ILIAS  release_5-2 Revision v5.2.25-18-g3f80b828510
PHPExcel_CachedObjectStorage_SQLite3 Class Reference
+ Inheritance diagram for PHPExcel_CachedObjectStorage_SQLite3:
+ Collaboration diagram for PHPExcel_CachedObjectStorage_SQLite3:

Public Member Functions

 addCacheData ($pCoord, PHPExcel_Cell $cell)
 Add or Update a cell in cache identified by coordinate address. More...
 
 getCacheData ($pCoord)
 Get cell at a specific coordinate. More...
 
 isDataSet ($pCoord)
 
 deleteCacheData ($pCoord)
 Delete a cell in cache identified by coordinate address. More...
 
 moveCell ($fromAddress, $toAddress)
 Move a cell object from one address to another. More...
 
 getCellList ()
 Get a list of all cell addresses currently held in cache. More...
 
 copyCellCollection (PHPExcel_Worksheet $parent)
 Clone the cell collection. More...
 
 unsetWorksheetCells ()
 Clear the cell collection and disconnect from our parent. More...
 
 __construct (PHPExcel_Worksheet $parent)
 Initialise this new cell collection. More...
 
 __destruct ()
 Destroy this cell collection. More...
 
- Public Member Functions inherited from PHPExcel_CachedObjectStorage_CacheBase
 __construct (PHPExcel_Worksheet $parent)
 Initialise this new cell collection. More...
 
 getParent ()
 Return the parent worksheet for this cell collection. More...
 
 isDataSet ($pCoord)
 Is a value set in the current PHPExcel_CachedObjectStorage_ICache for an indexed cell? More...
 
 moveCell ($fromAddress, $toAddress)
 Move a cell object from one address to another. More...
 
 updateCacheData (PHPExcel_Cell $cell)
 Add or Update a cell in cache. More...
 
 deleteCacheData ($pCoord)
 Delete a cell in cache identified by coordinate address. More...
 
 getCellList ()
 Get a list of all cell addresses currently held in cache. More...
 
 getSortedCellList ()
 Sort the list of all cell addresses currently held in cache by row and column. More...
 
 getHighestRowAndColumn ()
 Get highest worksheet column and highest row that have cell records. More...
 
 getCurrentAddress ()
 Return the cell address of the currently active cell object. More...
 
 getCurrentColumn ()
 Return the column address of the currently active cell object. More...
 
 getCurrentRow ()
 Return the row address of the currently active cell object. More...
 
 getHighestColumn ($row=null)
 
 getHighestRow ($column=null)
 
 copyCellCollection (PHPExcel_Worksheet $parent)
 Clone the cell collection. More...
 
 removeRow ($row)
 Remove a row, deleting all cells in that row. More...
 
 removeColumn ($column)
 Remove a column, deleting all cells in that column. More...
 
- Public Member Functions inherited from PHPExcel_CachedObjectStorage_ICache
 addCacheData ($pCoord, PHPExcel_Cell $cell)
 Add or Update a cell in cache identified by coordinate address. More...
 
 updateCacheData (PHPExcel_Cell $cell)
 Add or Update a cell in cache. More...
 
 getCacheData ($pCoord)
 Fetch a cell from cache identified by coordinate address. More...
 
 deleteCacheData ($pCoord)
 Delete a cell in cache identified by coordinate address. More...
 
 isDataSet ($pCoord)
 Is a value set in the current PHPExcel_CachedObjectStorage_ICache for an indexed cell? More...
 
 getCellList ()
 Get a list of all cell addresses currently held in cache. More...
 
 getSortedCellList ()
 Get the list of all cell addresses currently held in cache sorted by column and row. More...
 
 copyCellCollection (PHPExcel_Worksheet $parent)
 Clone the cell collection. More...
 

Static Public Member Functions

static cacheMethodIsAvailable ()
 Identify whether the caching method is currently available Some methods are dependent on the availability of certain extensions being enabled in the PHP build. More...
 
static cacheMethodIsAvailable ()
 Identify whether the caching method is currently available Some methods are dependent on the availability of certain extensions being enabled in the PHP build. More...
 
static cacheMethodIsAvailable ()
 Identify whether the caching method is currently available Some methods are dependent on the availability of certain extensions being enabled in the PHP build. More...
 

Protected Member Functions

 _storeData ()
 Store cell data in cache for the current cell object if it's "dirty", and the 'nullify' the current cell object. More...
 
