22 lines
760 B
ReStructuredText
22 lines
760 B
ReStructuredText
.. _-mapRouteResultPF-java-:
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mapRouteResultPF
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================
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Description
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-----------
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*Partial Function* version of :ref:`-mapRouteResult-java-`.
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Changes the message the inner route sends to the responder.
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The ``mapRouteResult`` directive is used as a building block for :ref:`Custom Directives-java` to transform the
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:class:`RouteResult` coming back from the inner route. It's similar to the :ref:`-mapRouteResult-java-` directive but allows to
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specify a partial function that doesn't have to handle all potential ``RouteResult`` instances.
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See :ref:`Result Transformation Directives-java` for similar directives.
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Example
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-------
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.. includecode:: ../../../../code/docs/http/javadsl/server/directives/BasicDirectivesExamplesTest.java#mapRouteResultPF
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