Simplification

app/src/main/java/androidx/lifecycle/ComputableLiveData.java

@@ -89,17 +89,15 @@ public abstract class ComputableLiveData<T> {
         @Override
         public void run() {
             boolean computed;
-            boolean once;
-            long last;
             do {
                 computed = false;
                 // compute can happen only in 1 thread but no reason to lock others.
                 if (mComputing.compareAndSet(false, true)) {
                     // as long as it is invalid, keep computing.
                     try {
-                        once = true;
-                        last = android.os.SystemClock.elapsedRealtime();
                         T value = null;
+                        boolean once = true;
+                        long last = android.os.SystemClock.elapsedRealtime();
                         while (mInvalid.compareAndSet(true, false)) {
                             long now = android.os.SystemClock.elapsedRealtime();
                             if (value != null && (once || last + 2500 < now)) {

patches/livedata.patch

@@ -1,20 +1,13 @@
---- /home/marcel/support/lifecycle/lifecycle-livedata/src/main/java/androidx/lifecycle/ComputableLiveData.java	2019-07-27 12:47:44.348985792 +0200
+diff --git a/home/marcel/support/lifecycle/lifecycle-livedata/src/main/java/androidx/lifecycle/ComputableLiveData.java b/app/src/main/java/androidx/lifecycle/ComputableLiveData.java
-+++ app/src/main/java/androidx/lifecycle/ComputableLiveData.java	2019-08-14 10:25:21.881453609 +0200
+index 837a35dbf..cc375b15b 100644
-@@ -89,14 +89,25 @@ public abstract class ComputableLiveData
+--- a/home/marcel/support/lifecycle/lifecycle-livedata/src/main/java/androidx/lifecycle/ComputableLiveData.java
-         @Override
++++ b/app/src/main/java/androidx/lifecycle/ComputableLiveData.java
-         public void run() {
+@@ -96,7 +96,16 @@ public abstract class ComputableLiveData<T> {
-             boolean computed;
-+            boolean once;
-+            long last;
-             do {
-                 computed = false;
-                 // compute can happen only in 1 thread but no reason to lock others.
-                 if (mComputing.compareAndSet(false, true)) {
                      // as long as it is invalid, keep computing.
                      try {
-+                        once = true;
-+                        last = android.os.SystemClock.elapsedRealtime();
                          T value = null;
++                        boolean once = true;
++                        long last = android.os.SystemClock.elapsedRealtime();
                          while (mInvalid.compareAndSet(true, false)) {
 +                            long now = android.os.SystemClock.elapsedRealtime();
 +                            if (value != null && (once || last + 2500 < now)) {