--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Cloud/DocumentService/Adapter/WindowsAzure/Query.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,171 @@
+<?php
+/**
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Cloud
+ * @subpackage DocumentService
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+
+/*
+ * @see Zend_Cloud_DocumentService_QueryAdapter
+ */
+require_once 'Zend/Cloud/DocumentService/QueryAdapter.php';
+
+/**
+ * Class implementing Query adapter for working with Azure queries in a 
+ * structured way
+ * 
+ * @todo       Look into preventing a query injection attack.
+ * @category   Zend
+ * @package    Zend_Cloud
+ * @subpackage DocumentService
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Cloud_DocumentService_Adapter_WindowsAzure_Query
+    implements Zend_Cloud_DocumentService_QueryAdapter
+{
+    /**
+     * Azure concrete query
+     * 
+     * @var Zend_Service_WindowsAzure_Storage_TableEntityQuery
+     */
+    protected $_azureSelect;
+    
+    /**
+     * Constructor
+     * 
+     * @param  null|Zend_Service_WindowsAzure_Storage_TableEntityQuery $select Table select object
+     * @return void
+     */
+    public function __construct($select = null) 
+    {
+        if (!$select instanceof Zend_Service_WindowsAzure_Storage_TableEntityQuery) {
+            require_once 'Zend/Service/WindowsAzure/Storage/TableEntityQuery.php';
+            $select = new Zend_Service_WindowsAzure_Storage_TableEntityQuery();
+        }
+        $this->_azureSelect = $select;
+    }
+
+    /**
+     * SELECT clause (fields to be selected)
+     * 
+     * Does nothing for Azure.
+     * 
+     * @param  string $select
+     * @return Zend_Cloud_DocumentService_Adapter_WindowsAzure_Query
+     */
+    public function select($select)
+    {
+        return $this;
+    }
+    
+    /**
+     * FROM clause (table name)
+     * 
+     * @param string $from
+     * @return Zend_Cloud_DocumentService_Adapter_WindowsAzure_Query
+     */
+    public function from($from)
+    {
+        $this->_azureSelect->from($from);
+        return $this;
+    }
+    
+    /**
+     * WHERE clause (conditions to be used)
+     * 
+     * @param string $where
+     * @param mixed $value Value or array of values to be inserted instead of ?
+     * @param string $op Operation to use to join where clauses (AND/OR)
+     * @return Zend_Cloud_DocumentService_Adapter_WindowsAzure_Query
+     */
+    public function where($where, $value = null, $op = 'and')
+    {
+        if (!empty($value) && !is_array($value)) {
+            // fix buglet in Azure - numeric values are quoted unless passed as an array
+            $value = array($value);
+        }
+        $this->_azureSelect->where($where, $value, $op);
+        return $this;
+    }
+    
+    /**
+     * WHERE clause for item ID
+     * 
+     * This one should be used when fetching specific rows since some adapters
+     * have special syntax for primary keys
+     * 
+     * @param  array $value Row ID for the document (PartitionKey, RowKey)
+     * @return Zend_Cloud_DocumentService_Adapter_WindowsAzure_Query
+     */
+    public function whereId($value)
+    {
+        if (!is_array($value)) {
+            require_once 'Zend/Cloud/DocumentService/Exception.php';
+            throw new Zend_Cloud_DocumentService_Exception('Invalid document key');
+        }
+        $this->_azureSelect->wherePartitionKey($value[0])->whereRowKey($value[1]);
+        return $this;
+    }
+    
+    /**
+     * LIMIT clause (how many rows to return)
+     * 
+     * @param  int $limit
+     * @return Zend_Cloud_DocumentService_Adapter_WindowsAzure_Query
+     */
+    public function limit($limit)
+    {
+        $this->_azureSelect->top($limit);
+        return $this;
+    }
+
+    /**
+     * ORDER BY clause (sorting)
+     * 
+     * @todo   Azure service doesn't seem to support this yet; emulate?
+     * @param  string $sort Column to sort by
+     * @param  string $direction Direction - asc/desc
+     * @return Zend_Cloud_DocumentService_Adapter_WindowsAzure_Query
+     * @throws Zend_Cloud_OperationNotAvailableException
+     */
+    public function order($sort, $direction = 'asc')
+    {
+        require_once 'Zend/Cloud/OperationNotAvailableException.php';
+        throw new Zend_Cloud_OperationNotAvailableException('No support for sorting for Azure yet');
+    }
+    
+    /**
+     * Get Azure select query
+     * 
+     * @return Zend_Service_WindowsAzure_Storage_TableEntityQuery
+     */
+    public function getAzureSelect()
+    {
+        return  $this->_azureSelect;
+    }
+
+    /**
+     * Assemble query
+     *
+     * Simply return the WindowsAzure table entity query object
+     * 
+     * @return Zend_Service_WindowsAzure_Storage_TableEntityQuery
+     */
+    public function assemble()
+    {
+        return $this->getAzureSelect();
+    }
+}