| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!-- saved from url=(0014)about:internet --><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><link rel="stylesheet" href="../../style.css" type="text/css" media="screen"><link rel="stylesheet" href="../../print.css" type="text/css" media="print"><link rel="stylesheet" href="../../override.css" type="text/css"><meta name="keywords" content="ContentCache,spark.core.ContentCache,ALPHA,AUTO,CLIP,DOWN,END,HOME,LEFT,LUMINOSITY,NEVER,OWNS_SHARED_OBJECT,OWNS_UNSHARED_OBJECT,PAGE_DOWN,PAGE_LEFT,PAGE_RIGHT,PAGE_UP,RIGHT,UNTRUSTED,UP,USES_SHARED_OBJECT,accessibilityProperties,activeRequests,baseline,baselinePosition,blendMode,bottom,cacheEntries,cachedData,clipAndEnableScrolling,complete,content,contentHeight,contentWidth,depth,designLayer,displayAsPassword,displayObject,displayObjectSharingMode,editable,enableCaching,enableQueueing,enabled,focusEnabled,hasLayoutMatrix3D,horizontalCenter,horizontalScrollPosition,horizontalScrollPosition,id,includeInLayout,is3D,isTruncated,layoutDirection,left,lineBreak,luminosityClip,luminosityInvert,mask,maskType,maxActiveRequests,maxCacheEntries,maxChars,moduleFactory,multiline,numCacheEntries,owner,percentHeight,percentWidth,postLayoutTransformOffsets,priorityGroup,redrawRequested,requestQueue,restrict,right,rotationX,rotationY,selectable,selectionActivePosition,selectionAnchorPosition,tabIndex,text,top,transformX,transformY,transformZ,verticalCenter,verticalScrollPosition,verticalScrollPosition,viewHeight,viewWidth,visible,addCacheEntry,appendText,canShareWithNext,canShareWithPrevious,createDisplayObject,getBoundsXAtSize,getBoundsYAtSize,getCacheEntry,getHorizontalScrollPositionDelta,getLayoutBoundsHeight,getLayoutBoundsWidth,getLayoutBoundsX,getLayoutBoundsY,getLayoutMatrix,getLayoutMatrix3D,getMaxBoundsHeight,getMaxBoundsWidth,getMinBoundsHeight,getMinBoundsWidth,getPreferredBoundsHeight,getPreferredBoundsWidth,getVerticalScrollPositionDelta,initialized,insertText,invalidateGraphicElementDisplayList,invalidateGraphicElementProperties,invalidateGraphicElementSharing,invalidateGraphicElementSize,invalidateLayoutDirection,invalidateParentSizeAndDisplayList,isNavigationUnit,keepSoftKeyboardActive,load,load,parentChanged,prepareForTouchScroll,prioritize,removeAllCacheEntries,removeAllQueueEntries,removeCacheEntry,scrollToRange,selectAll,selectRange,setFocus,setLayoutBoundsPosition,setLayoutBoundsSize,setLayoutMatrix,setLayoutMatrix3D,setSharedDisplayObject,transformAround,transformHeightForLayout,transformPointToParent,transformWidthForLayout,validateDisplayList,validateProperties,validateSize"><title>spark.core.ContentCache</title></head><body><script language="javascript" type="text/javascript" src="../../asdoc.js"></script><script language="javascript" type="text/javascript" src="../../help.js"></script><script language="javascript" type="text/javascript" src="../../cookies.js"></script><script language="javascript" type="text/javascript"><!-- |
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| </script><table class="titleTable" cellpadding="0" cellspacing="0" id="titleTable" style="display:none"><tr><td class="titleTableTitle" align="left">Apache Flex 4.16.1 API Reference </td><td class="titleTableTopNav" align="right"><a href="../../package-summary.html" onclick="loadClassListFrame('../../all-classes.html')">All Packages</a> | <a href="../../class-summary.html" onclick="loadClassListFrame('../../all-classes.html')">All Classes</a> | <a href="../../all-index-A.html" onclick="loadClassListFrame('../../index-list.html')">Index</a> | <a id="framesLink1" href="../../index.html?spark/core/ContentCache.html&spark/core/class-list.html">Frames</a><a id="noFramesLink1" style="display:none" href="" onclick="parent.location=document.location"> No Frames </a></td><td class="titleTableLogo" align="right" rowspan="3"><img src="../../images/logo.jpg" class="logoImage" alt="AdobeLogo" title="AdobeLogo"></td></tr><tr class="titleTableRow2"><td class="titleTableSubTitle" id="subTitle" align="left">ContentCache</td><td class="titleTableSubNav" id="subNav" align="right"><a href="#propertySummary">Properties</a> | <a href="#methodSummary">Methods</a> | <a href="#eventSummary">Events</a> | <a href="#constantSummary">Constants</a></td></tr><tr class="titleTableRow3"><td colspan="3"> </td></tr></table><script language="javascript" type="text/javascript" xml:space="preserve"> |
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| </script><div xmlns:fn="http://www.w3.org/2005/xpath-functions" class="MainContent"><table class="classHeaderTable" cellpadding="0" cellspacing="0"><tr><td class="classHeaderTableLabel">Package</td><td><a href="package-detail.html" onclick="javascript:loadClassListFrame('class-list.html')">spark.core</a></td></tr><tr><td class="classHeaderTableLabel">Class</td><td class="classSignature">public class ContentCache</td></tr><tr><td class="classHeaderTableLabel">Inheritance</td><td class="inheritanceList">ContentCache <img src="../../images/inherit-arrow.gif" title="Inheritance" alt="Inheritance" class="inheritArrow"> flash.events.EventDispatcher</td></tr><tr><td class="classHeaderTableLabel">Implements</td><td> <a href="../../spark/core/IContentLoader.html">IContentLoader</a></td></tr></table><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p></p><p></p> |
