data Wait until, STORE decoration become TRUE (actually it will switch from FALSE to null) public class StoreFlagExtractor extends AbstractExtractor implements PortableObject { // ... private Object extractInternal(Binary binValue, BinaryEntry entry) { if (ExternalizableHelper.isDecorated(binValue)) { Binary store = ExternalizableHelper.getDecoration(binValue, ExternalizableHelper.DECO_STORE); if (store != null) { Object st = ExternalizableHelper.fromBinary(store, entry.getSerializer()); return st; } } return Boolean.TRUE; } }