- Protected Member Functions inherited from PHPExcel_CachedObjectStorage_CacheBase
 _getUniqueID ()
 Generate a unique ID for cache referencing. More...
 

Private Attributes

 $_TableName = null
 
 $_DBHandle = null
 
 $_selectQuery
 
 $_insertQuery
 
 $_updateQuery
 
 $_deleteQuery
 

Additional Inherited Members

- Protected Attributes inherited from PHPExcel_CachedObjectStorage_CacheBase
 $_parent
 
 $_currentObject = null
 
 $_currentObjectID = null
 
 $_currentCellIsDirty = true
 
 $_cellCache = array()
 

Detailed Description

Definition at line 36 of file SQLite3.php.

Constructor & Destructor Documentation

◆ __construct()

PHPExcel_CachedObjectStorage_SQLite3::__construct ( PHPExcel_Worksheet  $parent)

Initialise this new cell collection.

Parameters
PHPExcel_Worksheet$parentThe worksheet for this cell collection

Reimplemented from PHPExcel_CachedObjectStorage_CacheBase.

Definition at line 299 of file SQLite3.php.

299 {
300 parent::__construct($parent);
301 if (is_null($this->_DBHandle)) {
302 $this->_TableName = str_replace('.','_',$this->_getUniqueID());
303 $_DBName = ':memory:';
304
305 $this->_DBHandle = new SQLite3($_DBName);
306 if ($this->_DBHandle === false)
307 throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg());
308 if (!$this->_DBHandle->exec('CREATE TABLE kvp_'.$this->_TableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)'))
309 throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg());
310 }
311
312 $this->_selectQuery = $this->_DBHandle->prepare("SELECT value FROM kvp_".$this->_TableName." WHERE id = :id");
313 $this->_insertQuery = $this->_DBHandle->prepare("INSERT OR REPLACE INTO kvp_".$this->_TableName." VALUES(:id,:data)");
314 $this->_updateQuery = $this->_DBHandle->prepare("UPDATE kvp_".$this->_TableName." SET id=:toId WHERE id=:fromId");
315 $this->_deleteQuery = $this->_DBHandle->prepare("DELETE FROM kvp_".$this->_TableName." WHERE id = :id");
316 } // function __construct()
_getUniqueID()
Generate a unique ID for cache referencing.
Definition: CacheBase.php:311

References PHPExcel_CachedObjectStorage_CacheBase\_getUniqueID().

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◆ __destruct()

PHPExcel_CachedObjectStorage_SQLite3::__destruct ( )

Destroy this cell collection.

Definition at line 322 of file SQLite3.php.

322 {
323 if (!is_null($this->_DBHandle)) {
324 $this->_DBHandle->exec('DROP TABLE kvp_'.$this->_TableName);
325 $this->_DBHandle->close();
326 }
327 $this->_DBHandle = null;
328 } // function __destruct()

Referenced by unsetWorksheetCells().

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Member Function Documentation

◆ _storeData()

PHPExcel_CachedObjectStorage_SQLite3::_storeData ( )
protected

Store cell data in cache for the current cell object if it's "dirty", and the 'nullify' the current cell object.

Returns
void
Exceptions
PHPExcel_Exception

Definition at line 87 of file SQLite3.php.

87 {
88 if ($this->_currentCellIsDirty && !empty($this->_currentObjectID)) {
89 $this->_currentObject->detach();
90
91 $this->_insertQuery->bindValue('id',$this->_currentObjectID,SQLITE3_TEXT);
92 $this->_insertQuery->bindValue('data',serialize($this->_currentObject),SQLITE3_BLOB);
93 $result = $this->_insertQuery->execute();
94 if ($result === false)
95 throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg());
96 $this->_currentCellIsDirty = false;
97 }
98 $this->_currentObjectID = $this->_currentObject = null;
99 } // function _storeData()
$result

References $result.

Referenced by addCacheData(), copyCellCollection(), getCacheData(), and getCellList().

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◆ addCacheData()

PHPExcel_CachedObjectStorage_SQLite3::addCacheData (   $pCoord,
PHPExcel_Cell  $cell 
)

Add or Update a cell in cache identified by coordinate address.

Parameters
string$pCoordCoordinate address of the cell to update
PHPExcel_Cell$cellCell to update
Returns
PHPExcel_Cell
Exceptions
PHPExcel_Exception

Implements PHPExcel_CachedObjectStorage_ICache.

Definition at line 110 of file SQLite3.php.

