diff options
Diffstat (limited to 'participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/simulation/SimulationHandler.java')
-rw-r--r-- | participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/simulation/SimulationHandler.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/simulation/SimulationHandler.java b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/simulation/SimulationHandler.java new file mode 100644 index 000000000..df7f2a611 --- /dev/null +++ b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/simulation/SimulationHandler.java @@ -0,0 +1,81 @@ +/*- + * ============LICENSE_START======================================================= + * Copyright (C) 2021 Nordix Foundation. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.clamp.controlloop.participant.simulator.simulation; + +import java.io.IOException; +import java.util.List; +import java.util.Set; +import javax.ws.rs.core.Response; +import lombok.Getter; +import org.onap.policy.clamp.controlloop.common.handler.ControlLoopHandler; +import org.onap.policy.clamp.controlloop.participant.intermediary.parameters.ParticipantIntermediaryParameters; +import org.onap.policy.clamp.controlloop.participant.simulator.main.parameters.ParticipantSimulatorParameters; +import org.onap.policy.clamp.controlloop.participant.simulator.simulation.rest.SimulationElementController; +import org.onap.policy.clamp.controlloop.participant.simulator.simulation.rest.SimulationParticipantController; +import org.onap.policy.common.endpoints.event.comm.TopicSink; +import org.onap.policy.common.endpoints.listeners.MessageTypeDispatcher; +import org.onap.policy.common.utils.services.Registry; +import org.onap.policy.models.base.PfModelRuntimeException; + +/** + * This class handles simulation of participants and control loop elements. + * + * <p/>It is effectively a singleton that is started at system start. + */ +public class SimulationHandler extends ControlLoopHandler { + private final ParticipantIntermediaryParameters participantParameters; + + @Getter + private SimulationProvider simulationProvider; + + /** + * Create a handler. + * + * @param parameters the parameters for access to the database + */ + public SimulationHandler(ParticipantSimulatorParameters parameters) { + super(parameters.getDatabaseProviderParameters()); + participantParameters = parameters.getIntermediaryParameters(); + } + + public static SimulationHandler getInstance() { + return Registry.get(SimulationHandler.class.getName()); + } + + @Override + public Set<Class<?>> getProviderClasses() { + return Set.of(SimulationElementController.class, SimulationParticipantController.class); + } + + @Override + public void startProviders() { + simulationProvider = new SimulationProvider(participantParameters); + } + + @Override + public void stopProviders() { + try { + simulationProvider.close(); + } catch (IOException e) { + throw new PfModelRuntimeException(Response.Status.INTERNAL_SERVER_ERROR, "Stop providers failed ", e); + } + } +} |