(: | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
:) | |
declare namespace q="http://www.webserviceX.NET/"; | |
declare namespace c="http://example.com/customer"; | |
declare namespace stock="scaservice:java/bigbank.StockValue"; | |
(: declare namespace currency="scaproperty:java/java.lang.String"; :) | |
declare function stock:calculate($quoteDoc, $accountDoc) as xs:double { | |
let $checking := | |
trace( | |
sum( | |
for $a in $accountDoc/c:customer/c:accounts/c:checking | |
return $a/@balance | |
), "Checking Balance") | |
let $saving := | |
trace( | |
sum( | |
for $a in $accountDoc/c:customer/c:accounts/c:saving | |
return $a/@balance | |
), "Saving Blance") | |
let $value := | |
trace( | |
sum( | |
for $quote in $quoteDoc/StockQuotes/Stock, | |
$account in $accountDoc/c:customer/c:accounts/c:stock | |
where string($quote/Symbol) = string($account/@symbol) | |
return | |
trace(number($quote/Last),"Stock Price") * trace(number($account/@quantity), "Quantity") | |
), "Stock Value") | |
return trace($checking + $saving + $value, "Total Value") | |
}; | |