110 {
111 if (($pCoord !== $this->_currentObjectID) && ($this->_currentObjectID !== null)) {
112 $this->_storeData();
113 }
114
115 $this->_currentObjectID = $pCoord;
116 $this->_currentObject = $cell;
117 $this->_currentCellIsDirty = true;
118
119 return $cell;
120 } // function addCacheData()
_storeData()
Store cell data in cache for the current cell object if it's "dirty", and the 'nullify' the current c...
Definition: SQLite3.php:87

References _storeData().

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◆ cacheMethodIsAvailable()

static PHPExcel_CachedObjectStorage_SQLite3::cacheMethodIsAvailable ( )
static

Identify whether the caching method is currently available Some methods are dependent on the availability of certain extensions being enabled in the PHP build.

Returns
boolean

Reimplemented from PHPExcel_CachedObjectStorage_CacheBase.

Definition at line 337 of file SQLite3.php.

337 {
338 if (!class_exists('SQLite3',FALSE)) {
339 return false;
340 }
341
342 return true;
343 }

◆ copyCellCollection()

PHPExcel_CachedObjectStorage_SQLite3::copyCellCollection ( PHPExcel_Worksheet  $parent)

Clone the cell collection.

Parameters
PHPExcel_Worksheet$parentThe new worksheet
Returns
void

Reimplemented from PHPExcel_CachedObjectStorage_CacheBase.

Definition at line 261 of file SQLite3.php.

261 {
263 $this->_storeData();
264
265 // Get a new id for the new table name
266 $tableName = str_replace('.','_',$this->_getUniqueID());
267 if (!$this->_DBHandle->exec('CREATE TABLE kvp_'.$tableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)
268 AS SELECT * FROM kvp_'.$this->_TableName))
269 throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg());
270
271 // Copy the existing cell cache file
272 $this->_TableName = $tableName;
273 } // function copyCellCollection()

References PHPExcel_CachedObjectStorage_CacheBase\$_currentCellIsDirty, PHPExcel_CachedObjectStorage_CacheBase\_getUniqueID(), and _storeData().

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◆ deleteCacheData()

PHPExcel_CachedObjectStorage_SQLite3::deleteCacheData (   $pCoord)

Delete a cell in cache identified by coordinate address.

Parameters
string$pCoordCoordinate address of the cell to delete
Exceptions
PHPExcel_Exception

Reimplemented from PHPExcel_CachedObjectStorage_CacheBase.

Definition at line 188 of file SQLite3.php.

188 {
189 if ($pCoord === $this->_currentObjectID) {
190 $this->_currentObject->detach();
191 $this->_currentObjectID = $this->_currentObject = NULL;
192 }
193
194 // Check if the requested entry exists in the cache
195 $this->_deleteQuery->bindValue('id',$pCoord,SQLITE3_TEXT);
196 $result = $this->_deleteQuery->execute();
197 if ($result === FALSE)
198 throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg());
199
200 $this->_currentCellIsDirty = FALSE;
201 } // function deleteCacheData()

References $result.

◆ getCacheData()

PHPExcel_CachedObjectStorage_SQLite3::getCacheData (   $pCoord)

Get cell at a specific coordinate.

Parameters
string$pCoordCoordinate of the cell
Exceptions
PHPExcel_Exception
Returns
PHPExcel_Cell Cell that was found, or null if not found

Implements PHPExcel_CachedObjectStorage_ICache.

Definition at line 130 of file SQLite3.php.

130 {
131 if ($pCoord === $this->_currentObjectID) {
133 }
134 $this->_storeData();
135
136 $this->_selectQuery->bindValue('id',$pCoord,SQLITE3_TEXT);
137 $cellResult = $this->_selectQuery->execute();
138 if ($cellResult === FALSE) {
139 throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg());
140 }
141 $cellData = $cellResult->fetchArray(SQLITE3_ASSOC);
142 if ($cellData === FALSE) {
143 // Return null if requested entry doesn't exist in cache
144 return NULL;
145 }
146
147 // Set current entry to the requested entry
148 $this->_currentObjectID = $pCoord;
149
150 $this->_currentObject = unserialize($cellData['value']);
151 // Re-attach this as the cell's parent
152 $this->_currentObject->attach($this);
153
154 // Return requested entry
156 } // function getCacheData()

References PHPExcel_CachedObjectStorage_CacheBase\$_currentObject, and _storeData().

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◆ getCellList()

PHPExcel_CachedObjectStorage_SQLite3::getCellList ( )

Get a list of all cell addresses currently held in cache.

