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The following page has been changed by assertions: http://wiki.apache.org/xerces/XML_Schema_1%2e1_Assertions ------------------------------------------------------------------------------ ## page was renamed from assertions - ''Assertions'' is a new facility in XML Schema 1.1 language. It's officially described here, in the W3C spec, http://www.w3.org/TR/xmlschema11-1/#cAssertions. + ''Assertions'' is a new facility in XML Schema 1.1 language. It's officially described here, in the W3C spec, http://www.w3.org/TR/xmlschema11-1/#cAssertions. For an explanation of assertions feature and to know number of practical examples, please read the article [2] in "References" section below. This page describes implementation details of XML Schema 1.1 assertions feature, in [http://xerces.apache.org/xerces2-j/ Xerces-J] XML Schema processor. @@ -116, +116 @@ '''Run-time notes''' - 1. By default, the Xerces-J Schema processor would select the PsychoPath engine for XPath 2.0 processing. Xerces-J has a provision for the user, to select between different XPath 2.0 engines for evaluating assertions. This can be done by setting the Java system property, '''org.apache.xerces.assertProcessor'''. Xerces-J has an out of the box support for PsychoPath and Saxon-b engines. If the user doesn't set this property, or set it's value to, '''org.apache.xerces.impl.xs.XMLAssertPsychopathImpl''', the PsychoPath processor would be selected for XPath 2.0 processing. For selecting Saxon-b as the XPath 2.0 engine, the user needs to set the value of this property to, '''org.apache.xerces.impl.xs.XMLAssertSaxonImpl'''. + 1. By default, the Xerces-J Schema processor would select the PsychoPath engine for XPath 2.0 processing. Xerces-J has a provision for the user, to select between different XPath 2.0 engines for evaluating assertions. This can be done by setting the Java system property, '''org.apache.xerces.assertProcessor'''. Xerces-J has an out of the box support for PsychoPath and Saxon-b XPath 2.0 engines. If the user doesn't set this property, or set it's value to, '''org.apache.xerces.impl.xs.XMLAssertPsychopathImpl''', the PsychoPath processor would be selected for XPath 2.0 processing. For selecting Saxon-b as the XPath 2.0 engine, the user needs to set the value of this property to, '''org.apache.xerces.impl.xs.XMLAssertSaxonImpl'''. 1. If user's wish to use an XPath 2.0 engine other than PsychoPath or Saxon, for working with Xerces-J assertions, they need to write a custom Java layer similar to org.apache.xerces.impl.xs.XMLAssertPsychopathImpl or org.apache.xerces.impl.xs.XMLAssertSaxonImpl. Xerces-J would publish an API, to integrate to any available standard compliant XPath 2.0 engines. --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
