diff options
author | qiang.xue <> | 2008-10-21 01:59:02 +0000 |
---|---|---|
committer | qiang.xue <> | 2008-10-21 01:59:02 +0000 |
commit | 724874e7bd39d787fff39bde2a44076e1d873a30 (patch) | |
tree | 17701f35461226f880faaa532433058e07382fb1 /framework/Data | |
parent | 102f018392b21d5447500c4f3d99f9e5c026d22a (diff) |
fixed issue #5.
Diffstat (limited to 'framework/Data')
-rw-r--r-- | framework/Data/ActiveRecord/TActiveRecordGateway.php | 852 |
1 files changed, 426 insertions, 426 deletions
diff --git a/framework/Data/ActiveRecord/TActiveRecordGateway.php b/framework/Data/ActiveRecord/TActiveRecordGateway.php index 250fdd5f..1f48a00c 100644 --- a/framework/Data/ActiveRecord/TActiveRecordGateway.php +++ b/framework/Data/ActiveRecord/TActiveRecordGateway.php @@ -1,426 +1,426 @@ -<?php
-/**
- * TActiveRecordGateway, TActiveRecordStatementType, TActiveRecordEventParameter classes file.
- *
- * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
- * @link http://www.pradosoft.com/
- * @copyright Copyright © 2005-2008 PradoSoft
- * @license http://www.pradosoft.com/license/
- * @version $Id$
- * @package System.Data.ActiveRecord
- */
-
-/**
- * TActiveRecordGateway excutes the SQL command queries and returns the data
- * record as arrays (for most finder methods).
- *
- * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id$
- * @package System.Data.ActiveRecord
- * @since 3.1
- */
-class TActiveRecordGateway extends TComponent
-{
- private $_manager;
- private $_tables=array(); //table cache
- private $_meta=array(); //meta data cache.
- private $_commandBuilders=array();
- private $_currentRecord;
-
- /**
- * Constant name for specifying optional table name in TActiveRecord.
- */
- const TABLE_CONST='TABLE';
- /**
- * Method name for returning optional table name in in TActiveRecord
- */
- const TABLE_METHOD='table';
-
- /**
- * Record gateway constructor.
- * @param TActiveRecordManager $manager
- */
- public function __construct(TActiveRecordManager $manager)
- {
- $this->_manager=$manager;
- }
-
- /**
- * @return TActiveRecordManager record manager.
- */
- protected function getManager()
- {
- return $this->_manager;
- }
-
- /**
- * Gets the table name from the 'TABLE' constant of the active record
- * class if defined, otherwise use the class name as table name.
- * @param TActiveRecord active record instance
- * @return string table name for the given record class.
- */
- protected function getRecordTableName(TActiveRecord $record)
- {
- $class = new ReflectionClass($record);
- if($class->hasConstant(self::TABLE_CONST))
- {
- $value = $class->getConstant(self::TABLE_CONST);
- if(empty($value))
- throw new TActiveRecordException('ar_invalid_tablename_property',
- get_class($record),self::TABLE_CONST);
- return $value;
- }
- elseif ($class->hasMethod(self::TABLE_METHOD))
- {
- $value = $record->{self::TABLE_METHOD}();
- if(empty($value))
- throw new TActiveRecordException('ar_invalid_tablename_method',
- get_class($record),self::TABLE_METHOD);
- return $value;
- }
- else
- return strtolower(get_class($record));
- }
-
- /**
- * Returns table information, trys the application cache first.
- * @param TActiveRecord $record
- * @return TDbTableInfo table information.
- */
- public function getRecordTableInfo(TActiveRecord $record)
- {
- $tableName = $this->getRecordTableName($record);
- return $this->getTableInfo($record->getDbConnection(), $tableName);
- }
-
- /**
- * Returns table information for table in the database connection.
- * @param TDbConnection database connection
- * @param string table name
- * @return TDbTableInfo table details.
