org.opensaml.xml.util
Interface SingletonFactory<Input,Output>

Type Parameters:

Input - the factory input class type

Output - the factory output class type

All Known Implementing Classes:

AbstractSimpleSingletonFactory, AbstractSingletonFactory, AbstractWrappedSingletonFactory

public interface SingletonFactory<Input,Output>

An interface for factory classes which implement a singleton pattern for producing an output class based on an input class.

Classes which implement this interface should ensure that exactly one instance of a given output class is returned from the factory for a given instance of an input class.

Method Summary

Output

getInstance(Input input) Obtain an instance of the output class based on an input class instance.

Method Detail

getInstance

Output getInstance(Input input)

Obtain an instance of the output class based on an input class instance.

Parameters:

input - the input class instance

Returns:

an output class instance