add custom key for caching

akuksin · akuksin · commit a14c65566af1 · 2020-06-22T21:13:14.000+02:00
diff --git a/spring-boot/cache/src/main/java/io/reflectoring/cache/service/CarService.java b/spring-boot/cache/src/main/java/io/reflectoring/cache/service/CarService.java
@@ -25,12 +25,12 @@ public Car saveCar(Car car) {
         return carRepository.save(car);
     }
 
-    @CachePut(value = "cars")
+    @CachePut(value = "cars", key = "#car.id")
     public Car update(Car car) {
         if (carRepository.existsById(car.getId())) {
             return carRepository.save(car);
         }
-        throw new IllegalArgumentException("A car mus have an id to be updated");
+        throw new IllegalArgumentException("A car must have an id to be updated");
     }
 
     @Cacheable(value = "cars")
@@ -39,7 +39,7 @@ public Car get(UUID uuid) {
                 .orElseThrow(() -> new IllegalStateException("car with id " + uuid + " was not found"));
     }
 
-    @CacheEvict(value = "cars")
+    @CacheEvict(value = "cars", key = "#uuid")
     public void delete(UUID uuid) {
         carRepository.deleteById(uuid);
     }

Original file line number	Diff line number	Diff line change
`@@ -25,12 +25,12 @@ public Car saveCar(Car car) {`
`25`	`25`	`return carRepository.save(car);`
`26`	`26`	`}`
`27`	`27`
`28`		`- @CachePut(value = "cars")`
	`28`	`+ @CachePut(value = "cars", key = "#car.id")`
`29`	`29`	`public Car update(Car car) {`
`30`	`30`	`if (carRepository.existsById(car.getId())) {`
`31`	`31`	`return carRepository.save(car);`
`32`	`32`	`}`
`33`		`- throw new IllegalArgumentException("A car mus have an id to be updated");`
	`33`	`+ throw new IllegalArgumentException("A car must have an id to be updated");`
`34`	`34`	`}`
`35`	`35`
`36`	`36`	`@Cacheable(value = "cars")`
`@@ -39,7 +39,7 @@ public Car get(UUID uuid) {`
`39`	`39`	`.orElseThrow(() -> new IllegalStateException("car with id " + uuid + " was not found"));`
`40`	`40`	`}`
`41`	`41`
`42`		`- @CacheEvict(value = "cars")`
	`42`	`+ @CacheEvict(value = "cars", key = "#uuid")`
`43`	`43`	`public void delete(UUID uuid) {`
`44`	`44`	`carRepository.deleteById(uuid);`
`45`	`45`	`}`