| <?php |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| /** |
| * |
| * OODT Balance |
| * Web Application Base Framework |
| * |
| * Implementation of IApplicationDataProvider for PHP PDO. |
| * |
| * @author s.khudikyan |
| * @author ahart |
| * |
| */ |
| class Org_Apache_Oodt_Balance_Providers_Data_PDODataProvider |
| implements Org_Apache_Oodt_Balance_Interfaces_IApplicationDataProvider { |
| |
| public $link; |
| |
| public function __construct($options = array()) { |
| |
| } |
| |
| public function connect($options = array()) { |
| try { |
| $dsn = 'mysql:host='.$options['server'].';dbname='.$options['database']; |
| $this->link = new PDO( $dsn, $options['username'], $options['password'] ); |
| } catch (PDOException $e) { |
| die("There was an error connecting to the database: " . $e->getMessage()); |
| } |
| } |
| |
| public function disconnect($options = array()) { |
| if ($this->link) { |
| /*** close the database connection ***/ |
| $this->link = null; |
| } |
| } |
| |
| public function request($request,$options = array() ) { |
| $data = new Org_Apache_Oodt_Balance_Core_ApplicationDataResponse(); |
| |
| if ($this->link) { |
| |
| // Handle associative array |
| if (isset($options['format']) && |
| strtolower($options['format']) == 'assoc') { |
| |
| try { |
| // fetch into an PDOStatement object |
| $stmt = $this->link->queryAll($request); |
| $result = $stmt->fetch(PDO::FETCH_ASSOC); |
| } catch (PDOException $e) { |
| |
| $data->setError( $e->getMessage() ); |
| return $data; |
| } |
| } |
| |
| // Handle numeric array |
| else { |
| try { |
| // fetch into an PDOStatement object |
| $stmt = $this->link->queryAll($request); |
| $result = $stmt->fetch(PDO::FETCH_NUM); |
| } catch (PDOException $e) { |
| |
| $data->setError( $e->getMessage() ); |
| return $data; |
| } |
| } |
| |
| // Store the request used to generate the data |
| $data->bulkAdd($result); |
| |
| // Free the request |
| $this->link->free(); |
| |
| // Return the requested data |
| return $data; |
| |
| } else { |
| $data->setError("Unable to establish connection to data source"); |
| return $data; |
| } |
| } |
| |
| public function command($command,$options = array()) { |
| $data = new Org_Apache_Oodt_Balance_Core_ApplicationDataResponse(); |
| |
| if ($this->link) { |
| |
| try { |
| |
| $result = $this->link->exec( $command ); |
| } catch (PDOException $e) { |
| |
| $data->setError( $e->getMessage() ); |
| return $data; |
| } |
| |
| } else { |
| $data->setError( "Unable to establish connection to data source" ); |
| return $data; |
| } |
| } |
| |
| public function lastInsertedId($options = array()){ |
| $data = new Org_Apache_Oodt_Balance_Core_ApplicationDataResponse(); |
| |
| if ($this->link) { |
| |
| try { |
| $lastId = $this->link->lastInsertId(); |
| } catch (PDOException $e) { |
| |
| $data->setError( $e->getMessage() ); |
| return $data; |
| } |
| return $lastId; |
| |
| } else { |
| $data->setError("Unable to establish connection to data source"); |
| return $data; |
| } |
| } |
| |
| } |