org.apache.lucene.util
Class NamedSPILoader<S extends NamedSPILoader.NamedSPI>

java.lang.Object
  extended by org.apache.lucene.util.NamedSPILoader<S>
All Implemented Interfaces:
Iterable<S>

public final class NamedSPILoader<S extends NamedSPILoader.NamedSPI>
extends Object
implements Iterable<S>

Helper class for loading named SPIs from classpath (e.g. Codec, PostingsFormat).

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Nested Class Summary
static interface NamedSPILoader.NamedSPI
          Interface to support lookup(String) by name.
 
Constructor Summary
NamedSPILoader(Class<S> clazz)
           
 
Method Summary
 Set<String> availableServices()
           
static boolean checkServiceName(String name)
          Validates that a service name meets the requirements of NamedSPILoader.NamedSPI
 Iterator<S> iterator()
           
 S lookup(String name)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

NamedSPILoader

public NamedSPILoader(Class<S> clazz)
Method Detail

checkServiceName

public static boolean checkServiceName(String name)
Validates that a service name meets the requirements of NamedSPILoader.NamedSPI


lookup

public S lookup(String name)

availableServices

public Set<String> availableServices()

iterator

public Iterator<S> iterator()
Specified by:
iterator in interface Iterable<S extends NamedSPILoader.NamedSPI>


Copyright © 2000-2012 Apache Software Foundation. All Rights Reserved.