Versions Compared

Old Version 5

changes.mady.by.user Almog Gavra

Saved on

compared with

New Version 6

changes.mady.by.user Almog Gavra

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Code Block
languagejava
titleDSLStoreProvider.java
public interface StoreTypeSpec {

    KeyValueBytesStoreSupplier keyValueStore(final String name);

    WindowBytesStoreSupplier windowStore(final String name, final Duration retentionPeriod, final Duration windowSize, final boolean retainDuplicates);

    SessionBytesStoreSupplier sessionStore(final String name, final Duration retentionPeriod);
}


Info

Note on Evolving API: a concern raised on KIP-591 about having such an interface is that the increased API surface area would mean introducing new store types (beyond KVS/Window/Session) would cause custom state store implementations to throw compiletime errors. I think it is valid to have new store types have a default implementation that throws new UnsupportedOperationException() as it is unlikely that users that specify a custom state store as the default will want a different (e.g. ROCKS_DB) store created without them knowing.

OOTB Store Type Specs

We will provide default implementations of the above interface in the following classes:

...