- */
- public function getTableInfo(TDbConnection $connection, $tableName)
- {
- $connStr = $connection->getConnectionString();
- $key = $connStr.$tableName;
- if(!isset($this->_tables[$key]))
- {
- //call this first to ensure that unserializing the cache
- //will find the correct driver dependent classes.
- if(!isset($this->_meta[$connStr]))
- {
- Prado::using('System.Data.Common.TDbMetaData');
- $this->_meta[$connStr] = TDbMetaData::getInstance($connection);
- }
-
- $tableInfo = null;
- if(($cache=$this->getManager()->getCache())!==null)
- $tableInfo = $cache->get($key);
- if(empty($tableInfo))
- {
- $tableInfo = $this->_meta[$connStr]->getTableInfo($tableName);
- if($cache!==null)
- $cache->set($key, $tableInfo);
- }
- $this->_tables[$key] = $tableInfo;
- }
- return $this->_tables[$key];
- }
-
- /**
- * @param TActiveRecord $record
- * @return TDataGatewayCommand
- */
- public function getCommand(TActiveRecord $record)
- {
- $conn = $record->getDbConnection();
- $connStr = $conn->getConnectionString();
- $tableInfo = $this->getRecordTableInfo($record);
- if(!isset($this->_commandBuilders[$connStr]))
- {
- $builder = $tableInfo->createCommandBuilder($record->getDbConnection());
- Prado::using('System.Data.DataGateway.TDataGatewayCommand');
- $command = new TDataGatewayCommand($builder);
- $command->OnCreateCommand[] = array($this, 'onCreateCommand');
- $command->OnExecuteCommand[] = array($this, 'onExecuteCommand');
- $this->_commandBuilders[$connStr] = $command;
-
- }
- $this->_commandBuilders[$connStr]->getBuilder()->setTableInfo($tableInfo);
- $this->_currentRecord=$record;
- return $this->_commandBuilders[$connStr];
- }
-
- /**
- * Raised when a command is prepared and parameter binding is completed.
- * The parameter object is TDataGatewayEventParameter of which the
- * {@link TDataGatewayEventParameter::getCommand Command} property can be
- * inspected to obtain the sql query to be executed.
- * This method also raises the OnCreateCommand event on the ActiveRecord
- * object calling this gateway.
- * @param TDataGatewayCommand originator $sender
- * @param TDataGatewayEventParameter
- */
- public function onCreateCommand($sender, $param)
- {
- $this->raiseEvent('OnCreateCommand', $this, $param);
- if($this->_currentRecord!==null)
- $this->_currentRecord->onCreateCommand($param);
- }
-
- /**
- * Raised when a command is executed and the result from the database was returned.
- * The parameter object is TDataGatewayResultEventParameter of which the
- * {@link TDataGatewayEventParameter::getResult Result} property contains
- * the data return from the database. The data returned can be changed
- * by setting the {@link TDataGatewayEventParameter::setResult Result} property.
- * This method also raises the OnCreateCommand event on the ActiveRecord
- * object calling this gateway.
- * @param TDataGatewayCommand originator $sender
- * @param TDataGatewayResultEventParameter
- */
- public function onExecuteCommand($sender, $param)
- {
- $this->raiseEvent('OnExecuteCommand', $this, $param);
- if($this->_currentRecord!==null)
- $this->_currentRecord->onExecuteCommand($param);
- }
-
- /**
- * Returns record data matching the given primary key(s). If the table uses
- * composite key, specify the name value pairs as an array.
- * @param TActiveRecord active record instance.
- * @param array primary name value pairs
- * @return array record data
- */
- public function findRecordByPK(TActiveRecord $record,$keys)
- {
- $command = $this->getCommand($record);
- return $command->findByPk($keys);
- }
-
- /**
- * Returns records matching the list of given primary keys.
- * @param TActiveRecord active record instance.
- * @param array list of primary name value pairs
- * @return array matching data.
