Package 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.

Method Summary

Modifier and Type	Method	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

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