def get_mapper_instance(env):
global mapper_instance
if not mapper_instance:
fqcn = env.get_property(DEFAULT_CONFIG_FILE, PROPERTY_MAPPER_CLASS, DEFAULT_MAPPER_CLASS)
env.log("Creating a new mapper instance of {}".format(fqcn))
klass = find_class(fqcn)
mapper_instance = klass(env)
return mapper_instance
def get_planner_instance(env):
global planner_instance
if not planner_instance:
fqcn = env.get_property(DEFAULT_CONFIG_FILE, PROPERTY_PLANNER_CLASS, DEFAULT_PLANNER_CLASS)
env.log("Creating a new planner instance of {}".format(fqcn))
klass = find_class(fqcn)
planner_instance = klass(env)
return planner_instance
def get_mapper_instance(env):
global mapper_instance
if not mapper_instance:
fqcn = env.get_property(DEFAULT_CONFIG_FILE, PROPERTY_MAPPER_CLASS,
DEFAULT_MAPPER_CLASS)
env.log("Creating a new mapper instance of {}".format(fqcn))
klass = find_class(fqcn)
mapper_instance = klass(env)
return mapper_instance
def get_planner_instance(env):
global planner_instance
if not planner_instance:
fqcn = env.get_property(DEFAULT_CONFIG_FILE, PROPERTY_PLANNER_CLASS,
DEFAULT_PLANNER_CLASS)
env.log("Creating a new planner instance of {}".format(fqcn))
klass = find_class(fqcn)
planner_instance = klass(env)
return planner_instance
def get_executor_instance(env, actionExecutor):
global executor_instance
if not executor_instance:
fqcn = env.get_property(DEFAULT_CONFIG_FILE, PROPERTY_EXECUTOR_CLASS, DEFAULT_EXECUTOR_CLASS)
env.log("Creating a new executor instance of {}".format(fqcn))
klass = find_class(fqcn)
executor_instance = klass(env, actionExecutor)
# NOT THREAD SAFE
# even if we already had an instance of an executor the choreographe object might have become
# stale so we refresh it. We only have one executor instance at once so this should be OK
executor_instance.actionExecutor = actionExecutor
return executor_instance
def get_executor_instance(env, actionExecutor):
global executor_instance
if not executor_instance:
fqcn = env.get_property(DEFAULT_CONFIG_FILE, PROPERTY_EXECUTOR_CLASS,
DEFAULT_EXECUTOR_CLASS)
env.log("Creating a new executor instance of {}".format(fqcn))
klass = find_class(fqcn)
executor_instance = klass(env, actionExecutor)
# NOT THREAD SAFE
# even if we already had an instance of an executor the choreographe object might have become
# stale so we refresh it. We only have one executor instance at once so this should be OK
executor_instance.actionExecutor = actionExecutor
return executor_instance
def get_updaters(env):
global updater_instances
if not updater_instances:
updater_instances = []
fqcns = env.get_property(DEFAULT_CONFIG_FILE, PROPERTY_UPDATER_CLASSES)
if fqcns:
for fqcn in fqcns:
env.log("Creating a new updater instance of {}".format(fqcn))
klass = find_class(fqcn)
updater = klass(env)
if updater:
updater_instances.append(updater)
return updater_instances
def get_updaters(env):
global updater_instances
if not updater_instances:
updater_instances = []
fqcns = env.get_property(DEFAULT_CONFIG_FILE, PROPERTY_UPDATER_CLASSES)
if fqcns:
for fqcn in fqcns:
env.log("Creating a new updater instance of {}".format(fqcn))
klass = find_class(fqcn)
updater = klass(env)
if updater:
updater_instances.append(updater)
return updater_instances
def get_translator(name=None):
global translator_instances
if not name:
name = DEFAULT_TRANSLATOR_NAME
# force the name to be a valid translator
try:
clazzname = TRANSLATORS[name]
except KeyError:
name = DEFAULT_TRANSLATOR_NAME
clazzname = TRANSLATORS[DEFAULT_TRANSLATOR_NAME]
# get an existing translator instance or make a new one
try:
translator = translator_instances[name]
except KeyError:
klass = find_class(clazzname)
translator = klass()
translator_instances[name] = translator
return translator
def get_translator(name=None):
global default_translator
if not default_translator:
default_translator = find_class(DEFAULT_TRANSLATOR_NAME)
return default_translator()