- */
- public function findRecordsByPks(TActiveRecord $record, $keys)
- {
- return $this->getCommand($record)->findAllByPk($keys);
- }
-
-
- /**
- * Returns record data matching the given critera. If $iterator is true, it will
- * return multiple rows as TDbDataReader otherwise it returns the <b>first</b> row data.
- * @param TActiveRecord active record finder instance.
- * @param TActiveRecordCriteria search criteria.
- * @param boolean true to return multiple rows as iterator, false returns first row.
- * @return mixed matching data.
- */
- public function findRecordsByCriteria(TActiveRecord $record, $criteria, $iterator=false)
- {
- $command = $this->getCommand($record);
- return $iterator ? $command->findAll($criteria) : $command->find($criteria);
- }
-
- /**
- * Return record data from sql query.
- * @param TActiveRecord active record finder instance.
- * @param TActiveRecordCriteria sql query
- * @return array result.
- */
- public function findRecordBySql(TActiveRecord $record, $criteria)
- {
- return $this->getCommand($record)->findBySql($criteria);
- }
-
- /**
- * Return record data from sql query.
- * @param TActiveRecord active record finder instance.
- * @param TActiveRecordCriteria sql query
- * @return TDbDataReader result iterator.
- */
- public function findRecordsBySql(TActiveRecord $record, $criteria)
- {
- return $this->getCommand($record)->findAllBySql($criteria);
- }
-
- public function findRecordsByIndex(TActiveRecord $record, $criteria, $fields, $values)
- {
- return $this->getCommand($record)->findAllByIndex($criteria,$fields,$values);
- }
-
- /**
- * Returns the number of records that match the given criteria.
- * @param TActiveRecord active record finder instance.
- * @param TActiveRecordCriteria search criteria
- * @return int number of records.
- */
- public function countRecords(TActiveRecord $record, $criteria)
- {
- return $this->getCommand($record)->count($criteria);
- }
-
- /**
- * Insert a new record.
- * @param TActiveRecord new record.
- * @return int number of rows affected.
- */
- public function insert(TActiveRecord $record)
- {
- //$this->updateAssociatedRecords($record,true);
- $result = $this->getCommand($record)->insert($this->getInsertValues($record));
- if($result)
- $this->updatePostInsert($record);
- //$this->updateAssociatedRecords($record);
- return $result;
- }
-
- /**
- * Sets the last insert ID to the corresponding property of the record if available.
- * @param TActiveRecord record for insertion
- */
- protected function updatePostInsert($record)
- {
- $command = $this->getCommand($record);
- $tableInfo = $command->getTableInfo();
- foreach($tableInfo->getColumns() as $name => $column)
- {
- if($column->hasSequence())
- $record->setColumnValue($name,$command->getLastInsertID($column->getSequenceName()));
- }
- }
-
- /**
- * @param TActiveRecord record
- * @return array insert values.
- */
- protected function getInsertValues(TActiveRecord $record)
- {
- $values=array();
- $tableInfo = $this->getCommand($record)->getTableInfo();
- foreach($tableInfo->getColumns() as $name=>$column)
- {
- if($column->getIsExcluded())
- continue;
- $value = $record->getColumnValue($name);
- if(!$column->getAllowNull() && $value===null && !$column->hasSequence())
- {
- throw new TActiveRecordException(
- 'ar_value_must_not_be_null', get_class($record),
- $tableInfo->getTableFullName(), $name);
- }
- if($value!==null)
- $values[$name] = $value;
- }
- return $values;
- }
-
- /**
- * Update the record.
- * @param TActiveRecord dirty record.
- * @return int number of rows affected.
