Examples of javax.xml.xquery.XQConnection.prepareExpression()

javax.xml.xquery.XQConnection.prepareExpression()
Prepares an expression for execution.
The properties of the connection's default XQStaticContext are copied to the returned XQPreparedExpression. @param xquery the XQuery expression as a String.Cannot be null @return the prepared XQuery expression @exception XQException if (1) the connection is in a closed state, (2) there are errors preparing the expression, or (3) the xquery parameter is null


            // Prepare expression, for starters
            String xquery = oxquery10.xquery.replaceFirst(
                    Constants.XQUERY_FUNCTION_HANDLER_COMPILER,
                    Constants.XQUERY_FUNCTION_HANDLER_RUNTIME);
            XQPreparedExpression exp = xqconn.prepareExpression(xquery);


            JaxpFunctionResolver funcResolver = new JaxpFunctionResolver(ctx,
                    oxquery10);
            JaxpVariableResolver variableResolver = new JaxpVariableResolver(ctx,
                    oxquery10, configuration);

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                XQConnection xqconn = xqds.getConnection();


                net.sf.saxon.Configuration configuration = ((SaxonXQConnection) xqconn).getConfiguration();
                configuration.setHostLanguage(net.sf.saxon.Configuration.XQUERY);
//                XQStaticContext staticEnv = xqconn.getStaticContext();
                XQPreparedExpression exp = xqconn.prepareExpression(xquery);
                Node requestNode = DOMUtils.parse(request.newXMLStreamReader());
                if (__log.isDebugEnabled()) {
                    __log.debug("request " + request.toString());
                }
                exp.bindItem(XQConstants.CONTEXT_ITEM, xqconn.createItemFromNode(requestNode, xqconn.createNodeType()));

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      for (String query : queryStrings) {
        RelationshipDelta result;
        String complete = localStr + query;
        StringReader reader = new StringReader(complete);
        
        XQPreparedExpression exp = conn.prepareExpression(reader);
        String filename = file.getAbsolutePath().replace('\\', '/');
        exp.bindString(new QName(DOC), filename, null);
        
        XQResultSequence queryResult = exp.executeQuery();
        result = processRelationshipResults(queryResult, types);

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      config.registerExtensionFunction(new TypeComparisonDefinition(types));


      String complete = localStr + topStr;
      StringReader reader = new StringReader(complete);
        
      XQPreparedExpression exp = conn.prepareExpression(reader);
      exp.bindString(new QName(DOC), file.getAbsolutePath().replace('\\', '/'), null);
        
      XQResultSequence queryResult = exp.executeQuery();
      return processBindingResults(queryResult);
    } catch (XQException e) {

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      xQuery = XQueryUtils.readXQueryFromResource(xQueryFileResource);
    }


    try {
      XQConnection conn = getConnection();
      XQPreparedExpression expression = conn.prepareExpression(xQuery);
      QName[] extParameters = expression.getAllExternalVariables();
      if(extParameters != null && extParameters.length > 0) {
        xQueryParameters = new ArrayList<String>();
        for(QName qName:extParameters) {
          xQueryParameters.add(qName.getLocalPart());

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    XQConnection connection = null;
    XQPreparedExpression expression = null;
    try {
      connection = getConnection();
      expression = connection.prepareExpression(xQuery);
      expression.bindNode(XQConstants.CONTEXT_ITEM, node, null);


      //bind the parameter values
      if(xQueryParameters != null && xQueryParameters.size() > 0) {
        //bind them one by one

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            // Add implicit declarations as prolog to the user-defined XQuery
            out.xquery = declarations.toString() + xqueryStr;


            // Check the XQuery for compilation errors 
            xqconn.setStaticContext(staticContext);            
            XQPreparedExpression exp = xqconn.prepareExpression(out.xquery);
            
            // Pre-evaluate variables and functions by executing query  
            node.setUserData(XQuery10BpelFunctions.USER_DATA_KEY_FUNCTION_RESOLVER, 
                funcResolver, null);
            exp.bindItem(XQConstants.CONTEXT_ITEM,

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            // Prepare expression, for starters
            String xquery = oxquery10.xquery.replaceFirst(
                    Constants.XQUERY_FUNCTION_HANDLER_COMPILER,
                    Constants.XQUERY_FUNCTION_HANDLER_RUNTIME);
            XQPreparedExpression exp = xqconn.prepareExpression(xquery);


            JaxpFunctionResolver funcResolver = new JaxpFunctionResolver(ctx,
                    oxquery10);
            JaxpVariableResolver variableResolver = new JaxpVariableResolver(ctx,
                    oxquery10, configuration);

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            // Prepare expression, for starters
            String xquery = oxquery10.xquery.replaceFirst(
                    Constants.XQUERY_FUNCTION_HANDLER_COMPILER,
                    Constants.XQUERY_FUNCTION_HANDLER_RUNTIME);
            XQPreparedExpression exp = xqconn.prepareExpression(xquery);


            JaxpFunctionResolver funcResolver = new JaxpFunctionResolver(ctx,
                    oxquery10);
            JaxpVariableResolver variableResolver = new JaxpVariableResolver(ctx,
                    oxquery10, configuration);

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