A microscopically small alternative to Spring Framework that creates singleton objects. The library is released under the MIT license.
<dependency>
<groupId>uk.co.datumedge</groupId>
<artifactId>autumn</artifactId>
<version>1.0</version>
</dependency>
mvn install
public interface Module {
double random();
double anotherRandom();
}
public static class ModuleImplementation implements Module {
@Override public double random() {
return Math.random();
}
@Override public double anotherRandom() {
return random();
}
}
public static void main(String[] args) {
Module module = Singletoniser.singletonise(Module.class, new ModuleImplementation());
System.out.println(module.random());
System.out.println(module.random());
System.out.println(module.anotherRandom());
// all invocations print the same value
}