| Provides a caching and queuing image content loader suitable for using |
| a shared image cache for the BitmapImage and spark Image components. |
| |
| <p></p><br/><hr></div><a name="propertySummary"></a><div class="summarySection"><div class="summaryTableTitle">Public Properties</div><table cellspacing="0" cellpadding="3" class="summaryTable " id="summaryTableProperty"><tr><th> </th><th colspan="2">Property</th><th class="summaryTableOwnerCol">Defined By</th></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><a href="#enableCaching" class="signatureLink">enableCaching</a> : Boolean<div class="summaryTableDescription"> |
| Enables caching behavior and functionality.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><a href="#enableQueueing" class="signatureLink">enableQueueing</a> : Boolean<div class="summaryTableDescription"> |
| Enables queuing behavior and functionality.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><a href="#maxActiveRequests" class="signatureLink">maxActiveRequests</a> : int<div class="summaryTableDescription"> |
| Maximum simultaneous active requests when queuing is |
| enabled.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><a href="#maxCacheEntries" class="signatureLink">maxCacheEntries</a> : int<div class="summaryTableDescription"> |
| Maximum size of MRU based cache.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><a href="#numCacheEntries" class="signatureLink">numCacheEntries</a> : int<div class="summaryTableDescription">[read-only] |
| Count of active/in-use cache entries.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr></table></div><a name="protectedPropertySummary"></a><div class="summarySection"><div class="summaryTableTitle">Protected Properties</div><table cellspacing="0" cellpadding="3" class="summaryTable " id="summaryTableProtectedProperty"><tr><th> </th><th colspan="2">Property</th><th class="summaryTableOwnerCol">Defined By</th></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><a href="#activeRequests" class="signatureLink">activeRequests</a> : <a href="../../mx/utils/LinkedList.html">LinkedList</a><div class="summaryTableDescription"> |
| List of queued CacheEntryNode instances currently executing.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><a href="#cachedData" class="signatureLink">cachedData</a> : Dictionary<div class="summaryTableDescription"> |
| Map of source to CacheEntryNode.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><a href="#cacheEntries" class="signatureLink">cacheEntries</a> : <a href="../../mx/utils/LinkedList.html">LinkedList</a><div class="summaryTableDescription"> |
| Ordered (MRU) list of CacheEntryNode instances.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><a href="#priorityGroup" class="signatureLink">priorityGroup</a> : String = _DEFAULT_<div class="summaryTableDescription"> |
| Identifier of the currently prioritized content grouping.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><a href="#requestQueue" class="signatureLink">requestQueue</a> : <a href="../../mx/utils/LinkedList.html">LinkedList</a><div class="summaryTableDescription"> |
| List of queued CacheEntryNode instances.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr></table></div><a name="methodSummary"></a><div class="summarySection"><div class="summaryTableTitle">Public Methods </div><table cellspacing="0" cellpadding="3" class="summaryTable " id="summaryTableMethod"><tr><th> </th><th colspan="2">Method</th><th class="summaryTableOwnerCol">Defined By</th></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#ContentCache()" class="signatureLink">ContentCache</a>()</div><div class="summaryTableDescription"> |
| Constructor.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#addCacheEntry()" class="signatureLink">addCacheEntry</a>(source:Object, value:Object):void</div><div class="summaryTableDescription"> |
| Adds new entry to cache (or replaces existing entry).</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#getCacheEntry()" class="signatureLink">getCacheEntry</a>(source:Object):Object</div><div class="summaryTableDescription"> |
| Obtain an entry for the given key if one exists.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#load()" class="signatureLink">load</a>(source:Object, contentLoaderGrouping:String = null):<a href="../../spark/core/ContentRequest.html">ContentRequest</a></div><div class="summaryTableDescription"> |
| Initiates a content request for the resource identified |
| by the key specified.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#prioritize()" class="signatureLink">prioritize</a>(contentLoaderGrouping:String):void</div><div class="summaryTableDescription"> |
| Promotes a content grouping to the head of the loading queue.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#removeAllCacheEntries()" class="signatureLink">removeAllCacheEntries</a>():void</div><div class="summaryTableDescription"> |
