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Commit 8cb3e6aa authored by Songchun Fan's avatar Songchun Fan
Browse files

[AppsFilter] read-only interface for snapshots 

Provides a read-only interface that is used by computer and snapshots.
It fixes the data conflicts when AppsFilter is changed while a snapshot is
taken. This requires a watchable class for SparseSetArray.

Test: atest AppsFilterTest
Test: atest com.android.server.utils.WatcherTest
Test: m RUN_ERROR_PRONE=true framework services.core |& grep AppsFilter
BUG: 218411030
Change-Id: Ib9d13537b6cec911b2a189aea828e9baec650585
parent 95387ac8

core/java/android/util/SparseSetArray.java

+18 −1
Original line number Diff line number Diff line
@@ -21,9 +21,26 @@ package android.util; 
 * @hide

 */

public class SparseSetArray<T> {

    private final SparseArray<ArraySet<T>> mData = new SparseArray<>();

    private final SparseArray<ArraySet<T>> mData;



    public SparseSetArray() {

        mData = new SparseArray<>();

    }



    /**

     * Copy constructor

     */

    public SparseSetArray(SparseSetArray<T> src) {

        final int arraySize = src.size();

        mData = new SparseArray<>(arraySize);

        for (int i = 0; i < arraySize; i++) {

            final int key = src.keyAt(i);

            final ArraySet<T> set = src.get(key);

            final int setSize = set.size();

            for (int j = 0; j < setSize; j++) {

                add(key, set.valueAt(j));

            }

        }

    }



    /**