[jira] Created: (CAMEL-1252) refactor the Expression interface to add an evaluate(Exchange, expectedType) paramater - which will make XPath evaluations easier as we can pass in String (when we want a String) to avoid xpath/xquery having to use text() inside it

[James Strachan (JIRA)]

refactor the Expression interface to add an evaluate(Exchange, expectedType) 
paramater - which will make XPath evaluations easier as we can pass in String 
(when we want a String) to avoid xpath/xquery having to use text() inside it
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                 Key: CAMEL-1252
                 URL: https://issues.apache.org/activemq/browse/CAMEL-1252
             Project: Apache Camel
          Issue Type: Improvement
            Reporter: James Strachan
             Fix For: 2.0.0


not everywhere, but there are places in the code where we might want to pass in 
an expectedType. If passed in, this value can be useful to the evaluation 
engine - for example we can pass this nicely through in the XPath / XQuery 
engines to avoid having to append XPath evaluations with *text()*

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