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| Qizx/open 4.1 API
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## com.qizx.api
Interface TraceObserver

    public interface TraceObserver

Interface for displaying execution traces generated by the XQuery function fn:trace().

Method Summary
`void` | `trace(EvaluationStackTrace location, ItemSequence value, String label)` Displays a single trace.

Method Detail

### trace

    void trace(EvaluationStackTrace location,
               ItemSequence value,
               String label)

  Displays a single trace.

  Parameters:
    `location` - place in source code where the trace is performed
    `label` - second argument of the fn:trace() function.
    `value` - first argument of the fn:trace() function.

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| © 2010 Axyana Software
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