Returns
string[]

Reimplemented from PHPExcel_CachedObjectStorage_CacheBase.

Definition at line 236 of file SQLite3.php.

236 {
237 if ($this->_currentObjectID !== null) {
238 $this->_storeData();
239 }
240
241 $query = "SELECT id FROM kvp_".$this->_TableName;
242 $cellIdsResult = $this->_DBHandle->query($query);
243 if ($cellIdsResult === false)
244 throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg());
245
246 $cellKeys = array();
247 while ($row = $cellIdsResult->fetchArray(SQLITE3_ASSOC)) {
248 $cellKeys[] = $row['id'];
249 }
250
251 return $cellKeys;
252 } // function getCellList()

References $query, $row, and _storeData().

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◆ isDataSet()

PHPExcel_CachedObjectStorage_SQLite3::isDataSet (   $pCoord)
 Is a value set for an indexed cell?
Parameters
string$pCoordCoordinate address of the cell to check
Returns
boolean

Reimplemented from PHPExcel_CachedObjectStorage_CacheBase.

Definition at line 165 of file SQLite3.php.

165 {
166 if ($pCoord === $this->_currentObjectID) {
167 return TRUE;
168 }
169
170 // Check if the requested entry exists in the cache
171 $this->_selectQuery->bindValue('id',$pCoord,SQLITE3_TEXT);
172 $cellResult = $this->_selectQuery->execute();
173 if ($cellResult === FALSE) {
174 throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg());
175 }
176 $cellData = $cellResult->fetchArray(SQLITE3_ASSOC);
177
178 return ($cellData === FALSE) ? FALSE : TRUE;
179 } // function isDataSet()

◆ moveCell()

PHPExcel_CachedObjectStorage_SQLite3::moveCell (   $fromAddress,
  $toAddress 
)

Move a cell object from one address to another.

Parameters
string$fromAddressCurrent address of the cell to move
string$toAddressDestination address of the cell to move
Returns
boolean

Reimplemented from PHPExcel_CachedObjectStorage_CacheBase.

Definition at line 211 of file SQLite3.php.

211 {
212 if ($fromAddress === $this->_currentObjectID) {
213 $this->_currentObjectID = $toAddress;
214 }
215
216 $this->_deleteQuery->bindValue('id',$toAddress,SQLITE3_TEXT);
217 $result = $this->_deleteQuery->execute();
218 if ($result === false)
219 throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg());
220
221 $this->_updateQuery->bindValue('toid',$toAddress,SQLITE3_TEXT);
222 $this->_updateQuery->bindValue('fromid',$fromAddress,SQLITE3_TEXT);
223 $result = $this->_updateQuery->execute();
224 if ($result === false)
225 throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg());
226
227 return TRUE;
228 } // function moveCell()

References $result.

◆ unsetWorksheetCells()

PHPExcel_CachedObjectStorage_SQLite3::unsetWorksheetCells ( )

Clear the cell collection and disconnect from our parent.

Returns
void

Definition at line 281 of file SQLite3.php.

281 {
282 if(!is_null($this->_currentObject)) {
283 $this->_currentObject->detach();
284 $this->_currentObject = $this->_currentObjectID = null;
285 }
286 // detach ourself from the worksheet, so that it can then delete this object successfully
287 $this->_parent = null;
288
289 // Close down the temporary cache file
290 $this->__destruct();
291 } // function unsetWorksheetCells()
__destruct()
Destroy this cell collection.
Definition: SQLite3.php:322

References __destruct().

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Field Documentation

◆ $_DBHandle

PHPExcel_CachedObjectStorage_SQLite3::$_DBHandle = null
private

Definition at line 50 of file SQLite3.php.

◆ $_deleteQuery

PHPExcel_CachedObjectStorage_SQLite3::$_deleteQuery
private

Definition at line 78 of file SQLite3.php.

◆ $_insertQuery

PHPExcel_CachedObjectStorage_SQLite3::$_insertQuery
private

Definition at line 64 of file SQLite3.php.

◆ $_selectQuery

PHPExcel_CachedObjectStorage_SQLite3::$_selectQuery
private

Definition at line 57 of file SQLite3.php.

◆ $_TableName

PHPExcel_CachedObjectStorage_SQLite3::$_TableName = null
private

Definition at line 43 of file SQLite3.php.

◆ $_updateQuery

PHPExcel_CachedObjectStorage_SQLite3::$_updateQuery
private

Definition at line 71 of file SQLite3.php.


The documentation for this class was generated from the following file: