Java Reference
In-Depth Information
The following code shows the implementation of three
classes. Class Service represents a service component that
offers static method execute() . Class Father and Child make
a simple inclusion hierarchy.
public class Counter {
private static int value # 0;
public static void increment() { value !! ; }
public class Child {
public void doService() {
. . .
public class Father {
private Child child;
public void doService() {
. . .
Force resolution
Static methods behave like global functions. They are
accessible from every level of an application's inclusion
hierarchy. Information hiding is enforced since they
modify data confined in a single class.
Design rationale
The relationship between the service component and the
components that use it is implemented as the relation
between a class definition and a set of objects.
Alvisi, L. and Marzullo K. (1998) “Message Logging: Pessimistic, Optimistic, Causal,
and Optimal”, IEEE Transactions on Software Engineering , Vol. 24, No. 2,
February, 149 - 159.
Hulse, D. and Dearle A. (1998) “Lumberjack: A Log-structured Persistent Store”, in
Proc. of Eighth Int. Workshop on Persistent Object Systems (POS-8) , Tiburon,
California, 187 - 198.
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