- */
- public function update(TActiveRecord $record)
- {
- //$this->updateAssociatedRecords($record,true);
- list($data, $keys) = $this->getUpdateValues($record);
- $result = $this->getCommand($record)->updateByPk($data, $keys);
- //$this->updateAssociatedRecords($record);
- return $result;
- }
-
- protected function getUpdateValues(TActiveRecord $record)
- {
- $values=array();
- $tableInfo = $this->getCommand($record)->getTableInfo();
- $primary=array();
- foreach($tableInfo->getColumns() as $name=>$column)
- {
- if($column->getIsExcluded())
- continue;
- $value = $record->getColumnValue($name);
- if(!$column->getAllowNull() && $value===null)
- {
- throw new TActiveRecordException(
- 'ar_value_must_not_be_null', get_class($record),
- $tableInfo->getTableFullName(), $name);
- }
- if($column->getIsPrimaryKey())
- $primary[] = $value;
- else
- $values[$name] = $value;
- }
- return array($values,$primary);
- }
-
- protected function updateAssociatedRecords(TActiveRecord $record,$updateBelongsTo=false)
- {
- $context = new TActiveRecordRelationContext($record);
- return $context->updateAssociatedRecords($updateBelongsTo);
- }
-
- /**
- * Delete the record.
- * @param TActiveRecord record to be deleted.
- * @return int number of rows affected.
- */
- public function delete(TActiveRecord $record)
- {
- return $this->getCommand($record)->deleteByPk($this->getPrimaryKeyValues($record));
- }
-
- protected function getPrimaryKeyValues(TActiveRecord $record)
- {
- $tableInfo = $this->getCommand($record)->getTableInfo();
- $primary=array();
- foreach($tableInfo->getColumns() as $name=>$column)
- {
- if($column->getIsPrimaryKey())
- $primary[$name] = $record->getColumnValue($name);
- }
- return $primary;
- }
-
- /**
- * Delete multiple records using primary keys.
- * @param TActiveRecord finder instance.
- * @return int number of rows deleted.
- */
- public function deleteRecordsByPk(TActiveRecord $record, $keys)
- {
- return $this->getCommand($record)->deleteByPk($keys);
- }
-
- /**
- * Delete multiple records by criteria.
- * @param TActiveRecord active record finder instance.
- * @param TActiveRecordCriteria search criteria
- * @return int number of records.
- */
- public function deleteRecordsByCriteria(TActiveRecord $record, $criteria)
- {
- return $this->getCommand($record)->delete($criteria);
- }
-
- /**
- * Raise the corresponding command event, insert, update, delete or select.
- * @param string command type
- * @param TDbCommand sql command to be executed.
- * @param TActiveRecord active record
- * @param TActiveRecordCriteria data for the command.
- */
- protected function raiseCommandEvent($event,$command,$record,$criteria)
- {
- if(!($criteria instanceof TSqlCriteria))
- $criteria = new TActiveRecordCriteria(null,$criteria);
- $param = new TActiveRecordEventParameter($command,$record,$criteria);
- $manager = $record->getRecordManager();
- $manager->{$event}($param);
- $record->{$event}($param);
- }
-}
-
-?>
+<?php +/** + * TActiveRecordGateway, TActiveRecordStatementType, TActiveRecordEventParameter classes file. + * + * @author Wei Zhuo <weizhuo[at]gmail[dot]com> + * @link http://www.pradosoft.com/ + * @copyright Copyright © 2005-2008 PradoSoft + * @license http://www.pradosoft.com/license/ + * @version $Id$ + * @package System.Data.ActiveRecord + */ + +/** + * TActiveRecordGateway excutes the SQL command queries and returns the data + * record as arrays (for most finder methods). + * + * @author Wei Zhuo <weizho[at]gmail[dot]com> + * @version $Id$ + * @package System.Data.ActiveRecord + * @since 3.1 + */ +class TActiveRecordGateway extends TComponent +{ + private $_manager; + private $_tables=array(); //table cache + private $_meta=array(); //meta data cache. + private $_commandBuilders=array(); + private $_currentRecord; + + /** + * Constant name for specifying optional table name in TActiveRecord. + */ + const TABLE_CONST='TABLE'; + /** + * Method name for returning optional table name in in TActiveRecord + */ + const TABLE_METHOD='table'; + + /** + * Record