92 lines
3.2 KiB
PHP
92 lines
3.2 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.com>.
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*/
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/**
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* Doctrine_Tree
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*
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* @package Doctrine
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @category Object Relational Mapping
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* @link www.phpdoctrine.com
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* @since 1.0
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* @version $Revision$
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* @author Joe Simms <joe.simms@websites4.com>
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*/
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class Doctrine_Tree
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{
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/**
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* @param object $table reference to associated Doctrine_Table instance
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*/
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protected $table;
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/**
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* @param array $options
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*/
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protected $options;
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/**
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* constructor, creates tree with reference to table and any options
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*
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* @param object $table instance of Doctrine_Table
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* @param array $options options
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*/
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public function __construct(Doctrine_Table $table, $options)
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{
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$this->table = $table;
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$this->options = $options;
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}
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/**
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* Used to define table attributes required for the given implementation
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*
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* @throws Doctrine_Tree_Exception if table attributes have not been defined
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*/
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public function setTableDefinition()
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{
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throw new Doctrine_Tree_Exception('Table attributes have not been defined for this Tree implementation.');
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}
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/**
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* this method is used for setting up relations and attributes and should be used by specific implementations
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*
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*/
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public function setUp()
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{
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}
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/**
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* factory method to return tree instance based upon chosen implementation
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*
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* @param object $table instance of Doctrine_Table
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* @param string $impName implementation (NestedSet, AdjacencyList, MaterializedPath)
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* @param array $options options
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* @return object $options instance of Doctrine_Node
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* @throws Doctrine_Exception if class does not extend Doctrine_Tree
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*/
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public static function factory(Doctrine_Table $table, $implName, $options = array())
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{
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$class = 'Doctrine_Tree_' . $implName;
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if (!class_exists($class)) {
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throw new Doctrine_Exception('The chosen class must extend Doctrine_Tree');
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}
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return new $class($table, $options);
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}
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}
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