com.holonplatform.core.datastore

Interface DatastoreCommodityHandler

All Known Subinterfaces:

AsyncDatastore, BeanDatastore, ConfigurableDatastore, Datastore

public interface DatastoreCommodityHandler

Represents a DatastoreCommodity handler, which provides available commodities and allow to create DatastoreCommodity instances.

Since:

5.1.0

Method Summary

Modifier and Type	Method and Description
<C extends DatastoreCommodity> C	create(Class<C> commodityType) Create a new DatastoreCommodity of given commodityType type.
Collection<Class<? extends DatastoreCommodity>>	getAvailableCommodities() Get the available DatastoreCommodity types.
default boolean	hasCommodity(Class<? extends DatastoreCommodity> commodityType) Get whether given DatastoreCommodity type is available.

Method Detail

getAvailableCommodities

Collection<Class<? extends DatastoreCommodity>> getAvailableCommodities()

Get the available DatastoreCommodity types. A registered DatastoreCommodity can be created using the create(Class) method.

Returns:

Available DatastoreCommodity types collection, empty if none

hasCommodity

default boolean hasCommodity(Class<? extends DatastoreCommodity> commodityType)

Get whether given DatastoreCommodity type is available.

Parameters:

commodityType - The commodity type to check (not null)

Returns:

true if given commodity type is available, false otherwise

create

<C extends DatastoreCommodity> C create(Class<C> commodityType)

Create a new DatastoreCommodity of given commodityType type.

Available commodity types can be obtained using getAvailableCommodities().

Type Parameters:

C - Commodity type

Parameters:

commodityType - The commodity type to create (not null)

Returns:

The commodity instance

Throws:

DatastoreCommodityContext.CommodityNotAvailableException - If a commodity of the required type is not available

DatastoreCommodityContext.CommodityConfigurationException - If a commodity configuration error occurred