com.holonplatform.vaadin.data

Interface ItemRefresher<ITEM>

Type Parameters:

ITEM - Item type

All Superinterfaces:

Serializable

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ItemRefresher<ITEM>
extends Serializable

Data interface to refresh item data.

Since:

5.0.0

Method Summary

Modifier and Type	Method and Description
ITEM	refresh(ITEM item) Refresh given item from concrete data store.

Method Detail

refresh

ITEM refresh(ITEM item)
      throws UnsupportedOperationException,
             com.holonplatform.core.exceptions.DataAccessException

Refresh given item from concrete data store.

Parameters:

item - Item to refresh (not null)

Returns:

Refreshed item

Throws:

UnsupportedOperationException - If the refresh operation is not supported by concrete implementation

com.holonplatform.core.exceptions.DataAccessException - Error accessing underlying data store