1 files changed, 124 insertions, 24 deletions

diff --git a/framework/Data/Common/Oracle/TOracleTableInfo.php b/framework/Data/Common/Oracle/TOracleTableInfo.php
index 0f163df3..b3c1ff0a 100644
--- a/framework/Data/Common/Oracle/TOracleTableInfo.php
+++ b/framework/Data/Common/Oracle/TOracleTableInfo.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * TOracleTableInfo class file.
  *
@@ -7,31 +8,75 @@
  * @copyright Copyright &copy; 2005-2007 PradoSoft
  * @license http://www.pradosoft.com/license/
  * @version $Id$
- * @package System.Data.Common.Oracle
+ * @package System.Data.Common
  */
 
 /**
- * Loads the base TDbTableInfo class and TOracleTableColumn class.
- */
-Prado::using('System.Data.Common.TDbTableInfo');
-Prado::using('System.Data.Common.Oracle.TOracleTableColumn');
-
-/**
- * TOracleTableInfo class provides additional table information for ORACLE database.
+ * TDbTableInfo class describes the meta data of a database table.
  *
- * @author Marcos Nobre <marconobre[at]gmail[dot]com>
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
  * @version $Id$
- * @package System.Data.Common.Oracle
- * @since 3.1.1
+ * @package System.Data.Common
+ * @since 3.1
  */
-class TOracleTableInfo extends TDbTableInfo
+class TOracleTableInfo extends TComponent
 {
+	private $_info=array();
+
+	private $_primaryKeys;
+	private $_foreignKeys;
+
+	private $_columns;
+
+	private $_lowercase;
+
 	/**
-	 * @return string name of the schema this column belongs to.
+	 * Sets the database table meta data information.
+	 * @param array table column information.
 	 */
-	public function getSchemaName()
+	public function __construct($tableInfo=array(),$primary=array(),$foreign=array())
 	{
-		return $this->getInfo('SchemaName');
+		$this->_info=$tableInfo;
+		$this->_primaryKeys=$primary;
+		$this->_foreignKeys=$foreign;
+		$this->_columns=new TMap;
+	}
+
+	/**
+	 * @param TDbConnection database connection.
+	 * @return TDbCommandBuilder new command builder
+	 */
+	public function createCommandBuilder($connection)
+	{
+		Prado::using('System.Data.Common.Oracle.TOracleCommandBuilder');
+		return new TOracleCommandBuilder($connection,$this);
+	}
+
+	/**
+	 * @param string information array key name
+	 * @param mixed default value if information array value is null
+	 * @return mixed information array value.
+	 */
+	public function getInfo($name,$default=null)
+	{
+		return isset($this->_info[$name]) ? $this->_info[$name] : $default;
+	}
+
+	/**
+	 * @param string information array key name
+	 * @param mixed new information array value.
+	 */
+	protected function setInfo($name,$value)
+	{
+		$this->_info[$name]=$value;
+	}
+
+	/**
+	 * @return string name of the table this column belongs to.
+	 */
+	public function getTableName()
+	{
+		return $this->getInfo('TableName');
 	}
 
 	/**
@@ -39,20 +84,75 @@ class TOracleTableInfo extends TDbTableInfo
 	 */
 	public function getTableFullName()
 	{
-		if(($schema=$this->getSchemaName())!==null)
-			return $schema.'.'.$this->getTableName();
-		else
-			$this->getTableName();
+		return $this->_info['SchemaName'].'.'.$this->getTableName();
 	}
 
 	/**
-	 * @param TDbConnection database connection.
-	 * @return TDbCommandBuilder new command builder
+	 * @return boolean whether the table is a view, default is false.
 	 */
-	public function createCommandBuilder($connection)
+	public function getIsView()
 	{
-		Prado::using('System.Data.Common.Oracle.TOracleCommandBuilder');
-		return new TOracleCommandBuilder($connection,$this);
+		return $this->getInfo('IsView',false);
+	}
+
+	/**
+	 * @return TMap TDbTableColumn column meta data.
+	 */
+	public function getColumns()
+	{
+		return $this->_columns;
+	}
+
+	/**
+	 * @param string column id
+	 * @return TDbTableColumn column information.
+	 */
+	public function getColumn($name)
+	{
+		if(($column = $this->_columns->itemAt($name))!==null)
+			return $column;
+		throw new TDbException('dbtableinfo_invalid_column_name', $name, $this->getTableFullName());
+	}
+
+	/**
+	 * @param array list of column Id, empty to get all columns.
+	 * @return array table column names (identifier quoted)
+	 */
+	public function getColumnNames()
+	{
+		foreach($this->getColumns() as $column)
+			$names[] = $column->getColumnName();
+		return $names;
+	}
+
+	/**
+	 * @return string[] names of primary key columns.
+	 */
+	public function getPrimaryKeys()
+	{
+		return $this->_primaryKeys;
+	}
+
+	/**
+	 * @return array tuples of foreign table and column name.
+	 */
+	public function getForeignKeys()
+	{
+		return $this->_foreignKeys;
+	}
+
+	/**
+	 * @return array lowercased column key names mapped to normal column ids.
+	 */
+	public function getLowerCaseColumnNames()
+	{
+		if($this->_lowercase===null)
+		{
+			$this->_lowercase=array();
+			foreach($this->getColumns()->getKeys() as $key)
+				$this->_lowercase[strtolower($key)] = $key;
+		}
+		return $this->_lowercase;
 	}
 }