CacheGetSession

Last updated on May 30, 2024 | Also applies to ColdFusion

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CFML Reference User Guide
ColdFusion functions
ColdFusion tags
1. ColdFusion tag summary
2. ColdFusion tags by category
  1. Application framework tags
    1. cfapplication
    2. cfassociate
    3. cferror
    4. cfimport
    5. cfinterface
    6. cflock
    7. cfscript
    8. cfthread
  2. Communications tags
  3. Database manipulation tags
  4. Data output tags
    1. cfchart
  5. Debugging tags
    1. cfdump
    2. cftimer
    3. cftrace
  6. Exception handling tags
    1. cfcatch
    2. cferror
    3. cffinally
    4. cfrethrow
    5. cfthrow
    6. cftry
  7. Extensibility tags
    1. cfchart
    2. cfchartdata
    3. cfchartseries
    4. cfcollection
    5. cfcomponent
    6. cfexecute
    7. cfftp
    8. function
    9. cfindex
    10. cfinterface
    11. cfinvoke
    12. cfinvokeargument
    13. cfobject
    14. cfproperty
    15. cfreport
    16. cfreportparam
    17. cfreturn
    18. cfsearch
    19. cfsharepoint
    20. cfspreadsheet
    21. cfwddx
    22. cfxml
  8. File management tags
    1. cfdirectory
    2. cffile
    3. cffileupload
    4. cfftp
    5. cfzip
    6. cfzipparam
  9. Flow-control tags
    1. cfabort
    2. cfbreak
    3. cfcase
    4. cfcontinue
    5. cfdefaultcase
    6. cfelse
    7. cfelseif
    8. cfexecute
    9. cfexit
    10. cfif
    11. cfinclude
    12. cflocation
    13. cfloop
    14. cfrethrow
    15. cfswitch
    16. cfthrow
    17. cftry
  10. Forms tags
    1. cfapplet
    2. cfcalendar
    3. cffileupload
    4. cfform
    5. cfformgroup
    6. cfformitem
    7. cfgrid
    8. cfgridcolumn
    9. cfgridrow
    10. cfgridupdate
    11. cfinput
    12. cfpdf
    13. cfpdfform
    14. cfpdfformparam
    15. cfpdfparam
    16. cfpdfsubform
    17. cfselect
    18. cfslider
    19. cftextarea
    20. cftree
    21. cftreeitem
  11. Internet Protocol tags
    1. cfajaximport
    2. cfajaxproxy
    3. cfftp
    4. cffeed
    5. cfimap
    6. cfhttp
    7. cfhttpparam
    8. cfldap
    9. cfmail
    10. cfmailparam
    11. cfmailpart
    12. cfpop
    13. cfsprydataset
  12. Page processing tags
    1. cfcache
    2. cfcontent
    3. cfflush
    4. cfheader
    5. cfhtmlhead
    6. cfinclude
    7. cfprocessingdirective
    8. cfsetting
    9. cfsilent
  13. Security tags
  14. Variable manipulation tags
    1. cfcookie
    2. cfdump
    3. cfparam
    4. cfregistry
    5. cfsavecontent
    6. cfschedule
    7. cfset
    8. cfsetting
  15. Other tags
    1. cfimage
    2. cflog
    3. cfregistry
3. Tags a-b
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5. Tags f
6. Tags g-h
  1. cfgraph
  2. cfgraphdata
  3. cfgrid
  4. cfgridcolumn
  5. cfgridrow
  6. cfgridupdate
  7. cfheader
  8. cfhtmlhead
  9. cfhtmltopdf
  10. cfhtmltopdfitem
  11. cfhttp
  12. cfhttpparam
7. Tags i
  1. cfif
  2. cfimage
  3. cfimap
  4. cfimapfilter
  5. cfimpersonate
  6. cfimport
  7. cfinclude
  8. cfindex
  9. cfinput
  10. cfinsert
  11. cfinterface
  12. cfinvoke
  13. cfinvokeargument
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  1. cfparam
  2. cfpdf
  3. cfpdfform
  4. cfpdfformparam
  5. cfpdfparam
  6. cfpdfsubform
  7. cfpod
  8. cfpop
  9. cfpresentation
  10. cfpresentationslide
  11. cfpresenter
  12. cfprint
  13. cfprocessingdirective
  14. cfprocparam
  15. cfprocresult
  16. cfprogressbar
  17. cfproperty
  18. cfquery
  19. cfqueryparam
11. Tags r-s
  1. cfregistry
  2. cfreport
  3. cfreportparam
  4. cfrethrow
  5. cfreturn
  6. cfsavecontent
  7. cfschedule
  8. cfscript
  9. cfsearch
  10. cfselect
  11. cfservlet
  12. cfservletparam
  13. cfset
  14. cfsetting
  15. cfsharepoint
  16. cfsilent
  17. cfslider
  18. cfspreadsheet
  19. cfsprydataset
  20. cfstoredproc
  21. cfswitch
12. Tags t
  1. cftable
  2. cftextarea
  3. cftextinput
  4. cfthread
  5. cfthrow
  6. cftimer
  7. cftooltip
  8. cftrace
  9. cftransaction
  10. cftree
  11. cftreeitem
  12. cftry
13. Tags u-z
  1. cfupdate
  2. cfwddx
  3. cfwebsocket
  4. cfwindow
  5. cfxml
  6. cfzip
  7. cfzipparam
CFML Reference
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Cloud services

Description

Lets you retrieve the underlying cache object to access additional cache functionality that is not implemented in the tag cfcache .

Note: CautionUsing the cacheGetSession function might pose security vulnerabilities. If you wish to disable the usage of this function, add it to Sandbox Security. For more information, see Using sandbox security.