| Resets our cache content to initial empty state.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#removeAllQueueEntries()" class="signatureLink">removeAllQueueEntries</a>():void</div><div class="summaryTableDescription"> |
| Resets the queue to initial empty state.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#removeCacheEntry()" class="signatureLink">removeCacheEntry</a>(source:Object):void</div><div class="summaryTableDescription"> |
| Remove specific entry from cache.</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr></table></div><a name="eventSummary"></a><div class="summarySection"><div class="summaryTableTitle">Events</div><table cellspacing="0" cellpadding="3" class="summaryTable " id="summaryTableEvent"><tr><th> </th><th colspan="2">Event</th><th> Summary </th><th class="summaryTableOwnerCol">Defined By</th></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#event:invalidateLoader" class="signatureLink">invalidateLoader</a></div></td><td class="summaryTableDescription summaryTableCol">Dispatched when a cache entry is invalidated, generally this occurs when the entry is determined to be untrusted while one or more outstanding load requests are active for a given cache entry.</td><td class="summaryTableOwnerCol">ContentCache</td></tr></table></div><a name="protectedConstantSummary"></a><div class="summarySection"><div class="summaryTableTitle">Protected Constants</div><table cellspacing="0" cellpadding="3" class="summaryTable " id="summaryTableProtectedConstant"><tr><th> </th><th colspan="2">Constant</th><th class="summaryTableOwnerCol">Defined By</th></tr><tr class=""><td class="summaryTablePaddingCol"> </td><td class="summaryTableInheritanceCol"> </td><td class="summaryTableSignatureCol"><a href="#UNTRUSTED" class="signatureLink">UNTRUSTED</a> : String = untrusted<div class="summaryTableDescription">[static] |
| Value used to mark cached URLs that are detected as being from an |
| untrusted source (meaning they will no longer be shareable).</div></td><td class="summaryTableOwnerCol">ContentCache</td></tr></table></div><script language="javascript" type="text/javascript"><!-- |
| showHideInherited(); |
| --></script><div class="MainContent"><div class="detailSectionHeader">Property Detail</div><a name="propertyDetail"></a><a name="activeRequests"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">activeRequests</td><td class="detailHeaderType">property</td></tr></table><div class="detailBody"><code>protected var activeRequests:<a href="../../mx/utils/LinkedList.html">LinkedList</a></code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| List of queued CacheEntryNode instances currently executing. |
| |
| </p></div><a name="propertyDetail"></a><a name="cachedData"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">cachedData</td><td class="detailHeaderType">property</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code>protected var cachedData:Dictionary</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Map of source to CacheEntryNode. |
| |
| </p></div><a name="propertyDetail"></a><a name="cacheEntries"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">cacheEntries</td><td class="detailHeaderType">property</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code>protected var cacheEntries:<a href="../../mx/utils/LinkedList.html">LinkedList</a></code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Ordered (MRU) list of CacheEntryNode instances. |
| |
| </p></div><a name="propertyDetail"></a><a name="enableCaching"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">enableCaching</td><td class="detailHeaderType">property</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code>enableCaching:Boolean</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Enables caching behavior and functionality. Applies only to new |
| load() requests. |
| |
| </p><p> The default value is <code>true</code>.</p><br/><span class="label"> Implementation </span><br/><code> public function get enableCaching():Boolean</code><br/><code> public function set enableCaching(value:Boolean):void</code><br/></div><a name="propertyDetail"></a><a name="enableQueueing"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">enableQueueing</td><td class="detailHeaderType">property</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code>enableQueueing:Boolean</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Enables queuing behavior and functionality. Applies only to new |
| load() requests. |
| |
| </p><p> The default value is <code>false</code>.</p><br/><span class="label"> Implementation </span><br/><code> public function get enableQueueing():Boolean</code><br/><code> public function set enableQueueing(value:Boolean):void</code><br/></div><a name="propertyDetail"></a><a name="maxActiveRequests"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">maxActiveRequests</td><td class="detailHeaderType">property</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code>maxActiveRequests:int</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Maximum simultaneous active requests when queuing is |
| enabled. |
| |
