Hi,
may we use the java keyword "synchronized" on a method of a SLSB to ensure that
several statements get executed all together or not at all?
I have a method in a SLSB, which updates a counter kept in an Entity bean, if
some condition is fulfilled.
Afterwards the counter is increased. I want to ensure the integrity of the
counter. Because several threads can and will access the method.
What would you suggest?
This how the pseudo code block looks like:
|
| public String methodDoesNotBelongToSLSinterface(EnityBeanWithCounter eb)
| {
| ...
| ...
| // make sure that no race condition can occur using
| synchronized(this)
| {
| statement1;
| statement2;
| ...
| statementN;
| // Increase counter if successful
| if (someCondition)
| eb.setCounter(eb.getCounter + 1);
| }
| ....
| ....
| }
|
|
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