Summary of XML Projection Parameters

This topic summarizes the XML projection options in Caché. Unless otherwise indicated, the class parameters are available in your XML-enabled classes, and the property parameters are available for properties of those classes.

Topic	Parameters
Enabling the XML projection. See “Projecting a Caché Object to XML.”	XMLENABLED class parameter
Mapping of properties to elements or attributes. See “Projecting Caché Objects to XML.”	XMLPROJECTION property parameter ("NONE", "ATTRIBUTE", "XMLATTRIBUTE", "CONTENT", "ELEMENT", or "WRAPPED") XMLSUMMARY class parameter XMLDEFAULTREFERENCE class parameter ("SUMMARY", "COMPLETE", "ID", "OID", or "GUID") XMLREFERENCE property parameter ("SUMMARY", "COMPLETE", "ID", "OID", or "GUID")
XML element names and attribute names. See “Controlling the XML Element and Attribute Names.”	XMLNAME class parameter XMLNAME property parameter XMLITEMNAME property parameter XMLKEYNAME property parameter Defaults are based on XML type names.
XML types. See “Controlling the Projection to XML Schemas.”	XMLTYPE class parameter XMLTYPE property parameter XSDTYPE class parameter
Namespaces. See “Specifying Namespaces for Elements and Attributes.”	NAMESPACE class parameter ELEMENTQUALIFIED class parameter (0 or 1) You can override this upon export. ELEMENTQUALIFIED property parameter (0 or 1) You can override this upon export. ATTRIBUTEQUALIFIED class parameter (0 or 1) You can override this upon export. XMLREF property parameter (0 or 1) REFNAMESPACE property parameter XMLPREFIX class parameter
Empty strings and nulls. See “Handling Empty Strings and Null Values.”	XMLUSEEMPTYELEMENT class parameter (0 or 1) XMLIGNORENULL class parameter (0, 1, "INPUTONLY", or "RUNTIME" XMLNIL class parameter (0 or 1) XMLNIL property parameter (0 or 1) You can override XMLNIL upon export or import if XMLIGNORENULL is "RUNTIME" XMLNILNOOBJECT class parameter (0 or 1) XMLNILNOOBJECT property parameter (0 or 1)
Escaping XML special characters. See “Handling Special XML Characters.”	CONTENT parameter ("STRING", "ESCAPE", "ESCAPE-C14N", or "MIXED") ESCAPE parameter ("XML" or "HTML")
Time zones. See “Handling the UTC Time Zone Indicator.”	XMLTIMEZONE property parameter ("UTC" or "IGNORE")
XML type details, including restrictions. See “Controlling the Projection to XML Schemas” and “Advanced Options for XML Schemas”	XMLTYPECONSTRAINT property parameter ("EXPLICIT", "CHOICE", or "SUBSTITUTIONGROUP") XMLINCLUDEINGROUP class parameter (0 or 1) XMLCHOICELIST property parameter XMLINHERITANCE class parameter ("left" or "right") Many Caché data type property parameters
Using property for input, output, or both. See “Controlling the Availability of Projected Properties.”	XMLIO property parameter ("INOUT", "IN", "OUT", or "CALC")
Controlling available XML document formats. See “Specifying Format Options for the XML Document.”	XMLFORMAT class parameter ("LITERAL", "ENCODED", or null for both formats)
Multiple elements with the same name. See “Handling a Document with Multiple Elements with the Same Name.”	XMLSEQUENCE class parameter (0 or 1)
Stream properties. See “Controlling the Line Endings of Stream Properties.”	XMLSTREAMMODE property parameter ("BLOCK" or "LINE")
Unexpected elements and attributes. See “Handling Unexpected Elements and Attributes on Import.”	XMLIGNOREINVALIDTAG class parameter (0 or 1) XMLIGNOREINVALIDATTRIBUTE class parameter (0 or 1)
Namespace prefixes. See “Controlling the Namespace Prefix on Export.”	XMLPREFIX class parameter
Specifying the pattern restriction in the schema.	XMLPATTERN property parameter

There is an additional parameter: the XMLELEMENTREF property parameter, which is deprecated (replaced by XMLREF), but will be supported indefinitely.