com.mmnaseri.utils.spring.data.query.impl

Class CountDataFunction

java.lang.Object

com.mmnaseri.utils.spring.data.query.impl.CountDataFunction

All Implemented Interfaces:

DataFunction<Long>

public class CountDataFunction
extends Object
implements DataFunction<Long>

This data function provides support for the count aggregator over a selection.

Since:

1.0 (9/29/15)

Author:

Milad Naseri (mmnaseri@programmer.net)

Constructor Summary

Constructors

Constructor and Description
CountDataFunction()

Method Summary

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

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CountDataFunction

public CountDataFunction()

Method Detail

apply

public <K extends Serializable,E> Long apply(DataStore<K,E> dataStore,
                                             QueryDescriptor query,
                                             RepositoryConfiguration repositoryConfiguration,
                                             List<E> selection)

Specified by:

apply in interface DataFunction<Long>