gaspersic/java-design-patterns
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Java 11 support for #984 #987 (l) (#1190)

Browse Source 
* Java 11 support: lazy-loading pattern

* Java 11 support: layers pattern

* Java 11 support: leader-election/lazy-loading patterns
This commit is contained in:
Zhang WH
2020-03-23 02:02:45 +08:00
committed by GitHub
parent 0ad67c8726
commit 67edeb806d
23 changed files with 238 additions and 243 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
lazy-loading/src/main/java/com/iluwatar/lazy/loading/App.java
View File

@@ -46,18 +46,18 @@ public class App {
public static void main(String[] args) {
// Simple lazy loader - not thread safe
HolderNaive holderNaive = new HolderNaive();
Heavy heavy = holderNaive.getHeavy();
var holderNaive = new HolderNaive();
var heavy = holderNaive.getHeavy();
LOGGER.info("heavy={}", heavy);
// Thread safe lazy loader, but with heavy synchronization on each access
HolderThreadSafe holderThreadSafe = new HolderThreadSafe();
Heavy another = holderThreadSafe.getHeavy();
var holderThreadSafe = new HolderThreadSafe();
var another = holderThreadSafe.getHeavy();
LOGGER.info("another={}", another);
// The most efficient lazy loader utilizing Java 8 features
Java8Holder java8Holder = new Java8Holder();
Heavy next = java8Holder.getHeavy();
var java8Holder = new Java8Holder();
var next = java8Holder.getHeavy();
LOGGER.info("next={}", next);
}
}