Validation of schema type unions are relatively slow due to use of exceptions.
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Key: XERCESJ-1449
URL: https://issues.apache.org/jira/browse/XERCESJ-1449
Project: Xerces2-J
Issue Type: Improvement
Components: XML Schema 1.0 Datatypes
Reporter: Chris Simmons
I'll shortly attach some example code which shows that validating
2010-01-01T00:00:00.000Z
against the union (date, dateTime) is slower by a factor of three than
validating against (dateTime, date).
This appears to be because if validation fails against the first member of the
union then an exception is thrown.
It would therefor be quicker to change the simple type validation to allow an
error handler of some sort to be passed in so that union types will not have to
use exception handling when validating.
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