org.scijava.service
Class ServiceIndex

java.lang.Object
  org.scijava.object.ObjectIndex<E>
      org.scijava.object.SortedObjectIndex<Service>
          org.scijava.service.ServiceIndex

All Implemented Interfaces:

Iterable<Service>, Collection<Service>

public class ServiceIndex
extends SortedObjectIndex<Service>

Data structure for tracking registered services.

Author:

Curtis Rueden

Field Summary

Fields inherited from class org.scijava.object.ObjectIndex

hoard

Constructor Summary

ServiceIndex()

Method Summary

<S extends Service> S	getNextService(Class<S> c, Class<? extends S> ref) Gets the highest priority service compatible with class c, which is lower priority than the ref service.
<S extends Service> S	getPrevService(Class<S> c, Class<? extends S> ref) Gets the lowest priority service compatible with class c, which is higher priority than the ref service.
<S extends Service> S	getService(Class<S> c) Gets the first available service compatible with the given class.

Methods inherited from class org.scijava.object.SortedObjectIndex

addAll, addToList, contains, containsAll

Methods inherited from class org.scijava.object.ObjectIndex

add, add, add, addLater, clear, get, getAll, getBaseClass, getType, getTypes, isEmpty, iterator, remove, remove, remove, removeAll, removeFromList, retainAll, retrieveList, retrieveListsForType, size, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode

Constructor Detail

ServiceIndex

public ServiceIndex()

Method Detail

getService

public <S extends Service> S getService(Class<S> c)

Gets the first available service compatible with the given class.

getNextService

public <S extends Service> S getNextService(Class<S> c,
                                            Class<? extends S> ref)

Gets the highest priority service compatible with class c, which is lower priority than the ref service.

getPrevService

public <S extends Service> S getPrevService(Class<S> c,
                                            Class<? extends S> ref)

Gets the lowest priority service compatible with class c, which is higher priority than the ref service.