This figure shows the flow when calling out to a Web service from a Java client within the database
The major elements of the figure are as follows:
- On the right, the Oracle Database depicted as a Web Service Requestor.
 
- On the left, external Web Services, WDSL, and SOAP.
 
End of major elements list.
The following elements are depicted within the Oracle Database:
- JVM
 
- DII
 
- Java Proxy Class
 
- Static Java
 
- PL/SQL Call Spec
 
End of Oracle Database list.
The flow of communication is as follows:
- A call from DII within the database, through SOAP to external Web Services.
 
- A call from Java Proxy Class within the database, through SOAP to external Web Services.
 
- A call from PL/SQL Call Spec within the database, through SOAP to external Web Services.
 
- External Web Services communicates with WDSL.
 
End of communication description.
End of description.