com.mmnaseri.utils.spring.data.query

Interface DataFunction<R>

All Known Implementing Classes:

CountDataFunction, DeleteDataFunction

public interface DataFunction<R>

This interface encapsulates a data function. A data function is a function that applies to an already aggregated selection of entities, and can return any value.

An example for a data function would be returning the number of items from a selection (count function) or duplicating all the selected entities.

Since:

1.0 (9/29/15)

Author:

Milad Naseri (mmnaseri@programmer.net)

Method Summary

Modifier and Type	Method and Description
<K extends Serializable,E> R	apply(DataStore<K,E> dataStore, QueryDescriptor query, RepositoryConfiguration configuration, List<E> selection)

Method Detail

apply

<K extends Serializable,E> R apply(DataStore<K,E> dataStore,
                                   QueryDescriptor query,
                                   RepositoryConfiguration configuration,
                                   List<E> selection)