<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Db\Adapter\Driver\IbmDb2;
use Zend\Db\Adapter\Driver\ConnectionInterface;
use Zend\Db\Adapter\Exception;
use Zend\Db\Adapter\Profiler;
class Connection implements ConnectionInterface, Profiler\ProfilerAwareInterface
{
/** @var IbmDb2 */
protected $driver = null;
/**
* @var array
*/
protected $connectionParameters = null;
/**
* @var resource
*/
protected $resource = null;
/**
* @var Profiler\ProfilerInterface
*/
protected $profiler = null;
/**
* Constructor
*
* @param array|resource|null $connectionParameters (ibm_db2 connection resource)
* @throws Exception\InvalidArgumentException
*/
public function __construct($connectionParameters = null)
{
if (is_array($connectionParameters)) {
$this->setConnectionParameters($connectionParameters);
} elseif (is_resource($connectionParameters)) {
$this->setResource($connectionParameters);
} elseif (null !== $connectionParameters) {
throw new Exception\InvalidArgumentException(
'$connection must be an array of parameters, a db2 connection resource or null'
);
}
}
/**
* Set driver
*
* @param IbmDb2 $driver
* @return Connection
*/
public function setDriver(IbmDb2 $driver)
{
$this->driver = $driver;
return $this;
}
/**
* @param Profiler\ProfilerInterface $profiler
* @return Connection
*/
public function setProfiler(Profiler\ProfilerInterface $profiler)
{
$this->profiler = $profiler;
return $this;
}
/**
* @return null|Profiler\ProfilerInterface
*/
public function getProfiler()
{
return $this->profiler;
}
/**
* @param array $connectionParameters
* @return Connection
*/
public function setConnectionParameters(array $connectionParameters)
{
$this->connectionParameters = $connectionParameters;
return $this;
}
/**
* @return array
*/
public function getConnectionParameters()
{
return $this->connectionParameters;
}
/**
* @param resource $resource DB2 resource
* @return Connection
*/
public function setResource($resource)
{
if (!is_resource($resource) || get_resource_type($resource) !== 'DB2 Connection') {
throw new Exception\InvalidArgumentException('The resource provided must be of type "DB2 Connection"');
}
$this->resource = $resource;
return $this;
}
/**
* Get current schema
*
* @return string
*/
public function getCurrentSchema()
{
if (!$this->isConnected()) {
$this->connect();
}
$info = db2_server_info($this->resource);
return (isset($info->DB_NAME) ? $info->DB_NAME : '');
}
/**
* Get resource
*
* @return mixed
*/
public function getResource()
{
return $this->resource;
}
/**
* Connect
*
* @return ConnectionInterface
*/
public function connect()
{
if (is_resource($this->resource)) {
return $this;
}
// localize
$p = $this->connectionParameters;
// given a list of key names, test for existence in $p
$findParameterValue = function (array $names) use ($p) {
foreach ($names as $name) {
if (isset($p[$name])) {
return $p[$name];
}
}
return null;
};
$database = $findParameterValue(array('database', 'db'));
$username = $findParameterValue(array('username', 'uid', 'UID'));
$password = $findParameterValue(array('password', 'pwd', 'PWD'));
$isPersistent = $findParameterValue(array('persistent', 'PERSISTENT', 'Persistent'));
$options = (isset($p['driver_options']) ? $p['driver_options'] : array());
if ($isPersistent) {
$this->resource = db2_pconnect($database, $username, $password, $options);
} else {
$this->resource = db2_connect($database, $username, $password, $options);
}
if ($this->resource === false) {
throw new Exception\RuntimeException(sprintf(
'%s: Unable to connect to database',
__METHOD__
));
}
return $this;
}
/**
* Is connected
*
* @return bool
*/
public function isConnected()
{
return ($this->resource !== null);
}
/**
* Disconnect
*
* @return ConnectionInterface
*/
public function disconnect()
{
if ($this->resource) {
db2_close($this->resource);
$this->resource = null;
}
return $this;
}
/**
* Begin transaction
*
* @return ConnectionInterface
*/
public function beginTransaction()
{
// TODO: Implement beginTransaction() method.
}
/**
* Commit
*
* @return ConnectionInterface
*/
public function commit()
{
// TODO: Implement commit() method.
}
/**
* Rollback
*
* @return ConnectionInterface
*/
public function rollback()
{
// TODO: Implement rollback() method.
}
/**
* Execute
*
* @param string $sql
* @return Result
*/
public function execute($sql)
{
if (!$this->isConnected()) {
$this->connect();
}
if ($this->profiler) {
$this->profiler->profilerStart($sql);
}
set_error_handler(function () {}, E_WARNING); // suppress warnings
$resultResource = db2_exec($this->resource, $sql);
restore_error_handler();
if ($this->profiler) {
$this->profiler->profilerFinish($sql);
}
// if the returnValue is something other than a pg result resource, bypass wrapping it
if ($resultResource === false) {
throw new Exception\InvalidQueryException(db2_stmt_errormsg());
}
$resultPrototype = $this->driver->createResult(($resultResource === true) ? $this->resource : $resultResource);
return $resultPrototype;
}
/**
* Get last generated id
*
* @param null $name Ignored
* @return int
*/
public function getLastGeneratedValue($name = null)
{
return db2_last_insert_id($this->resource);
}
}
# |
Change |
User |
Description |
Committed |
|
#1
|
18334 |
Liz Lam |
initial add of jambox |
|
|