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VisualAge for Java Version 3: Persistence Builder with GUIs, Servlets, and Java Server Pages
book

VisualAge for Java Version 3: Persistence Builder with GUIs, Servlets, and Java Server Pages

by Ueli Wahli, Greg Behrend, Daniel Peter
March 2000
Beginner to intermediate content levelBeginner to intermediate
472 pages
11h 17m
English
IBM Redbooks
Content preview from VisualAge for Java Version 3: Persistence Builder with GUIs, Servlets, and Java Server Pages
Chapter 19. ATM Application Concurrent Processing 371
To activate pessimistic locking, we regenerate the service classes. It is
enough to generate the Account, CheckingAccount, and SavingsAccount
classes.
Note: You might want to version the itso.bank.persistence.service package
before regenerating the service classes. This makes it easy to go back to the
previous implementation.
Generation creates new methods in the ItsoBankItsobankAccountQueryPool
class, for example, singleLockSqlString:
public java.lang.String singleLockSqlString() {
return "UPDATE ITSO.ACCOUNT SET ACCID = ACCID WHERE ACCID = ? ";
}
Test Pessimistic Locking
To test the pessimistic locking ...
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Publisher Resources

ISBN: 0738415820Purchase bookAdditional Material