| </p><p> The default value is <code>2</code>.</p><br/><span class="label"> Implementation </span><br/><code> public function get maxActiveRequests():int</code><br/><code> public function set maxActiveRequests(value:int):void</code><br/></div><a name="propertyDetail"></a><a name="maxCacheEntries"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">maxCacheEntries</td><td class="detailHeaderType">property</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code>maxCacheEntries:int</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Maximum size of MRU based cache. When numCacheEntries exceeds |
| maxCacheEntries the least recently used are pruned to fit. |
| |
| </p><p> The default value is <code>100</code>.</p><br/><span class="label"> Implementation </span><br/><code> public function get maxCacheEntries():int</code><br/><code> public function set maxCacheEntries(value:int):void</code><br/></div><a name="propertyDetail"></a><a name="numCacheEntries"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">numCacheEntries</td><td class="detailHeaderType">property</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code>numCacheEntries:int</code> [read-only] <p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Count of active/in-use cache entries. |
| |
| </p><br/><span class="label"> Implementation </span><br/><code> public function get numCacheEntries():int</code><br/></div><a name="propertyDetail"></a><a name="priorityGroup"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">priorityGroup</td><td class="detailHeaderType">property</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code>protected var priorityGroup:String = _DEFAULT_</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Identifier of the currently prioritized content grouping. |
| </p><p> The default value is <code>"_DEFAULT_"</code>.</p></div><a name="propertyDetail"></a><a name="requestQueue"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">requestQueue</td><td class="detailHeaderType">property</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code>protected var requestQueue:<a href="../../mx/utils/LinkedList.html">LinkedList</a></code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| List of queued CacheEntryNode instances. |
| |
| </p></div><a name="constructorDetail"></a><div class="detailSectionHeader">Constructor Detail</div><a name="ContentCache()"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">ContentCache</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">Constructor</td></tr></table><div class="detailBody"><code>public function ContentCache()</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p> |
| Constructor. |
| |
| </p></div><a name="methodDetail"></a><div class="detailSectionHeader">Method Detail</div><a name="addCacheEntry()"></a><a name="addCacheEntry(Object,Object)"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">addCacheEntry</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td></tr></table><div class="detailBody"><code> public function addCacheEntry(source:Object, value:Object):void</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Adds new entry to cache (or replaces existing entry). |
| |
| </p><p><span class="label"> Parameters </span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20px"></td><td><code><span class="label">source</span>:Object</code> — Unique key to associate provided value with in cache. |
| </td></tr><tr><td class="paramSpacer"> </td></tr><tr><td width="20px"></td><td><code><span class="label">value</span>:Object</code> — Value to cache for given key. |
| |
| </td></tr></table></p></div><a name="getCacheEntry()"></a><a name="getCacheEntry(Object)"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">getCacheEntry</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code> public function getCacheEntry(source:Object):Object</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Obtain an entry for the given key if one exists. |
| |
| </p><p><span class="label"> Parameters </span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20px"></td><td><code><span class="label">source</span>:Object</code> — Unique key used to represent the requested content resource. |
| |
| </td></tr></table></p><p></p><span class="label">Returns</span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20"></td><td><code>Object</code> — A value being stored by the cache for the provided key. Returns |
| null if not found or in the likely case the value was stored as null. |
| |
| </td></tr></table></div><a name="load()"></a><a name="load(Object,String)"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">load</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code> public function load(source:Object, contentLoaderGrouping:String = null):<a href="../../spark/core/ContentRequest.html">ContentRequest</a></code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 2.5</td></tr></table><p></p><p></p><p> |
| Initiates a content request for the resource identified |
| by the key specified. |
| </p><p><span class="label"> Parameters </span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20px"></td><td><code><span class="label">source</span>:Object</code> — Unique key used to represent the requested content resource. |
