SampleContentProvider.java 文件源码

@NonNull
@Override
public ContentProviderResult[] applyBatch(
        @NonNull ArrayList<ContentProviderOperation> operations)
        throws OperationApplicationException {
    final Context context = getContext();
    if (context == null) {
        return new ContentProviderResult[0];
    }
    final SampleDatabase database = SampleDatabase.getInstance(context);
    database.beginTransaction();
    try {
        final ContentProviderResult[] result = super.applyBatch(operations);
        database.setTransactionSuccessful();
        return result;
    } finally {
        database.endTransaction();
    }
}