Java 类android.database.StaleDataException 实例源码

@Override
protected void checkPosition() {
    super.checkPosition();
    if (mWindow == null) {
        throw new StaleDataException("Attempting to access a closed CursorWindow." +
            "Most probable cause: cursor is deactivated prior to calling this method.");
    }
}

@Override
public long getItemId(int position) {
    //have a weird situation where during a refresh a touch event on the list can cause an
    //exception. Trying to avoid it by catching the exceptions and returning a default value.
    try {
        return super.getItemId(position);
    } catch (StaleDataException sdEx) {
        return 0;
    } catch (IllegalStateException isEx) {
        return 0;
    }
}

private void throwIfCursorIsClosed() {
    if (mBulkCursor == null) {
        throw new StaleDataException("Attempted to access a cursor after it has been closed.");
    }
}