| This parameter is typically an URL or URLRequest. |
| </td></tr><tr><td class="paramSpacer"> </td></tr><tr><td width="20px"></td><td><code><span class="label">contentLoaderGrouping</span>:String</code> (default = <code>null</code>)<code></code> — - (Optional) grouping identifier for the loaded resource. |
| ContentLoader instances supporting content groups generally allow for |
| resources within the same named grouping to be addressed as a whole. For |
| example the ContentCache's loader queue allows requests to be prioritized |
| by contentLoaderGrouping. |
| </td></tr></table></p><p></p><span class="label">Returns</span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20"></td><td><code><a href="../../spark/core/ContentRequest.html">ContentRequest</a></code> — A ContentRequest instance representing the requested resource. |
| |
| </td></tr></table></div><a name="prioritize()"></a><a name="prioritize(String)"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">prioritize</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code> public function prioritize(contentLoaderGrouping:String):void</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Promotes a content grouping to the head of the loading queue. |
| |
| </p><p><span class="label"> Parameters </span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20px"></td><td><code><span class="label">contentLoaderGrouping</span>:String</code> — Name of content grouping to promote |
| in the loading queue. All queued requests with matching |
| contentLoaderGroup will be shifted to the head of the queue. |
| |
| </td></tr></table></p></div><a name="removeAllCacheEntries()"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">removeAllCacheEntries</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code> public function removeAllCacheEntries():void</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Resets our cache content to initial empty state. |
| |
| </p></div><a name="removeAllQueueEntries()"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">removeAllQueueEntries</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code> public function removeAllQueueEntries():void</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Resets the queue to initial empty state. All requests, both active |
| and queued, are cancelled. All cache entries associated with canceled |
| requests are invalidated. |
| |
| </p></div><a name="removeCacheEntry()"></a><a name="removeCacheEntry(Object)"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">removeCacheEntry</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule"> </td></tr></table><div class="detailBody"><code> public function removeCacheEntry(source:Object):void</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p> |
| Remove specific entry from cache. |
| |
| </p><p><span class="label"> Parameters </span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20px"></td><td><code><span class="label">source</span>:Object</code> — Unique key for value to remove from cache. |
| |
| </td></tr></table></p></div><div class="detailSectionHeader"> Event Detail </div><a name="event:invalidateLoader"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">invalidateLoader</td><td class="detailHeaderType"> Event </td></tr></table><div class="detailBody"><span class="label">Event Object Type: </span><a href="../../spark/events/LoaderInvalidationEvent.html"><code>spark.events.LoaderInvalidationEvent</code></a><br/><span class="label">LoaderInvalidationEvent.type property = </span><code>spark.events.LoaderInvalidationEvent</code><br/><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 10, AIR 2.0</td></tr></table><p></p><p></p><p> |
| Dispatched when a cache entry is invalidated, generally this |
| occurs when the entry is determined to be untrusted while one or |
| more outstanding load requests are active for a given cache entry. |
| This mechanism allows any outstanding content requests to be reset |
| due to the fact that the cache entry has been deemed 'unshareable'. |
| Each content request notified then attempts instead re-requests the |
| asset. |
| </p></div><div class="detailSectionHeader">Constant Detail</div><a name="constantDetail"></a><a name="UNTRUSTED"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">UNTRUSTED</td><td class="detailHeaderType">Constant</td></tr></table><div class="detailBody"><code>protected static const UNTRUSTED:String = untrusted</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version : </b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version : </b></td><td>Flex 4.5</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions : </b></td><td>Flash Player 9, AIR 1.1</td></tr></table><p></p><p></p><p> |
| Value used to mark cached URLs that are detected as being from an |
| untrusted source (meaning they will no longer be shareable). |
| |
| </p></div><br/><br/><hr><br/><p></p><center class="copyright"><footer>The Apache Software Foundation</footer><br/>Wed Nov 15 2017, 09:50 AM +01:00 </center></div></body></html><!--The Apache Software Foundation<br/>Wed Nov 15 2017, 09:50 AM +01:00 --> |
