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Commit 119dd01b authored by Jing Ji's avatar Jing Ji
Browse files

Use ArrayMap instead of SparseArray to manage the ProviderKey 

As the ArrayMap handles the hash code collision properly.

Bug: 197647956
Test: atest CtsContentTestCases:android.content.cts
Change-Id: Ibb57a22c08b0fa5462505d586d5fb0aaf908c80f
parent 23ee1b87

core/java/android/app/ActivityThread.java

+4 −8
Original line number Diff line number Diff line
@@ -464,11 +464,7 @@ public final class ActivityThread extends ClientTransactionHandler 


        @Override

        public int hashCode() {

            return hashCode(authority, userId);

        }



        public static int hashCode(final String auth, final int userIdent) {

            return ((auth != null) ? auth.hashCode() : 0) ^ userIdent;

            return ((authority != null) ? authority.hashCode() : 0) ^ userId;

        }

    }
@@ -490,7 +486,7 @@ public final class ActivityThread extends ClientTransactionHandler 
    // Note we never removes items from this map but that's okay because there are only so many

    // users and so many authorities.

    @GuardedBy("mGetProviderKeys")

    final SparseArray<ProviderKey> mGetProviderKeys = new SparseArray<>();

    final ArrayMap<ProviderKey, ProviderKey> mGetProviderKeys = new ArrayMap<>();



    final ArrayMap<Activity, ArrayList<OnActivityPausedListener>> mOnPauseListeners

        = new ArrayMap<Activity, ArrayList<OnActivityPausedListener>>();
@@ -7015,11 +7011,11 @@ public final class ActivityThread extends ClientTransactionHandler 
    }



    private ProviderKey getGetProviderKey(String auth, int userId) {

        final int key = ProviderKey.hashCode(auth, userId);

        final ProviderKey key = new ProviderKey(auth, userId);

        synchronized (mGetProviderKeys) {

            ProviderKey lock = mGetProviderKeys.get(key);

            if (lock == null) {

                lock = new ProviderKey(auth, userId);

                lock = key;

                mGetProviderKeys.put(key, lock);

            }

            return lock;