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softarn/Declaration.java

Last active May 13, 2018 13:02
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Blog - Optional.orElse
Raw
Declaration.java
public T orElse(T other)
public T orElseGet(Supplier<? extends T> other)
Raw
DeclarationOne.java
public Optional<Inventory> findInventoryByUser(User user)
Raw
First.java
public Inventory getInventory(User user) {
Optional inventory = findInventoryByUser(User user);
if (inventory.isPresent()) {
return inventory.get();
} else {
throw new NotFoundException();
}
}
Raw
Four.java
public Inventory getInventory(User user) {
return findInventoryByUser(userUuid)
.orElseGet(() -> createInventory(user));
}
Raw
Second.java
public Inventory getInventory(User user) {
return findInventoryByUser(User user)
.orElseThrow(() -> new NotFoundException());
}
Raw
Third.java
public Inventory getInventory(User user) {
return findInventoryByUser(userUuid)
.orElse(createInventory(user));
}
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