| <?php |
| /** |
| * File containing the ezcGraphArrayDataSet class |
| * |
| * 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. |
| * |
| * @package Graph |
| * @version //autogentag// |
| * @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved. |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| */ |
| /** |
| * Dataset class which receives arrays and use them as a base for datasets. |
| * |
| * @version //autogentag// |
| * @package Graph |
| * @mainclass |
| */ |
| class ezcGraphArrayDataSet extends ezcGraphDataSet |
| { |
| /** |
| * Constructor |
| * |
| * @param array|Iterator $data Array or Iterator containing the data |
| * @return void |
| */ |
| public function __construct( $data ) |
| { |
| $this->createFromArray( $data ); |
| parent::__construct(); |
| } |
| |
| /** |
| * setData |
| * |
| * Can handle data provided through an array or iterator. |
| * |
| * @param array|Iterator $data |
| * @access public |
| * @return void |
| */ |
| protected function createFromArray( $data = array() ) |
| { |
| if ( !is_array( $data ) && |
| !( $data instanceof Traversable ) ) |
| { |
| throw new ezcGraphInvalidArrayDataSourceException( $data ); |
| } |
| |
| $this->data = array(); |
| foreach ( $data as $key => $value ) |
| { |
| $this->data[$key] = $value; |
| } |
| |
| if ( !count( $this->data ) ) |
| { |
| throw new ezcGraphInvalidDataException( 'Data sets should contain some values.' ); |
| } |
| } |
| |
| /** |
| * Returns the number of elements in this dataset |
| * |
| * @return int |
| */ |
| public function count() |
| { |
| return count( $this->data ); |
| } |
| } |
| |
| ?> |