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   1  <?php
   2  
   3  final class PhabricatorConfigTableSchema
   4    extends PhabricatorConfigStorageSchema {
   5  
   6    private $collation;
   7    private $columns = array();
   8    private $keys = array();
   9  
  10    public function addColumn(PhabricatorConfigColumnSchema $column) {
  11      $key = $column->getName();
  12      if (isset($this->columns[$key])) {
  13        throw new Exception(
  14          pht('Trying to add duplicate column "%s"!', $key));
  15      }
  16      $this->columns[$key] = $column;
  17      return $this;
  18    }
  19  
  20    public function addKey(PhabricatorConfigKeySchema $key) {
  21      $name = $key->getName();
  22      if (isset($this->keys[$name])) {
  23        throw new Exception(
  24          pht('Trying to add duplicate key "%s"!', $name));
  25      }
  26      $key->setTable($this);
  27      $this->keys[$name] = $key;
  28      return $this;
  29    }
  30  
  31    public function getColumns() {
  32      return $this->columns;
  33    }
  34  
  35    public function getColumn($key) {
  36      return idx($this->getColumns(), $key);
  37    }
  38  
  39    public function getKeys() {
  40      return $this->keys;
  41    }
  42  
  43    public function getKey($key) {
  44      return idx($this->getKeys(), $key);
  45    }
  46  
  47    protected function getSubschemata() {
  48      // NOTE: Keys and columns may have the same name, so make sure we return
  49      // everything.
  50  
  51      return array_merge(
  52        array_values($this->columns),
  53        array_values($this->keys));
  54    }
  55  
  56    public function setCollation($collation) {
  57      $this->collation = $collation;
  58      return $this;
  59    }
  60  
  61    public function getCollation() {
  62      return $this->collation;
  63    }
  64  
  65    public function compareToSimilarSchema(
  66      PhabricatorConfigStorageSchema $expect) {
  67  
  68      $issues = array();
  69      if ($this->getCollation() != $expect->getCollation()) {
  70        $issues[] = self::ISSUE_COLLATION;
  71      }
  72  
  73      return $issues;
  74    }
  75  
  76    public function newEmptyClone() {
  77      $clone = clone $this;
  78      $clone->columns = array();
  79      $clone->keys = array();
  80      return $clone;
  81    }
  82  
  83  }