Hi.
In the Javadoc of the "DiffBuilder" class[1]:
---CUT---
[...]
To use this class, write code as follows:
public class Person implements Diffable<Person> {
String name;
int age;
boolean smoker;
[...]
---CUT---
However, a common use-case would be that we can't directly
modify the class whose instances we want to compare.
Assuming that interfaces are given and non-modifiable (i.e.
they cannot implement "Diffable"):
---CUT---
public interface Content {
double getValue();
}
public interface Container {
Content[] getContentArray();
}
---CUT---
and the modifiable user code is similar to
---CUT---
public class MyContent implements Content {
private final double c;
public MyContent(double input) {
c = input:
}
@Override
public double getValue() {
return c;
}
}
public class MyContainer implements Container {
private final Content[] contentArr;
MyContainer(double ... inputs) {
final int len = inputs.length;
contentArr = new Content[len];
for (int i = 0; i < len; i++) {
contentArr[i] = new MyContent(inputs[i]);
}
}
@Override
public Content[] getContentArray() {
return contentArr;
}
}
---CUT---
how should I go about in order to get the "diff" between instances
of "MyContainer"?
Thanks,
Gilles
[1]
https://commons.apache.org/proper/commons-lang/javadocs/api-release/org/apache/commons/lang3/builder/DiffBuilder.html
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