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 @throws IllegalStateException If this BundleContext is no longer valid.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

   */
  public static boolean getTargetBC_ungetService(final ServiceReference sr)
  {
    final BundleContext tbc = getTargetBC();
    if(null != tbc) {
      return tbc.ungetService(sr);
    }
    return false;
  }


  /**

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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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            if (coordination != null)
                coordination.fail(e);
        } finally {
            if (coordinator != null)
                bc.ungetService(coordSvcRef);
        }
    }


    public ResolutionResult getResult() {
        return result;

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                try {
                    base.evaluate();
                } finally {
                    Service.this.service = null;
                    bundleContext.ungetService(serviceReference);
                }
            }


        };
    }

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                            // unget the repository if the service cannot
                            // login to it, otherwise the repository service
                            // is let go off when the resource resolver is
                            // closed and the session logged out
                            if (session == null) {
                                bc.ungetService(repositoryReference);
                            }
                        }


                    } else {

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            if (coordination != null)
                coordination.fail(e);
        } finally {
            if (coordinator != null)
                bc.ungetService(coordSvcRef);
        }
    }


    public ResolutionResult getResult() {
        return result;

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            try {
                installer.registerResources(prefix, toRegister.toArray(new InstallableResource[] {}));
                log.info("Registered {} resources with installer, using prefix '{}'", toRegister.size(), prefix);
                resources.clear();
            } finally {
                ctx.ungetService(ref);
            }
        }
        
    }
}

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      if (root == null)
        return null;
      // strip off file: prefix from URL
      return new Path(root.toExternalForm().substring(5));
    } finally {
      context.ungetService(ref);
    }
  }


  /**
   * Returns the root location for storing content and metadata on this

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                    }
                    finally
                    {
                        try
                        {
                            bundleContext.ungetService( caRef );
                        }
                        catch ( IllegalStateException e )
                        {
                            // ignore, bundle context was shut down during the above.
                        }

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                        throw new ConfigurationException( OsgiManager.PROP_PASSWORD, "Cannot update password property",
                            e );
                    }
                    finally
                    {
                        bc.ungetService( ref );
                    }
                }
            }
        }
    }

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