org.foxlabs.util.resource

Class Service.ProviderItr<P>

java.lang.Object

org.foxlabs.util.resource.Service.ProviderItr<P>

All Implemented Interfaces:

Iterator<P>

Enclosing class:

Service

protected static class Service.ProviderItr<P>
extends Object
implements Iterator<P>

Lazy iterator over service provider instances.

Author:

Fox Mulder

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasNext() Determines if the iteration has more elements.
P	next() Returns next service provider instance.
void	remove() Unsupported operation.

Methods inherited from class java.lang.Object

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

Method Detail

hasNext

public boolean hasNext()

Determines if the iteration has more elements.

Specified by:

hasNext in interface Iterator<P>

Returns:

true if the iteration has more elements; false otherwise.

Throws:

ResourceError - if an error occured when reading SPI resources or service provider class is not found.

next

public P next()

Returns next service provider instance.

Specified by:

next in interface Iterator<P>

Returns:

Next service provider instance.

Throws:

ResourceError - if an error occured when reading SPI resources or instantiation of service provider fails.

remove

public void remove()

Unsupported operation.

Specified by:

remove in interface Iterator<P>