The methods create a collection of the specified type.
Description of the method
| Description: |
Methods asBag, asSet, asOrderedSet and asSequence create a collection of the specified type. Please note the usage in collections knwoledge page.
|
| Available for: |
base64binary, boolean, datetime, double/decimal, date, hexBinary, integer, string, double/decimal and integer |
| Parameters: | - |
| Return type: | - |
Example1
| Context: | Message |
| OCL: | self.Header.ControlSum = self.Transaction->asBag().Amount->sum()
|
| Description: | Compares the value of ControlSum against the sum of values in Transaction, which is defined to be in collection type bag. |
The XML snippet below would pass this check. Note the second occurrence of transaction, expression is true because amount is not above 200.
<?xml version="1.0" encoding="UTF-8"?>
<Message xmlns="http://www.XMLdation.com" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<Header>
<Id>a</Id>
<TimeStamp>2015-07-03T12:17:50</TimeStamp>
<ControlSum>2</ControlSum>
<NumberOfTransactions>1</NumberOfTransactions>
</Header>
<Transaction>
<Id>TransactionId1</Id>
<Amount>1</Amount>
<Debtor>
<Name>Debtor1</Name>
</Debtor>
<Creditor>
<Name>Creditor1</Name>
</Creditor>
</Transaction>
<Transaction>
<Id>TransactionId2</Id>
<Amount>1</Amount>
<Debtor>
<Name>Debtor2</Name>
</Debtor>
<Creditor>
<Name>Creditor2</Name>
</Creditor>
</Transaction>
</Message>
The other snippet below however would not pass
ControlSum>4</ControlSum>
(with everything else similar than in the valid file)