Returns

The underlying cache object.

Syntax

cacheGetSession(objectType,[isKey])

cacheGetSession(objectType,[isKey])

Parameters

Parameter	Description
objectType	Any of the following values: object template name of the user-defined cache
isKey	(Optional) Set to true if objectType is user-defined cache. The default value is false.

Parameter

Description

objectType

Any of the following values:

object
template
name of the user-defined cache

isKey

(Optional) Set to true if objectType is user-defined cache. The default value is false.

History

ColdFusion 9.0.1: Added this function

Example 1

The following example shows how to create a user-defined cache by adding an entry in ehCache .xml:

<cache

name="customcache"

maxElementsInMemory="1000"

eternal="false"

timeToIdleSeconds="720"

timeToLiveSeconds="720"

overflowToDisk="true"

diskSpoolBufferSizeMB="10"

maxElementsOnDisk="100000"

diskPersistent="true"

diskExpiryThreadIntervalSeconds="3600"

memoryStoreEvictionPolicy="LRU"/>

<cache 
name="customcache" 
maxElementsInMemory="1000" 
eternal="false" 
timeToIdleSeconds="720" 
timeToLiveSeconds="720" 
overflowToDisk="true" 
diskSpoolBufferSizeMB="10" 
maxElementsOnDisk="100000" 
diskPersistent="true" 
diskExpiryThreadIntervalSeconds="3600" 
memoryStoreEvictionPolicy="LRU"/>

After you specify the details in the ehCache.xml, you can use the user-defined cache as shown here:

getMaxElementsInMemory() :: #config.getMaxElementsInMemory()#

isEternal() :: #config.isEternal()#

getTimeToIdleSeconds() :: #config.getTimeToIdleSeconds()#

getTimeToLiveSeconds() :: #config.getTimeToLiveSeconds()#

isOverflowToDisk() :: #config.isOverflowToDisk()#

getDiskSpoolBufferSizeMB() :: #config.getDiskSpoolBufferSizeMB()#

getMaxElementsOnDisk() :: #config.getMaxElementsOnDisk()#

isDiskPersistent() :: #config.isDiskPersistent()#

getDiskExpiryThreadIntervalSeconds() :: #config.getDiskExpiryThreadIntervalSeconds()#

getMemoryStoreEvictionPolicy() :: #config.getMemoryStoreEvictionPolicy()#

isClearOnFlush() :: #config.isClearOnFlush()#

</cfoutput>

<cfset cachePut("cache1","hello",15,15,customCache)>  <cfset objectCache = cachegetsession(customCache,true)>  <cfset config = objectCache.getCacheConfiguration()> <cfoutput> getMaxElementsInMemory() :: #config.getMaxElementsInMemory()# isEternal() :: #config.isEternal()# getTimeToIdleSeconds() :: #config.getTimeToIdleSeconds()# getTimeToLiveSeconds() :: #config.getTimeToLiveSeconds()# isOverflowToDisk() :: #config.isOverflowToDisk()# getDiskSpoolBufferSizeMB() :: #config.getDiskSpoolBufferSizeMB()# getMaxElementsOnDisk() :: #config.getMaxElementsOnDisk()# isDiskPersistent() :: #config.isDiskPersistent()# getDiskExpiryThreadIntervalSeconds() :: #config.getDiskExpiryThreadIntervalSeconds()# getMemoryStoreEvictionPolicy() :: #config.getMemoryStoreEvictionPolicy()# isClearOnFlush() :: #config.isClearOnFlush()# </cfoutput>

<!--- put an object into user-defined object cache ---> 
<cfset cachePut("cache1","hello",15,15,customCache)> 

<!--- get underlying user-defined object cache ---> 
<cfset objectCache = cachegetsession(customCache,true)> 

<!--- get/print user-defined object cache properties ---> 
<cfset config = objectCache.getCacheConfiguration()> 
<cfoutput> 
getMaxElementsInMemory() :: #config.getMaxElementsInMemory()#<br> 
isEternal() :: #config.isEternal()#<br> 
getTimeToIdleSeconds() :: #config.getTimeToIdleSeconds()#<br> 
getTimeToLiveSeconds() :: #config.getTimeToLiveSeconds()#<br> 
isOverflowToDisk() :: #config.isOverflowToDisk()#<br> 
getDiskSpoolBufferSizeMB() :: #config.getDiskSpoolBufferSizeMB()#<br> 
getMaxElementsOnDisk() :: #config.getMaxElementsOnDisk()#<br> 
isDiskPersistent() :: #config.isDiskPersistent()#<br> 
getDiskExpiryThreadIntervalSeconds() :: #config.getDiskExpiryThreadIntervalSeconds()#<br> 
getMemoryStoreEvictionPolicy() :: #config.getMemoryStoreEvictionPolicy()#<br> 
isClearOnFlush() :: #config.isClearOnFlush()#<br> 
</cfoutput>

Example 2

The following example shows how to use the function cacheGetSession to operate on default caches:

<cfset cachePut("cache1","hello",15,15)>  <cfset objectCache = cachegetsession("object",true)>  <cfset config = objectCache.getCacheConfiguration()>

<!--- put an object into user-defined object cache ---> 
<cfset cachePut("cache1","hello",15,15)> 

<!--- get underlying user-defined object cache ---> 
<cfset objectCache = cachegetsession("object",true)> 

<!--- get/print user-defined object cache properties ---> 
<cfset config = objectCache.getCacheConfiguration()>

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CacheGetSession

Description

Returns

Syntax

Parameters

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History

Example 1

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