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MongoConnection.php
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147 lines (127 loc) · 5.76 KB
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<?php
/*
# Copyright 2012 NodeSocket, LLC
#
# 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.
*/
class MongoConnection {
/**
* @staticvar Resource
*/
private static $mongo_connection;
private static $mongo_db;
private static $mongo_grid_fs;
private static $mongo_collection;
public static function connect($replica_set = false) {
try {
MongoConnection::$mongo_connection = new Mongo("mongodb://" . MongoConfiguration::username . ":" . MongoConfiguration::password . "@" . MongoConfiguration::hosts . ":" . MongoConfiguration::port . "/" . MongoConfiguration::database, array("timeout" => 10000, "replicaSet" => $replica_set));
} catch(Exception $mongoException) {
//Output error details
Error::halt(503, 'service unavailable', 'Temporarily unable to process request. Failed to establish a connection with MongoDB. Please retry.');
}
if(empty(MongoConnection::$mongo_connection)) {
Error::halt(503, 'service unavailable', 'Temporarily unable to process request. Failed to establish a connection with MongoDB. Please retry.');
}
try {
MongoConnection::$mongo_db = MongoConnection::$mongo_connection->selectDB(MongoConfiguration::database);
} catch(Exception $mongoException) {
//Output error details
Error::halt(503, 'service unavailable', 'Temporarily unable to process request. Failed to select the database from MongoDB. Please retry.');
}
if(empty(MongoConnection::$mongo_db)) {
//Output error details
Error::halt(503, 'service unavailable', 'Temporarily unable to process request. Failed to select the database from MongoDB. Please retry.');
}
}
public static function select_collection($collection_name) {
try {
$collection = MongoConnection::$mongo_db->selectCollection($collection_name);
} catch(Exception $mongoException) {
//Output error details
Error::halt(503, 'service unavailable', 'Temporarily unable to process request. Failed to select the MongoDB collection. Please retry.');
}
if(empty($collection)) {
//Output error details
Error::halt(503, 'service unavailable', 'Temporarily unable to process request. Failed to select the MongoDB collection. Please retry.');
}
MongoConnection::$mongo_collection = $collection;
}
public static function find($query = array(), array $fields = array(), $allow_slave_query = false) {
if(!is_array($query)) {
$query = json_decode($query);
}
if($allow_slave_query) {
return MongoConnection::$mongo_collection->find($query, $fields)->slaveOkay();
} else {
return MongoConnection::$mongo_collection->find($query, $fields);
}
}
////
// Options
// safe (int | 'majority'): Number of servers that have to successfully acknowledge the write before returning success. Majority automagically calculates the number of servers needed for a majority.
////
public static function insert(array $data, array $options = array("safe" => 1)) {
try {
return MongoConnection::$mongo_collection->insert($data, $options);
} catch(Exception $MongoCursorException) {
//Output error details
Error::halt(503, 'service unavailable', 'Temporarily unable to process request. Failed to insert into the MongoDB collection. Please retry.');
}
}
public static function grid_fs() {
MongoConnection::$mongo_grid_fs = MongoConnection::$mongo_db->getGridFS();
}
public static function grid_fs_find($query = array(), array $fields = array()) {
if(!is_array($query)) {
$query = json_decode($query);
}
return MongoConnection::$mongo_grid_fs->find($query, $fields);
}
////
// Options
// safe (int | 'majority'): Number of servers that have to successfully acknowledge the write before returning success. Majority automagically calculates the number of servers needed for a majority.
////
public static function grid_fs_store($filename, array $meta_data = array(), array $options = array("safe" => 1)) {
return MongoConnection::$mongo_grid_fs->storeFile($filename, $meta_data, $options);
}
////
// Options
// safe (int | 'majority'): Number of servers that have to successfully acknowledge the delete before returning success. Majority automagically calculates the number of servers needed for a majority.
////
public static function grid_fs_delete(array $ids, array $options = array("safe" => 1)) {
$mongo_ids = array();
foreach($ids as $id) {
$mongo_ids[] = new MongoId($id);
}
return MongoConnection::$mongo_grid_fs->remove(array("_id" => array('$in' => $mongo_ids)), $options);
}
////
// Options
// safe (int | 'majority'): Number of servers that have to successfully acknowledge the update before returning success. Majority automagically calculates the number of servers needed for a majority.
////
public static function grid_fs_update($query = array(), array $meta_data = array(), array $options = array("safe" => 1)) {
if(!is_array($query)) {
$query = json_decode($query);
}
return MongoConnection::$mongo_grid_fs->update($query, $meta_data, $options);
}
public static function close() {
////
// Make sure a connection has been established before attemping to close
////
if(!empty(MongoConnection::$mongo_connection)) {
return MongoConnection::$mongo_connection->close();
}
}
}
?>