gateway constructor. + * @param TActiveRecordManager $manager + */ + public function __construct(TActiveRecordManager $manager) + { + $this->_manager=$manager; + } + + /** + * @return TActiveRecordManager record manager. + */ + protected function getManager() + { + return $this->_manager; + } + + /** + * Gets the table name from the 'TABLE' constant of the active record + * class if defined, otherwise use the class name as table name. + * @param TActiveRecord active record instance + * @return string table name for the given record class. + */ + protected function getRecordTableName(TActiveRecord $record) + { + $class = new ReflectionClass($record); + if($class->hasConstant(self::TABLE_CONST)) + { + $value = $class->getConstant(self::TABLE_CONST); + if(empty($value)) + throw new TActiveRecordException('ar_invalid_tablename_property', + get_class($record),self::TABLE_CONST); + return $value; + } + elseif ($class->hasMethod(self::TABLE_METHOD)) + { + $value = $record->{self::TABLE_METHOD}(); + if(empty($value)) + throw new TActiveRecordException('ar_invalid_tablename_method', + get_class($record),self::TABLE_METHOD); + return $value; + } + else + return strtolower(get_class($record)); + } + + /** + * Returns table information, trys the application cache first. + * @param TActiveRecord $record + * @return TDbTableInfo table information. + */ + public function getRecordTableInfo(TActiveRecord $record) + { + $tableName = $this->getRecordTableName($record); + return $this->getTableInfo($record->getDbConnection(), $tableName); + } + + /** + * Returns table information for table in the database connection. + * @param TDbConnection database connection + * @param string table name + * @return TDbTableInfo table details. + */ + public function getTableInfo(TDbConnection $connection, $tableName) + { + $connStr = $connection->getConnectionString(); + $key = $connStr.$tableName; + if(!isset($this->_tables[$key])) + { + //call this first to ensure that unserializing the cache + //will find the correct driver dependent classes. + if(!isset($this->_meta[$connStr])) + { + Prado::using('System.Data.Common.TDbMetaData'); + $this->_meta[$connStr] = TDbMetaData::getInstance($connection); + } + + $tableInfo = null; + if(($cache=$this->getManager()->getCache())!==null) + $tableInfo = $cache->get($key); + if(empty($tableInfo)) + { + $tableInfo = $this->_meta[$connStr]->getTableInfo($tableName); + if($cache!==null) + $cache->set($key, $tableInfo); + } + $this->_tables[$key] = $tableInfo; + } + return $this->_tables[$key]; + } + + /** + * @param TActiveRecord $record + * @return TDataGatewayCommand + */ + public function getCommand(TActiveRecord $record) + { + $conn = $record->getDbConnection(); + $connStr = $conn->getConnectionString(); + $tableInfo = $this->getRecordTableInfo($record); + if(!isset($this->_commandBuilders[$connStr])) + { + $builder = $tableInfo->createCommandBuilder($record->getDbConnection()); + Prado::using('System.Data.DataGateway.TDataGatewayCommand'); + $command = new TDataGatewayCommand($builder); + $command->OnCreateCommand[] = array($this, 'onCreateCommand'); + $command->OnExecuteCommand[] = array($this, 'onExecuteCommand'); + $this->_commandBuilders[$connStr] = $command; + + } + $this->_commandBuilders[$connStr]->getBuilder()->setTableInfo($tableInfo); + $this->_currentRecord=$record; + return $this->_commandBuilders[$connStr]; + } + + /** + * Raised when a command is prepared and parameter binding is completed. + * The parameter object is TDataGatewayEventParameter of which the + * {@link TDataGatewayEventParameter::getCommand Command} property can be + * inspected to obtain the sql query to be executed. + * This method also raises the OnCreateCommand event on the ActiveRecord + * object calling this gateway. + * @param TDataGatewayCommand originator $sender + * @param TDataGatewayEventParameter + */ + public function onCreateCommand($sender, $param) + { + $this->raiseEvent('OnCreateCommand', $this, $param); + if($this->_currentRecord!