GetMetaData
497
GetMetaData
Description
Gets metadata (the methods, properties, and parameters of a component) associated with an
object that is deployed on the ColdFusion server. This functionality, called introspection, lets
applications dynamically determine how to use a component.
Returns
Key-value pairs, as a component descriptor data structure or as structured XML
Category
System functions
Function syntax
GetMetaData
(
object
)
or, if used within a ColdFusion component:
GetMetaData
(
this
)
History
ColdFusion MX: Added this function.
Parameters
Usage
The
this
scope is available at runtime to the component body and to the invoked method’s
function body. It is used to read and write variables that are present during the life of the
component.
Component metadata
contains at least the following keys:
•
name
: the component name
•
path
: an absolute path to the component
•
extends
: ancestor component metadata
•
functions
: an array of metadata for each component function
Other component attributes are returned as additional keys.
Function metadata
contains at least the following keys:
•
name
: the function name
•
parameters
: an array of argument metadata
Other function attributes are returned as additional keys.
Argument metadata
contains at least the following key:
•
name
: the argument name
Other argument attributes are returned as additional keys.
Parameter
Description
object
Reference to an object; use this attribute to call a function from a CFML page
this
Reference to an object; use this attribute to call a function from a component.
Summary of Contents for COLDFUSION MX 61-CFML
Page 1: ...CFML Reference...
Page 16: ...16 Contents...
Page 32: ...32 Chapter 1 Reserved Words and Variables...
Page 160: ...160 Chapter 2 ColdFusion Tags html...
Page 245: ...cfmail 245 p input type Submit name form...
Page 299: ...cfreturn 299 cffunction cfcomponent...
Page 354: ...354 Chapter 2 ColdFusion Tags cfoutput cfcatch cftry...
Page 357: ...cfupdate 357 cftable cfif body html...
Page 362: ...362 Chapter 2 ColdFusion Tags cfloop MyDoc cfxml cfdump var MyDoc...
Page 397: ...ASin 397 br input type Text name sinNum size 25 p input type Submit name input type RESET form...
Page 486: ...486 Chapter 3 ColdFusion Functions input type Submit NAME form...
Page 492: ...492 Chapter 3 ColdFusion Functions b http_content x content b cfoutput...
Page 504: ...504 Chapter 3 ColdFusion Functions tr table form...
Page 519: ...IIf 519 cfoutput b...
Page 534: ...534 Chapter 3 ColdFusion Functions input type Submit name form...
Page 542: ...542 Chapter 3 ColdFusion Functions cfif cfif...
Page 547: ...IsStruct 547 cfcase cfswitch...
Page 550: ...550 Chapter 3 ColdFusion Functions IsWDDX returns IsWDDX packet br cfoutput...
Page 559: ...Left 559 option value 9 9 select input type Submit name Remove characters form...
Page 620: ...620 Chapter 3 ColdFusion Functions cfoutput cfloop...
Page 681: ...SetVariable 681 p Your variable varName p The value of varName is varNameValue cfoutput cfif...
Page 724: ...724 Chapter 3 ColdFusion Functions cfelse h3 Conversion error h3 cfif...
Page 743: ...XmlNew 743 cfscript cfdump var MyDoc...
Page 786: ...786 Chapter 5 ColdFusion Java CFX Reference...
Page 798: ...798 Chapter 6 WDDX JavaScript Objects...
Page 806: ...806 Chapter 7 ColdFusion ActionScript Functions...