commit b04942f3374313ef997f10ca827d14d2be84940e
author Alice Wang <aliceywang@google.com> Thu Nov 10 15:46:22 2022 +0000
committer Alice Wang <aliceywang@google.com> Mon Nov 14 08:37:51 2022 +0000
tree d3fc1c96f697d977f9944b89ff7725f43fef16a2
parent 2acbb012030b59d677a4eae26053d21f2c3ea05a

[refactor] Refactor VM#getInstancesMap() with Map#computeIfAbsent()

Test: atest MicrodroidTests

Change-Id: I664cf4471573a38ab51e40736b1b6bae9614f6b2

javalib/src/android/system/virtualmachine/VirtualMachine.java

diff --git a/javalib/src/android/system/virtualmachine/VirtualMachine.java b/javalib/src/android/system/virtualmachine/VirtualMachine.java
index e750ae9..214e7e6 100644
--- a/javalib/src/android/system/virtualmachine/VirtualMachine.java
+++ b/javalib/src/android/system/virtualmachine/VirtualMachine.java
@@ -282,14 +282,7 @@
     @GuardedBy("sCreateLock")
     @NonNull
     private static Map<String, WeakReference<VirtualMachine>> getInstancesMap(Context context) {
-        Map<String, WeakReference<VirtualMachine>> instancesMap;
-        if (sInstances.containsKey(context)) {
-            instancesMap = sInstances.get(context);
-        } else {
-            instancesMap = new HashMap<>();
-            sInstances.put(context, instancesMap);
-        }
-        return instancesMap;
+        return sInstances.computeIfAbsent(context, unused -> new HashMap<>());
     }
 
     @NonNull