org.neo4j.graphdb

Interface DependencyResolver.SelectionStrategy<T>

Enclosing interface:

DependencyResolver

public static interface DependencyResolver.SelectionStrategy<T>

Responsible for making the choice between available candidates.

Method Summary

Methods

Modifier and Type	Method and Description
T	select(Class<T> type, Iterable<T> candidates) Given a set of candidates, select an appropriate one.

Method Detail

select

T select(Class<T> type,
       Iterable<T> candidates)
         throws IllegalArgumentException

Given a set of candidates, select an appropriate one. Even if there are candidates this method may throw IllegalArgumentException if there was no suitable candidate.

Parameters:

type - the type of items.

candidates - candidates up for selection, where one should be picked. There might also be no suitable candidate, in which case an exception should be thrown.

Returns:

a suitable candidate among all available.

Throws:

IllegalArgumentException - if no suitable candidate was found.