org.apache.qpid.proton
Class ProtonFactoryLoader<C extends ProtonFactory>

java.lang.Object
  org.apache.qpid.proton.ProtonFactoryLoader<C>

public class ProtonFactoryLoader<C extends ProtonFactory>
extends Object

A thin wrapper around ServiceLoader intended for loading Proton object factories. If system property "qpid.proton.implementationtype" if set, loads a factory whose ProtonFactory.ImplementationType matches its value.

Field Summary

static String

IMPLEMENTATION_TYPE_PROPERTY

Constructor Summary

ProtonFactoryLoader()
Use this constructor if you intend to explicitly provide factory interface later, i.e.

ProtonFactoryLoader(Class<C> factoryInterface)

ProtonFactoryLoader(Class<C> factoryInterface, ProtonFactory.ImplementationType implementationType)

Method Summary

C	loadFactory() Returns the Proton factory that implements the stored _factoryInterface class.
C	loadFactory(Class<C> factoryInterface)

Methods inherited from class java.lang.Object

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

Field Detail

IMPLEMENTATION_TYPE_PROPERTY

public static final String IMPLEMENTATION_TYPE_PROPERTY

See Also:

Constant Field Values

Constructor Detail

ProtonFactoryLoader

public ProtonFactoryLoader()

Use this constructor if you intend to explicitly provide factory interface later, i.e. by calling loadFactory(Class). This is useful if you want to use the same ProtonFactoryLoader instance for loading multiple factory types.

ProtonFactoryLoader

public ProtonFactoryLoader(Class<C> factoryInterface)

ProtonFactoryLoader

public ProtonFactoryLoader(Class<C> factoryInterface,
                           ProtonFactory.ImplementationType implementationType)

Parameters:

factoryInterface - will be used as the factory interface class in calls to loadFactory().

Method Detail

loadFactory

public C loadFactory()

Returns the Proton factory that implements the stored _factoryInterface class.

loadFactory

public C loadFactory(Class<C> factoryInterface)