2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.clamp.controlloop.participant.dcae.main.handler;
23 import java.io.Closeable;
24 import java.io.IOException;
25 import java.util.List;
27 import java.util.UUID;
29 import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
30 import org.onap.policy.clamp.controlloop.common.exception.ControlLoopRuntimeException;
31 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElement;
32 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoops;
33 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.Participant;
34 import org.onap.policy.clamp.controlloop.models.messages.rest.TypedSimpleResponse;
35 import org.onap.policy.clamp.controlloop.participant.dcae.main.parameters.ParticipantDcaeParameters;
36 import org.onap.policy.clamp.controlloop.participant.intermediary.api.ParticipantIntermediaryApi;
37 import org.onap.policy.clamp.controlloop.participant.intermediary.api.ParticipantIntermediaryFactory;
40 * This provider class dcae of participants and control loop elements.
42 public class DcaeProvider implements Closeable {
44 private final ParticipantIntermediaryApi intermediaryApi;
46 private final ControlLoopElementHandler clElementHandler;
49 * Create a participant dcae provider.
51 * @throws ControlLoopRuntimeException on errors creating the provider
53 public DcaeProvider(ParticipantDcaeParameters parameters) throws ControlLoopRuntimeException {
54 intermediaryApi = new ParticipantIntermediaryFactory().createApiImplementation();
55 intermediaryApi.init(parameters.getIntermediaryParameters());
56 clElementHandler = new ControlLoopElementHandler(parameters.getClampClientParameters(),
57 parameters.getConsulClientParameters());
58 intermediaryApi.registerControlLoopElementListener(clElementHandler);
62 public void close() throws IOException {
63 intermediaryApi.close();
64 clElementHandler.close();
68 * Get the control loops.
70 * @param name the controlLoop, null to get all
71 * @param version the controlLoop, null to get all
72 * @return the control loops
73 * @throws ControlLoopException on errors getting the control loops
75 public ControlLoops getControlLoops(String name, String version) throws ControlLoopException {
76 return intermediaryApi.getControlLoops(name, version);
80 * Get the dcae control loop elements.
82 * @param name the controlLoopElement, null to get all
83 * @param version the controlLoopElement, null to get all
84 * @return the control loop elements
85 * @throws ControlLoopException on errors getting the control loop elements
87 public Map<UUID, ControlLoopElement> getControlLoopElements(String name, String version)
88 throws ControlLoopException {
89 return intermediaryApi.getControlLoopElements(name, version);
93 * Update the given control loop element in the dcae.
95 * @param element the control loop element to update
96 * @return response simple response returned
97 * @throws ControlLoopException on errors updating the control loop element
99 public TypedSimpleResponse<ControlLoopElement> updateControlLoopElement(ControlLoopElement element)
100 throws ControlLoopException {
101 TypedSimpleResponse<ControlLoopElement> response = new TypedSimpleResponse<>();
102 response.setResponse(intermediaryApi.updateControlLoopElementState(element.getId(),
103 element.getOrderedState(), element.getState()));
108 * Get the current dcae participants.
110 * @param name the participant, null to get all
111 * @param version the participant, null to get all
112 * @return the list of participants
113 * @throws ControlLoopException on errors getting the participants
115 public List<Participant> getParticipants(String name, String version) throws ControlLoopException {
116 return intermediaryApi.getParticipants(name, version);
120 * Update a dcae participant.
122 * @param participant the participant to update
123 * @return TypedSimpleResponse simple response
124 * @throws ControlLoopException on errors updating the participant
127 public TypedSimpleResponse<Participant> updateParticipant(Participant participant) throws ControlLoopException {
128 TypedSimpleResponse<Participant> response = new TypedSimpleResponse<>();
129 response.setResponse(
130 intermediaryApi.updateParticipantState(participant.getDefinition(), participant.getParticipantState()));