Source code for tvb.core.services.backend_client_factory

# -*- coding: utf-8 -*-
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"""
.. moduleauthor:: Paula Popa <paula.popa@codemart.ro>
"""
from tvb.basic.logger.builder import get_logger
from tvb.basic.profile import TvbProfile
from tvb.config import SIMULATOR_CLASS, SIMULATOR_MODULE
from tvb.core.adapters.abcadapter import ABCAdapter
from tvb.core.entities.load import get_class_by_name
from tvb.core.entities.storage import dao
from tvb.core.services.backend_clients.backend_client import BackendClient
from tvb.core.services.backend_clients.cluster_scheduler_client import ClusterSchedulerClient
from tvb.core.services.backend_clients.hpc_scheduler_client import HPCSchedulerClient
from tvb.core.services.backend_clients.standalone_client import StandAloneClient
from tvb.core.services.exceptions import InvalidSettingsException

LOGGER = get_logger(__name__)


[docs] class BackendClientFactory(object): @staticmethod def _get_backend_client(adapter_instance): # type: (ABCAdapter) -> BackendClient # For the moment run only simulations on HPC if TvbProfile.current.hpc.IS_HPC_RUN and type(adapter_instance) is get_class_by_name( "{}.{}".format(SIMULATOR_MODULE, SIMULATOR_CLASS)): if not TvbProfile.current.hpc.CAN_RUN_HPC: raise InvalidSettingsException("We can not enable HPC run. Most probably pyunicore is not installed!") # Return an entity capable to submit jobs to HPC. return HPCSchedulerClient() if TvbProfile.current.cluster.IS_DEPLOY: # Return an entity capable to submit jobs to the cluster. return ClusterSchedulerClient() # Return a thread launcher. return StandAloneClient()
[docs] @staticmethod def execute(operation_id, user_name_label, adapter_instance): backend_client = BackendClientFactory._get_backend_client(adapter_instance.stored_adapter) backend_client.execute(operation_id, user_name_label, adapter_instance)
[docs] @staticmethod def stop_operation(operation_id): operation = dao.get_operation_by_id(operation_id) algorithm = operation.algorithm backend_client = BackendClientFactory._get_backend_client(algorithm) return backend_client.stop_operation(operation_id)