OSS\CoreBundle\FixtureGenerator;
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class Generator
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{
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/**
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* @var bool
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*/
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private $hasGhostTeam = false;
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/**
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* @var int
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*/
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private $numberOfTeams;
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/**
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* @var int
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*/
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private $currentHomeTeam;
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/**
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* @var int
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*/
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private $currentAwayTeam;
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/**
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* @param int $numberOfTeams
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*/
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public function __construct($numberOfTeams)
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{
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$this->hasGhostTeam = $numberOfTeams % 2 > 0;
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if ($numberOfTeams % 2 > 0) {
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$numberOfTeams++;
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}
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$this->numberOfTeams = $numberOfTeams;
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}
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/**
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* @return Fixture[]
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*
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* @throws \Exception
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*/
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public function createFixtures()
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{
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$fixtures = $this->createInitialFixtures();
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$returnFixtures = $this->createReturnFixtures($fixtures);
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return array_merge($fixtures, $returnFixtures);
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}
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/**
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* @param int $home
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* @param int $away
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* @param int $week
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*
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* @return Fixture
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*/
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private function createFixture($home, $away, $week)
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{
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$fixture = new Fixture();
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$fixture->setTeamHome($home);
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$fixture->setTeamAway($away);
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$fixture->setWeek($week);
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return $fixture;
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}
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/**
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* @return Fixture[]
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*/
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private function createInitialFixtures()
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{
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$fixtures = array();
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for ($currentWeek = 1; $currentWeek <= $this->numberOfTeams - 1; $currentWeek++) {
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$fixtures = array_merge($fixtures, $this->createFixturesForWeek($currentWeek));
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}
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return $fixtures;
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}
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/**
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* @param int $currentWeek
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*
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* @return Fixture[]
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*/
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private function createFixturesForWeek($currentWeek)
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{
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$fixtures = array();
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$this->currentHomeTeam = $this->numberOfTeams;
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$this->currentAwayTeam = $currentWeek;
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if (($currentWeek % 2) != 0) {
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$this->toggleHomeAndAwayTeam();
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}
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if ($this->shallFixtureBeGenerated()) {
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$fixtures[] = $this->createFixture($this->currentHomeTeam, $this->currentAwayTeam, $currentWeek);
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}
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for ($i = 1; $i <= (($this->numberOfTeams / 2) - 1); $i++) {
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$fixtures = array_merge($fixtures, $this->createFixturesForMatchIndex($currentWeek, $i));
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}
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return $fixtures;
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}
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/**
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* @param int $week
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* @param int $index
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*
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* @return Fixture[]
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*/
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private function createFixturesForMatchIndex($week, $index)
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{
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$fixtures = array();
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$this->currentAwayTeam = $this->findCurrentAwayTeam($this->numberOfTeams, $week, $index);
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$this->currentHomeTeam = $this->findCurrentHomeTeam($this->numberOfTeams, $week, $index);
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if ($index % 2 == 0) {
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$this->toggleHomeAndAwayTeam();
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}
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if ($this->shallFixtureBeGenerated()) {
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$fixtures[] = $this->createFixture($this->currentHomeTeam, $this->currentAwayTeam, $week);
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}
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return $fixtures;
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}
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/**
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* @param int $numberOfTeams
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* @param int $week
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* @param int $index
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*
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* @return int
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*/
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private function findCurrentHomeTeam($numberOfTeams, $week, $index)
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{
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return $this->wrapTeam(($week + $index) % ($numberOfTeams - 1));
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}
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/**
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* @param int $numberOfTeams
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* @param int $week
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* @param int $index
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*
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* @return int
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*/
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private function findCurrentAwayTeam($numberOfTeams, $week, $index)
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{
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if ($week - $index < 0) {
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$team = $numberOfTeams - 1 + $week - $index;
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} else {
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$team = $this->wrapTeam(($week - $index) % ($numberOfTeams - 1));
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}
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return $team;
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}
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/**
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* @param int $team
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*
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* @return int
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*/
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public function wrapTeam($team)
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{
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if ($team == 0) {
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$team = $this->numberOfTeams - 1;
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}
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return $team;
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}
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public function toggleHomeAndAwayTeam()
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{
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$temp = $this->currentAwayTeam;
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$this->currentAwayTeam = $this->currentHomeTeam;
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$this->currentHomeTeam = $temp;
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}
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/**
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* @return bool
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*/
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private function isLastTeamCurrent()
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{
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return $this->numberOfTeams == $this->currentHomeTeam || $this->numberOfTeams == $this->currentAwayTeam;
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}
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/**
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* @return bool
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*/
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private function shallFixtureBeGenerated()
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{
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return !$this->hasGhostTeam || !$this->isLastTeamCurrent();
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}
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/**
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* @param Fixture[] $homeFixtures
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*
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* @return Fixture[]
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*/
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private function createReturnFixtures($homeFixtures)
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{
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$fixtures = array();
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foreach ($homeFixtures as $homeFixture) {
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if (!$this->hasGhostTeam || ($this->numberOfTeams != $homeFixture->getTeamAway() && $this->numberOfTeams != $homeFixture->getTeamHome())) {
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$fixtures[] = $this->createFixture($homeFixture->getTeamAway(), $homeFixture->getTeamHome(), $homeFixture->getWeek() + $this->numberOfTeams - 1);
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}
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}
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return $fixtures;
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}
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/**
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* @return int
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*/
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public function getCurrentHomeTeam()
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{
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return $this->currentHomeTeam;
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}
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/**
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* @param int $currentHomeTeam
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*/
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public function setCurrentHomeTeam($currentHomeTeam)
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{
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$this->currentHomeTeam = $currentHomeTeam;
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}
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/**
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* @return int
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*/
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public function getCurrentAwayTeam()
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{
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return $this->currentAwayTeam;
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}
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/**
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* @param int $currentAwayTeam
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*/
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public function setCurrentAwayTeam($currentAwayTeam)
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{
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$this->currentAwayTeam = $currentAwayTeam;
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}
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}
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dmecke /
OpenSoccerStar
