/
BehaviorParameterizationExample.java
69 lines (61 loc) · 2.03 KB
/
BehaviorParameterizationExample.java
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package behavior_parameterization;
import java.util.ArrayList;
import java.util.List;
import static behavior_parameterization.Color.GREEN;
public class BehaviorParameterizationExample {
public List<Apple> filterGreenApples(List<Apple> inventory) {
final var result = new ArrayList<Apple>();
for (final var apple : inventory) {
if (GREEN.equals(apple.color())) {
result.add(apple);
}
}
return result;
}
public List<Apple> filterApplesByColor(List<Apple> inventory, Color color) {
final var result = new ArrayList<Apple>();
for (final var apple : inventory) {
if (color.equals(apple.color())) {
result.add(apple);
}
}
return result;
}
public List<Apple> filterApplesByWeight(List<Apple> inventory, int weight) {
final var result = new ArrayList<Apple>();
for (final var apple : inventory) {
if (apple.weight() > weight) {
result.add(apple);
}
}
return result;
}
public List<Apple> filterApples(List<Apple> inventory, Color color, int weight, boolean flag) {
final var result = new ArrayList<Apple>();
for (final var apple : inventory) {
if ((flag && apple.color().equals(color)) ||
(!flag && apple.weight() > weight)) {
result.add(apple);
}
}
return result;
}
public List<Apple> filterApples(List<Apple> inventory, ApplePredicate applePredicate) {
final var result = new ArrayList<Apple>();
for (final var apple : inventory) {
if (applePredicate.test(apple)) {
result.add(apple);
}
}
return result;
}
public <T> List<T> filter(List<T> list, Predicate<T> p) {
final var result = new ArrayList<T>();
for (T e : list) {
if (p.test(e)) {
result.add(e);
}
}
return result;
}
}