diff options
Diffstat (limited to 'participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java')
-rw-r--r-- | participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java new file mode 100644 index 000000000..932ebbece --- /dev/null +++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java @@ -0,0 +1,159 @@ +/*- + * ============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.policy.main.handler; + +import java.time.Instant; +import java.util.LinkedHashMap; +import java.util.Map; +import java.util.Map.Entry; +import java.util.UUID; +import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ClElementStatistics; +import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElement; +import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopOrderedState; +import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopState; +import org.onap.policy.clamp.controlloop.participant.intermediary.api.ControlLoopElementListener; +import org.onap.policy.models.base.PfModelException; +import org.onap.policy.models.base.PfModelRuntimeException; +import org.onap.policy.models.provider.PolicyModelsProvider; +import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy; +import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyType; +import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * This class handles implementation of controlLoopElement updates. + */ +public class ControlLoopElementHandler implements ControlLoopElementListener { + + private static final Logger LOGGER = LoggerFactory.getLogger(ControlLoopElementHandler.class); + private static final Map<String, String> policyTypeMap = new LinkedHashMap<>(); + private static final Map<String, String> policyMap = new LinkedHashMap<>(); + + /** + * Callback method to handle a control loop element state change. + * + * @param controlLoopElementId the ID of the control loop element + * @param currentState the current state of the control loop element + * @param newState the state to which the control loop element is changing to + * @throws PfModelException in case of an exception + */ + @Override + public void controlLoopElementStateChange(UUID controlLoopElementId, + ControlLoopState currentState, + ControlLoopOrderedState newState) throws PfModelException { + PolicyProvider policyProvider = PolicyHandler.getInstance().getPolicyProvider(); + switch (newState) { + case UNINITIALISED: + try { + deletePolicyData(controlLoopElementId, newState); + } catch (PfModelRuntimeException e) { + LOGGER.debug("Delete policytpes failed", e); + } + break; + case PASSIVE: + policyProvider.getIntermediaryApi() + .updateControlLoopElementState(controlLoopElementId, newState, + ControlLoopState.PASSIVE); + break; + case RUNNING: + policyProvider.getIntermediaryApi() + .updateControlLoopElementState(controlLoopElementId, newState, + ControlLoopState.RUNNING); + break; + default: + LOGGER.debug("Unknown orderedstate {}", newState); + break; + } + } + + private void deletePolicyData(UUID controlLoopElementId, + ControlLoopOrderedState newState) throws PfModelException { + PolicyModelsProvider dbProvider = PolicyHandler.getInstance().getDatabaseProvider(); + PolicyProvider policyProvider = PolicyHandler.getInstance().getPolicyProvider(); + if (policyMap != null) { + // Delete all policies of this controlLoop from policy framework + for (Entry<String, String> policy : policyMap.entrySet()) { + dbProvider.deletePolicy(policy.getKey(), policy.getValue()); + } + } + if (policyTypeMap != null) { + // Delete all policy types of this control loop from policy framework + for (Entry<String, String> policy : policyTypeMap.entrySet()) { + dbProvider.deletePolicyType(policy.getKey(), policy.getValue()); + } + } + policyProvider.getIntermediaryApi() + .updateControlLoopElementState(controlLoopElementId, newState, + ControlLoopState.UNINITIALISED); + } + + /** + * Callback method to handle an update on a control loop element. + * + * @param element the information on the control loop element + * @param controlLoopDefinition toscaServiceTemplate + * @throws PfModelException in case of an exception + */ + @Override + public void controlLoopElementUpdate(ControlLoopElement element, + ToscaServiceTemplate controlLoopDefinition) throws PfModelException { + PolicyModelsProvider dbProvider = PolicyHandler.getInstance().getDatabaseProvider(); + PolicyProvider policyProvider = PolicyHandler.getInstance().getPolicyProvider(); + + policyProvider.getIntermediaryApi() + .updateControlLoopElementState(element.getId(), element.getOrderedState(), ControlLoopState.PASSIVE); + if (controlLoopDefinition.getPolicyTypes() != null) { + for (ToscaPolicyType policyType : controlLoopDefinition.getPolicyTypes().values()) { + policyTypeMap.put(policyType.getName(), policyType.getVersion()); + } + dbProvider.createPolicyTypes(controlLoopDefinition); + } + if (controlLoopDefinition.getToscaTopologyTemplate().getPolicies() != null) { + for (Map<String, ToscaPolicy> foundPolicyMap : controlLoopDefinition + .getToscaTopologyTemplate().getPolicies()) { + for (ToscaPolicy policy : foundPolicyMap.values()) { + policyMap.put(policy.getName(), policy.getVersion()); + } + } + dbProvider.createPolicies(controlLoopDefinition); + } + } + + /** + * Handle controlLoopElement statistics. + * + * @param controlLoopElementId controlloop element id + */ + @Override + public void handleStatistics(UUID controlLoopElementId) { + PolicyProvider policyProvider = PolicyHandler.getInstance().getPolicyProvider(); + ControlLoopElement clElement = policyProvider.getIntermediaryApi() + .getControlLoopElement(controlLoopElementId); + if (clElement != null) { + ClElementStatistics clElementStatistics = new ClElementStatistics(); + clElementStatistics.setControlLoopState(clElement.getState()); + clElementStatistics.setTimeStamp(Instant.now()); + policyProvider.getIntermediaryApi() + .updateControlLoopElementStatistics(controlLoopElementId, clElementStatistics); + } + } +} |