def use_waiting_list(bundle_context):
# type: (BundleContext) -> Any
"""
Utility context to use the iPOPO waiting list safely in a "with" block.
It looks after the the iPOPO waiting list service and releases its
reference when exiting the context.
:param bundle_context: The calling bundle context
:return: The iPOPO waiting list service
:raise BundleException: Service not found
"""
# Get the service and its reference
ref = bundle_context.get_service_reference(SERVICE_IPOPO_WAITING_LIST)
if ref is None:
raise BundleException("No iPOPO waiting list service available")
try:
# Give the service
yield bundle_context.get_service(ref)
finally:
try:
# Release it
bundle_context.unget_service(ref)
except BundleException:
# Service might have already been unregistered
pass
def use_ipopo(bundle_context):
# type: (BundleContext) -> Any
"""
Utility context to use the iPOPO service safely in a "with" block.
It looks after the the iPOPO service and releases its reference when
exiting the context.
:param bundle_context: The calling bundle context
:return: The iPOPO service
:raise BundleException: Service not found
"""
# Get the service and its reference
ref_svc = get_ipopo_svc_ref(bundle_context)
if ref_svc is None:
raise BundleException("No iPOPO service available")
try:
# Give the service
yield ref_svc[1]
finally:
try:
# Release it
bundle_context.unget_service(ref_svc[0])
except BundleException:
# Service might have already been unregistered
pass