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ENHANCEMENT Added Hierarchy->flushCache() to clear in-memory caches for allChildrenIncludingDeleted() and allChildren()

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@70213 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2009-01-15 05:54:10 +00:00
parent 613d13e15d
commit 42fd02234d
1 changed files with 18 additions and 18 deletions
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36
core/model/Hierarchy.php
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@ -323,7 +323,7 @@ class Hierarchy extends DataObjectDecorator {
* @var array $idList Array to put results in.
*/
public function loadDescendantIDListInto(&$idList) {
if($children = $this->AllChildren()) {
if($children = $this->_cache_allChildren()) {
foreach($children as $child) {
if(in_array($child->ID, $idList)) {
continue;
@ -338,18 +338,13 @@ class Hierarchy extends DataObjectDecorator {
* Cached result for AllChildren().
* @var DataObjectSet
*/
protected $allChildren;
protected $_cache_allChildren;
/**
* Cached result for AllChildrenIncludingDeleted().
* @var DataObjectSet
*/
protected $allChildrenIncludingDeleted;
/**
* Cached result for Children().
*/
protected $children;
protected $_cache_allChildrenIncludingDeleted;
/**
* Get the children for this DataObject.
@ -366,11 +361,11 @@ class Hierarchy extends DataObjectDecorator {
public function AllChildren() {
// Cache the allChildren data, so that future requests will return the references to the same
// object. This allows the mark..() system to work appropriately.
if(!$this->allChildren) {
$this->allChildren = $this->owner->stageChildren(true);
if(!$this->_cache_allChildren) {
$this->_cache_allChildren = $this->owner->stageChildren(true);
}
return $this->allChildren;
return $this->_cache_allChildren;
}
/**
@ -395,11 +390,11 @@ class Hierarchy extends DataObjectDecorator {
// Cache the allChildren data, so that future requests will return the references to the same
// object. This allows the mark..() system to work appropriately.
if(!$this->allChildrenIncludingDeleted) {
if(!$this->_cache_allChildrenIncludingDeleted) {
$baseClass = ClassInfo::baseDataClass($this->owner->class);
if($baseClass) {
$stageChildren = $this->owner->stageChildren(true);
$this->allChildrenIncludingDeleted = $stageChildren;
$this->_cache_allChildrenIncludingDeleted = $stageChildren;
$this->owner->extend("augmentAllChildrenIncludingDeleted", $stageChildren, $context);
@ -442,12 +437,12 @@ class Hierarchy extends DataObjectDecorator {
}
}
$this->allChildrenIncludingDeleted = new DataObjectSet();
$this->_cache_allChildrenIncludingDeleted = new DataObjectSet();
// First, go through the stage children. They will all be listed but may be different colours
if($stageChildren) {
foreach($stageChildren as $child) {
$this->allChildrenIncludingDeleted->push($child);
$this->_cache_allChildrenIncludingDeleted->push($child);
}
}
@ -456,7 +451,7 @@ class Hierarchy extends DataObjectDecorator {
foreach($liveChildren as $child) {
// Not found on stage = deleted page. Anything else is ignored
if(!isset($idxFoundInStage[$child->ID])) {
$this->allChildrenIncludingDeleted->push($child);
$this->_cache_allChildrenIncludingDeleted->push($child);
}
}
}
@ -467,7 +462,7 @@ class Hierarchy extends DataObjectDecorator {
}
}
return $this->allChildrenIncludingDeleted;
return $this->_cache_allChildrenIncludingDeleted;
}
/**
@ -556,7 +551,7 @@ class Hierarchy extends DataObjectDecorator {
// child as the root of the search. This will stop the recursive call from searching backwards.
// If afterNode is given, then only search for the nodes after
if(!$afterNode || $afterNode->ParentID != $this->owner->ID) {
$children = $this->AllChildren();
$children = $this->_cache_allChildren();
} else {
$children = DataObject::get(ClassInfo::baseDataClass($this->owner->class), "\"$baseClass\".\"ParentID\"={$this->owner->ID}" . ( ( $afterNode ) ? " AND \"Sort\" > " . sprintf( '%d', $afterNode->Sort ) : "" ), '"Sort" ASC');
}
@ -584,6 +579,11 @@ class Hierarchy extends DataObjectDecorator {
return null;
}
function flushCache() {
$this->_cache_allChildrenIncludingDeleted = null;
$this->_cache_allChildren = null;
}
}
?>