==null) + $this->_currentRecord->onCreateCommand($param); + } + + /** + * Raised when a command is executed and the result from the database was returned. + * The parameter object is TDataGatewayResultEventParameter of which the + * {@link TDataGatewayEventParameter::getResult Result} property contains + * the data return from the database. The data returned can be changed + * by setting the {@link TDataGatewayEventParameter::setResult Result} property. + * This method also raises the OnCreateCommand event on the ActiveRecord + * object calling this gateway. + * @param TDataGatewayCommand originator $sender + * @param TDataGatewayResultEventParameter + */ + public function onExecuteCommand($sender, $param) + { + $this->raiseEvent('OnExecuteCommand', $this, $param); + if($this->_currentRecord!==null) + $this->_currentRecord->onExecuteCommand($param); + } + + /** + * Returns record data matching the given primary key(s). If the table uses + * composite key, specify the name value pairs as an array. + * @param TActiveRecord active record instance. + * @param array primary name value pairs + * @return array record data + */ + public function findRecordByPK(TActiveRecord $record,$keys) + { + $command = $this->getCommand($record); + return $command->findByPk($keys); + } + + /** + * Returns records matching the list of given primary keys. + * @param TActiveRecord active record instance. + * @param array list of primary name value pairs + * @return array matching data. + */ + public function findRecordsByPks(TActiveRecord $record, $keys) + { + return $this->getCommand($record)->findAllByPk($keys); + } + + + /** + * Returns record data matching the given critera. If $iterator is true, it will + * return multiple rows as TDbDataReader otherwise it returns the <b>first</b> row data. + * @param TActiveRecord active record finder instance. + * @param TActiveRecordCriteria search criteria. + * @param boolean true to return multiple rows as iterator, false returns first row. + * @return mixed matching data. + */ + public function findRecordsByCriteria(TActiveRecord $record, $criteria, $iterator=false) + { + $command = $this->getCommand($record); + return $iterator ? $command->findAll($criteria) : $command->find($criteria); + } + + /** + * Return record data from sql query. + * @param TActiveRecord active record finder instance. + * @param TActiveRecordCriteria sql query + * @return array result. + */ + public function findRecordBySql(TActiveRecord $record, $criteria) + { + return $this->getCommand($record)->findBySql($criteria); + } + + /** + * Return record data from sql query. + * @param TActiveRecord active record finder instance. + * @param TActiveRecordCriteria sql query + * @return TDbDataReader result iterator. + */ + public function findRecordsBySql(TActiveRecord $record, $criteria) + { + return $this->getCommand($record)->findAllBySql($criteria); + } + + public function findRecordsByIndex(TActiveRecord $record, $criteria, $fields, $values) + { + return $this->getCommand($record)->findAllByIndex($criteria,$fields,$values); + } + + /** + * Returns the number of records that match the given criteria. + * @param TActiveRecord active record finder instance. + * @param TActiveRecordCriteria search criteria + * @return int number of records. + */ + public function countRecords(TActiveRecord $record, $criteria) + { + return $this->getCommand($record)->count($criteria); + } + + /** + * Insert a new record. + * @param TActiveRecord new record. + * @return int number of rows affected. + */ + public function insert(TActiveRecord $record) + { + //$this->updateAssociatedRecords($record,true); + $result = $this->getCommand($record)->insert($this->getInsertValues($record)); + if($result) + $this->updatePostInsert($record); + //$this->updateAssociatedRecords($record); + return $result; + } + + /** + * Sets the last insert ID to the corresponding property of the record if available. + * @param TActiveRecord record for insertion + */ + protected function updatePostInsert($record) + { + $command = $this->getCommand($record); + $tableInfo = $command->getTableInfo(); + foreach($tableInfo->getColumns() as $name => $column) + { + if($column->hasSequence()) + $record->setColumnValue($name,$command->getLastInsertID($column->getSequenceName())); + } + } + + /** + * @param TActiveRecord record + * @return array insert values. + */ + protected function getInsertValues(TActiveRecord $record) + { + $values=array(); + $tableInfo = $this->getCommand($record)->getTableInfo(); + foreach($tableInfo->getColumns() as $name=>$column) + { + if($column->getIsExcluded()) + continue; + $value = $record->getColumnValue($name); + if(!$column->getAllowNull() && $value===null && !$column->hasSequence() && !$column->getDefaultValue()) + { + throw new TActiveRecordException( + 'ar_value_must_not_be_null', get_class($record), + $tableInfo->getTableFullName(), $name); + } + if($value!==null) + $values[$name] = $value; + } + return $values; + } + + /** + * Update the record. + * @param TActiveRecord dirty record. + * @return int number of rows affected. + */ + public function update(TActiveRecord $record) + { + //$this->updateAssociatedRecords($record,true); + list($data, $keys) = $this->getUpdateValues($record); + $result = $this->getCommand($record)->updateByPk($data, $keys); + //$this->updateAssociatedRecords($record); + return $result; + } + + protected function getUpdateValues(TActiveRecord $record) + { + $values=array(); + $tableInfo = $this->getCommand($record)->getTableInfo(); + $primary=array(); + foreach($tableInfo->getColumns() as $name=>$column) + { + if($column->getIsExcluded()) + continue; + $value = $record->getColumnValue($name); + if(!$column->getAllowNull() && $value===null) + { + throw new TActiveRecordException( + 'ar_value_must_not_be_null', get_class($record), + $tableInfo->getTableFullName(), $name); + } + if($column->getIsPrimaryKey()) + $primary[] = $value; + else + $values[$name] = $value; + } + return array($values,$primary); + } + + protected function updateAssociatedRecords(TActiveRecord $record,$updateBelongsTo=false) + { + $context = new TActiveRecordRelationContext($record); + return $context->updateAssociatedRecords($updateBelongsTo); + } + + /** + * Delete the record. + * @param TActiveRecord record to be deleted. + * @return int number of rows affected. + */ + public function delete(TActiveRecord $record) + { + return $this->getCommand($record)->deleteByPk($this->getPrimaryKeyValues($record)); + } + + protected function getPrimaryKeyValues(TActiveRecord $record) + { + $tableInfo = $this->getCommand($record)->getTableInfo(); + $primary=array(); + foreach($tableInfo->getColumns() as $name=>$column) + { + if($column->getIsPrimaryKey()) + $primary[$name] = $record->getColumnValue($name); + } + return $primary; + } + + /** + * Delete multiple records using primary keys. + * @param TActiveRecord finder instance. + * @return int number of rows deleted. + */ + public function deleteRecordsByPk(TActiveRecord $record, $keys) + { + return $this->getCommand($record)->deleteByPk($keys); + } + + /** + * Delete multiple records by criteria. + * @param TActiveRecord active record finder instance. + * @param TActiveRecordCriteria search criteria + * @return int number of records. + */ + public function deleteRecordsByCriteria(TActiveRecord $record, $criteria) + { + return $this->getCommand($record)->delete($criteria); + } + + /** + * Raise the corresponding command event, insert, update, delete or select. + * @param string command type + * @param TDbCommand sql command to be executed. + * @param TActiveRecord active record + * @param TActiveRecordCriteria data for the command. + */ + protected function raiseCommandEvent($event,$command,$record,$criteria) + { + if(!($criteria instanceof TSqlCriteria)) + $criteria = new TActiveRecordCriteria(null,$criteria); + $param = new TActiveRecordEventParameter($command,$record,$criteria); + $manager = $record->getRecordManager(); + $manager->{$event}($param); + $record->{$event}($param); + } +} + +?> |