Examples of client.net.sf.saxon.ce.Controller.checkUniqueOutputDestination()

client.net.sf.saxon.ce.Controller.checkUniqueOutputDestination()
Check that an output destination has not been used before, optionally adding this URI to the set of URIs that have been used. @param uri the URI to be used as the output destination @return true if the URI is available for use; false if it has already been used.
This method is intended for internal use only.

            return getFragment(doc, fragmentId, c);
        }


        // check that the document was not written by this transformation


        if (!controller.checkUniqueOutputDestination(documentKey)) {
            pool.markUnavailable(documentKey);
            XPathException err = new XPathException(
                    "Cannot read a document that was written during the same transformation: " + documentKey);
            err.setXPathContext(c);
            err.setErrorCode("XTRE1500");

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            if (controller.getDocumentPool().find(documentKey.toString()) != null) {
                dynamicError("Cannot write to a URI that has already been read: " + documentKey.toString(), "XTRE1500", context);
            }
            
            if (!controller.checkUniqueOutputDestination(documentKey)) {
                dynamicError("Cannot write more than one result document to the same URI: " + documentKey.toString(),"XTDE1490" ,context);
            } else {
              controller.addToResultDocumentPool(documentKey, doc);
                //controller.addUnavailableOutputDestination(documentKey);
            }

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