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phab/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php
8e7ae7b33a7dfeature/testing

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PhabricatorLiskDAO.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @task edges Managing Edges
* @task config Configuring Storage
*/
abstract class PhabricatorLiskDAO extends LiskDAO {
private $edges = array();
private static $namespaceStack = array();
/* -( Managing Edges )----------------------------------------------------- */
/**
* @task edges
*/
public function attachEdges(array $edges) {
foreach ($edges as $type => $type_edges) {
$this->edges[$type] = $type_edges;
}
return $this;
}
/**
* @task edges
*/
public function getEdges($type) {
$edges = idx($this->edges, $type);
if ($edges === null) {
throw new Exception("Call attachEdges() before getEdges()!");
}
return $edges;
}
/**
* @task edges
*/
public function loadRelativeEdges($type) {
if (!$this->getInSet()) {
id(new LiskDAOSet())->addToSet($this);
}
$this->getInSet()->loadRelativeEdges($type);
return $this->getEdges($type);
}
/**
* @task edges
*/
public function getEdgePHIDs($type) {
return ipull($this->getEdges($type), 'dst');
}
/* -( Configuring Storage )------------------------------------------------ */
/**
* @task config
*/
public static function pushStorageNamespace($namespace) {
self::$namespaceStack[] = $namespace;
}
/**
* @task config
*/
public static function popStorageNamespace() {
array_pop(self::$namespaceStack);
}
/**
* @task config
*/
public static function getDefaultStorageNamespace() {
return PhabricatorEnv::getEnvConfig('storage.default-namespace');
}
/**
* @task config
*/
public static function getStorageNamespace() {
$namespace = end(self::$namespaceStack);
if (!strlen($namespace)) {
$namespace = self::getDefaultStorageNamespace();
}
if (!strlen($namespace)) {
throw new Exception("No storage namespace configured!");
}
return $namespace;
}
/**
* @task config
*/
public function establishLiveConnection($mode) {
$namespace = self::getStorageNamespace();
$conf = PhabricatorEnv::newObjectFromConfig(
'mysql.configuration-provider',
array($this, $mode, $namespace));
$retries = PhabricatorEnv::getEnvConfig('mysql.connection-retries');
return PhabricatorEnv::newObjectFromConfig(
'mysql.implementation',
array(
array(
'user' => $conf->getUser(),
'pass' => $conf->getPassword(),
'host' => $conf->getHost(),
'database' => $conf->getDatabase(),
'retries' => $retries,
),
));
}
/**
* @task config
*/
public function getTableName() {
$str = 'phabricator';
$len = strlen($str);
$class = strtolower(get_class($this));
if (!strncmp($class, $str, $len)) {
$class = substr($class, $len);
}
$app = $this->getApplicationName();
if (!strncmp($class, $app, strlen($app))) {
$class = substr($class, strlen($app));
}
if (strlen($class)) {
return $app.'_'.$class;
} else {
return $app;
}
}
/**
* @task config
*/
abstract public function getApplicationName();
protected function getConnectionNamespace() {
return self::getStorageNamespace().'_'.$this->getApplicationName();
}
}
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