Update nullability of extension versions in Rollback.
This updates nullability annotations in Rollback and RollbackStore as
suggested in comments on ag/11256434.
Bug: 152737927
Test: atest RollbackUnitTest
Test: atest RollbackTest
Test: atest RollbackStoreTest
Change-Id: Ib0973378fdd24ce275b0f3e1a687f9161d3c0e7d
diff --git a/services/core/java/com/android/server/rollback/Rollback.java b/services/core/java/com/android/server/rollback/Rollback.java
index a0f4070..ece5a55 100644
--- a/services/core/java/com/android/server/rollback/Rollback.java
+++ b/services/core/java/com/android/server/rollback/Rollback.java
@@ -59,6 +59,7 @@
import java.time.Instant;
import java.util.ArrayList;
import java.util.List;
+import java.util.Objects;
/**
@@ -182,7 +183,7 @@
/**
* The extension versions supported at the time of rollback creation.
*/
- private final SparseIntArray mExtensionVersions;
+ @NonNull private final SparseIntArray mExtensionVersions;
/**
* Constructs a new, empty Rollback instance.
@@ -210,7 +211,7 @@
mState = ROLLBACK_STATE_ENABLING;
mTimestamp = Instant.now();
mPackageSessionIds = packageSessionIds != null ? packageSessionIds : new int[0];
- mExtensionVersions = extensionVersions;
+ mExtensionVersions = Objects.requireNonNull(extensionVersions);
}
Rollback(int rollbackId, File backupDir, int stagedSessionId, int userId,
@@ -234,7 +235,7 @@
mState = state;
mApkSessionId = apkSessionId;
mRestoreUserDataInProgress = restoreUserDataInProgress;
- mExtensionVersions = extensionVersions;
+ mExtensionVersions = Objects.requireNonNull(extensionVersions);
// TODO(b/120200473): Include this field during persistence. This field will be used to
// decide which rollback to expire when ACTION_PACKAGE_REPLACED is received. Note persisting
// this field is not backward compatible. We won't fix b/120200473 until S to minimize the
diff --git a/services/core/java/com/android/server/rollback/RollbackStore.java b/services/core/java/com/android/server/rollback/RollbackStore.java
index 792cc45..c304302 100644
--- a/services/core/java/com/android/server/rollback/RollbackStore.java
+++ b/services/core/java/com/android/server/rollback/RollbackStore.java
@@ -21,7 +21,6 @@
import static com.android.server.rollback.Rollback.rollbackStateFromString;
import android.annotation.NonNull;
-import android.annotation.Nullable;
import android.content.pm.PackageManager;
import android.content.pm.VersionedPackage;
import android.content.rollback.PackageRollbackInfo;
@@ -178,7 +177,7 @@
return ceSnapshotInodes;
}
- private static @Nullable JSONArray extensionVersionsToJson(
+ private static @NonNull JSONArray extensionVersionsToJson(
SparseIntArray extensionVersions) throws JSONException {
JSONArray array = new JSONArray();
for (int i = 0; i < extensionVersions.size(); i++) {
@@ -190,7 +189,7 @@
return array;
}
- private static @Nullable SparseIntArray extensionVersionsFromJson(JSONArray json)
+ private static @NonNull SparseIntArray extensionVersionsFromJson(JSONArray json)
throws JSONException {
if (json == null) {
return new SparseIntArray(0);
diff --git a/services/tests/servicestests/src/com/android/server/rollback/RollbackUnitTest.java b/services/tests/servicestests/src/com/android/server/rollback/RollbackUnitTest.java
index 57eae1d..8667801 100644
--- a/services/tests/servicestests/src/com/android/server/rollback/RollbackUnitTest.java
+++ b/services/tests/servicestests/src/com/android/server/rollback/RollbackUnitTest.java
@@ -331,7 +331,7 @@
public void notifySessionWithSuccess() {
int[] sessionIds = new int[]{ 7777, 8888 };
Rollback rollback = new Rollback(123, new File("/test/testing"), -1, USER, INSTALLER,
- sessionIds, null);
+ sessionIds, new SparseIntArray(0));
// The 1st invocation returns false because not all child sessions are notified.
assertThat(rollback.notifySessionWithSuccess()).isFalse();
// The 2nd invocation returns true because now all child sessions are notified.
@@ -342,7 +342,7 @@
public void allPackagesEnabled() {
int[] sessionIds = new int[]{ 7777, 8888 };
Rollback rollback = new Rollback(123, new File("/test/testing"), -1, USER, INSTALLER,
- sessionIds, null);
+ sessionIds, new SparseIntArray(0));
// #allPackagesEnabled returns false when 1 out of 2 packages is enabled.
rollback.info.getPackages().add(newPkgInfoFor(PKG_1, 12, 10, false));
assertThat(rollback.allPackagesEnabled()).isFalse();