public Object visitClearCommand(InvocationContext ctx, ClearCommand command) throws Throwable {
final TxInvocationContext txC = (TxInvocationContext) ctx;
for (Object key : dataContainer.keySet()) {
lockAndRegisterBackupLock(txC, key);
performWriteSkewCheck(txC, key);
txC.addAffectedKey(key);
}
return null;
}
@Override