org.opendaylight.ovsdb.utils.servicehelper

Class ServiceHelper

java.lang.Object

org.opendaylight.ovsdb.utils.servicehelper.ServiceHelper

public final class ServiceHelper
extends Object

The class helps to register and retrieve OSGi service registry

Constructor Summary

Constructors

Constructor and Description
ServiceHelper()

Method Summary

Modifier and Type	Method and Description
static Object	getGlobalInstance(Class<?> clazz, Object bundle) Retrieve global instance of a class via OSGI registry, if there are many only the first is returned.
static Object	getGlobalInstance(Class<?> clazz, Object bundle, String serviceFilter) Retrieve global instance of a class via OSGI registry, if there are many only the first is returned.
static <T> void	overrideGlobalInstance(Class<T> clazz, T instance) Override a global instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

ServiceHelper

public ServiceHelper()

Method Detail

overrideGlobalInstance

public static <T> void overrideGlobalInstance(Class<T> clazz,
                                              T instance)

Override a global instance. This should generally only be used for testing.

Parameters:

clazz - The target class.

instance - The instance to return for the class.

getGlobalInstance

public static Object getGlobalInstance(Class<?> clazz,
                                       Object bundle)

Retrieve global instance of a class via OSGI registry, if there are many only the first is returned.

Parameters:

clazz - The target class

bundle - The caller

getGlobalInstance

public static Object getGlobalInstance(Class<?> clazz,
                                       Object bundle,
                                       String serviceFilter)

Retrieve global instance of a class via OSGI registry, if there are many only the first is returned. On this version an LDAP type of filter is applied

Parameters:

clazz - The target class

bundle - The caller

serviceFilter - LDAP filter to be applied in the search