June 2013
Intermediate to advanced
330 pages
6h 51m
English
Content preview from Oracle SOA BPEL Process Manager 11gR1 - A Hands-on TutorialBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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BPEL variables
Similar to Java, BPEL Variables are used to contain temporary data. A variable can either contain an XSD value or a WSDL message.
Oracle BPEL Process Manager has the following types of variables:
- XML schema type (Type)
- WSDL message type (Message Type)
- XML schema element (Element)
Message Type variables are used to hold data in interactions between the process and its partner services.
The BPEL variable holds the message data between a BPEL client, external services, and local data used by the BPEL process. The sample code for declaring a variable in BPEL is given as follows:
<variables>
<variable name="hello_world"
messageType="Type" />
</variables>Each variable can be declared
as a messageType or an element. As shown in the following ...
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