Examples of org.osgi.framework.BundleContext.ungetService()

org.osgi.framework.BundleContext.ungetService()
Releases the service object for the service referenced by the specified {@code ServiceReference} object. If the context bundle's use count forthe service is zero, this method returns {@code false}. Otherwise, the context bundle's use count for the service is decremented by one.
The service object must no longer be used and all references to it should be destroyed when a bundle's use count for the service drops to zero.
The following steps are required to release the service object:
1. If the context bundle's use count for the service is zero or the service has been unregistered, {@code false} is returned.
2. The context bundle's use count for the service is decremented by one.
3. If the context bundle's use count for the service is now zero and the service has {@link Constants#SCOPE_BUNDLE bundle} or{@link Constants#SCOPE_PROTOTYPE prototype} scope, the{@link ServiceFactory#ungetService(Bundle,ServiceRegistration,Object)}method is called to release the service object for the context bundle.
4. {@code true} is returned.
@param reference A reference to the service to be released. @return {@code false} if the context bundle's use count for the serviceis zero or if the service has been unregistered; {@code true}otherwise. @throws IllegalStateException If this BundleContext is no longer valid. @throws IllegalArgumentException If the specified{@code ServiceReference} was not created by the same frameworkinstance as this {@code BundleContext}. @see #getService(ServiceReference) @see ServiceFactory

                try {
                    if (target instanceof Function) {
                        function = (Function) target;
                    }
                } finally {
                    context.ungetService(reference);
                }
            }
        } catch (Throwable t) {
        }
        return function;

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                    if (target instanceof Function) {
                        function = (Function) target;
                    }
                } finally {
                    if (context != null) {
                        context.ungetService(reference);
                    }
                }
            }
        } catch (Throwable t) {
        }

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                try {
                    if (target instanceof Function) {
                        function = (Function) target;
                    }
                } finally {
                    context.ungetService(reference);
                }
            }
        } catch (Throwable t) {
        }
        return function;

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                try {
                    if (target instanceof Function) {
                        function = (Function) target;
                    }
                } finally {
                    context.ungetService(reference);
                }
            }
        } catch (Throwable t) {
        }
        return function;

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                try {
                    if (target instanceof Function) {
                        function = (Function) target;
                    }
                } finally {
                    context.ungetService(reference);
                }
            }
        } catch (Throwable t) {
        }
        return function;

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        } catch (InvalidSyntaxException e) {
            logger.error("Syntax error looking up service {} using filter {}", EventHandler.class.getName(), EventHandler.MANAGED_FILTER);
        } finally {
            if (references != null) {
                for (ServiceReference ref : references) {
                    bundleContext.ungetService(ref);
                }
            }
        }
        return result;
    }

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        } catch (Exception e) {
            logger.warn("Unable to add temporary directory " + tempDirectory + "to the Tomcat deployment watcher, that folder will not be delete on the undeployment", e);
        } finally {
            if (tomcatDeploymentWatcherReference != null) {
                try {
                    bundleContext.ungetService(tomcatDeploymentWatcherReference);
                } catch (Exception e) {
                }
            }
        }
    }

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                repositoryAdmin.removeRepository(uri);
                repositoryAdmin.addRepository(uri);
            }
        } finally {
            if (reference != null) {
                bundleContext.ungetService(reference);
            }
        }
        
        addInfoMessage(actionRequest, getLocalizedString(actionRequest, "consolebase.obrmanager.info.refreshurl", name));
    }

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            repositoryAdmin.removeRepository(uri);
            persistRepositoryList(repositoryAdmin, PortletManager.getCurrentServer(actionRequest).getServerInfo()); 
            
        } finally {
            if (reference != null) {
                bundleContext.ungetService(reference);
            }
        }
        
        addInfoMessage(actionRequest, getLocalizedString(actionRequest, "consolebase.obrmanager.info.removeurl", name));
    }

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            name = getName(repository.getName(), obrUrl);
            
        } finally {
            if (reference != null) {
                bundleContext.ungetService(reference);
            }
        }
        
        addInfoMessage(actionRequest, getLocalizedString(actionRequest, "consolebase.obrmanager.info.add", name));        
    }

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