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diff processing methods added

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This commit is contained in:
zYne 2007-05-15 22:42:24 +00:00
parent 389d137312
commit 5b6ce9c0bc
1 changed files with 73 additions and 17 deletions
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90
draft/new-core/Collection.php
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@ -34,13 +34,17 @@ Doctrine::autoload('Doctrine_Access');
class Doctrine_Collection2 extends Doctrine_Collection implements Countable, IteratorAggregate, Serializable
{
/**
* @var array $data an array containing the data access objects of this collection
* @var array $data an array containing the records of this collection
*/
protected $data = array();
/**
* @var Doctrine_Table $table each collection has only records of specified table
*/
protected $_table;
/**
* @var array $_snapshot a snapshot of the fetched data
*/
protected $_snapshot = array();
/**
* @var Doctrine_Record $reference collection can belong to a record
*/
@ -150,13 +154,16 @@ class Doctrine_Collection2 extends Doctrine_Collection implements Countable, Ite
}
/**
* setKeyColumn
* sets the key column for this collection
*
* @param string $column
* @return void
* @return Doctrine_Collection
*/
public function setKeyColumn($column)
{
$this->keyColumn = $column;
return $this;
}
/**
* getKeyColumn
@ -169,6 +176,7 @@ class Doctrine_Collection2 extends Doctrine_Collection implements Countable, Ite
return $this->column;
}
/**
* getData
* returns all the records as an array
*
* @return array
@ -177,13 +185,6 @@ class Doctrine_Collection2 extends Doctrine_Collection implements Countable, Ite
{
return $this->data;
}
/**
* @param array $data
*/
public function addData(array $data)
{
$this->data[] = $data;
}
/**
* getFirst
* returns the first record in the collection
@ -467,9 +468,7 @@ class Doctrine_Collection2 extends Doctrine_Collection implements Countable, Ite
}
} elseif ($rel instanceof Doctrine_Relation_ForeignKey) {
foreach ($this->data as $key => $record) {
if ($record->state() == Doctrine_Record::STATE_TCLEAN
|| $record->state() == Doctrine_Record::STATE_TDIRTY
) {
if ( ! $record->exists()) {
continue;
}
$sub = new Doctrine_Collection($table);
@ -489,9 +488,7 @@ class Doctrine_Collection2 extends Doctrine_Collection implements Countable, Ite
$name = $table->getComponentName();
foreach ($this->data as $key => $record) {
if ($record->state() == Doctrine_Record::STATE_TCLEAN
|| $record->state() == Doctrine_Record::STATE_TDIRTY
) {
if ( ! $record->exists()) {
continue;
}
$sub = new Doctrine_Collection($table);
@ -515,11 +512,65 @@ class Doctrine_Collection2 extends Doctrine_Collection implements Countable, Ite
{
return new Doctrine_Collection_Iterator_Normal($this);
}
/**
* takeSnapshot
* takes a snapshot from this collection
*
* snapshots are used for diff processing, for example
* when a fetched collection has three elements, then two of those
* are being removed the diff would contain one element
*
* Doctrine_Collection::save() attaches the diff with the help of last
* snapshot.
*
* @return Doctrine_Collection
*/
public function takeSnapshot()
{
$this->_snapshot = $this->data;
return $this;
}
/**
* getSnapshot
* returns the data of the last snapshot
*
* @return array returns the data in last snapshot
*/
public function getSnapshot()
{
return $this->_snapshot;
}
/**
* processDiff
* processes the difference of the last snapshot and the current data
*
* an example:
* Snapshot with the objects 1, 2 and 4
* Current data with objects 2, 3 and 5
*
* The process would:
* 1. remove object 4
* 2. add objects 3 and 5
*
* @return Doctrine_Collection
*/
public function processDiff()
{
foreach (array_diff($this->snapshot, $this->data) as $record) {
$record->delete();
}
foreach (array_diff($this->data, $this->snapshot) as $record) {
$record->save();
}
return $this;
}
/**
* save
* saves all records of this collection
*
* @return void
* @return Doctrine_Collection
*/
public function save(Doctrine_Connection $conn = null)
{
@ -533,13 +584,16 @@ class Doctrine_Collection2 extends Doctrine_Collection implements Countable, Ite
}
$conn->commit();
return $this;
}
/**
* delete
* single shot delete
* deletes all records from this collection
* and uses only one database query to perform this operation
*
* @return boolean
* @return Doctrine_Collection
*/
public function delete(Doctrine_Connection $conn = null)
{
@ -556,6 +610,8 @@ class Doctrine_Collection2 extends Doctrine_Collection implements Countable, Ite
$conn->commit();
$this->data = array();
return $this;
}
/**
* getIterator