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/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2023 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.lifecycle;
import lombok.Getter;
import org.onap.policy.drools.features.DroolsControllerFeatureApi;
import org.onap.policy.drools.features.PolicyControllerFeatureApi;
import org.onap.policy.drools.features.PolicyEngineFeatureApi;
import org.onap.policy.drools.protocol.configuration.DroolsConfiguration;
import org.onap.policy.drools.system.PolicyController;
import org.onap.policy.drools.system.PolicyEngine;
/**
* This class hooks the Lifecycle State Machine to the PDP-D.
*/
public class LifecycleFeature
implements PolicyEngineFeatureApi, DroolsControllerFeatureApi, PolicyControllerFeatureApi {
/**
* Lifecycle FSM.
*/
@Getter
public static LifecycleFsm fsm = new LifecycleFsm();
@Override
public int getSequenceNumber() {
return 1;
}
@Override
public boolean afterStart(PolicyEngine engine) {
return fsmStart();
}
@Override
public boolean afterStart(PolicyController controller) {
return fsmStart(controller);
}
@Override
public boolean afterPatch(
PolicyController controller, DroolsConfiguration oldConfiguration,
DroolsConfiguration newConfiguration, boolean success) {
return fsmPatch(controller);
}
@Override
public boolean beforeStop(PolicyEngine engine) {
return fsmStop();
}
@Override
public boolean beforeStop(PolicyController controller) {
return fsmStop(controller);
}
@Override
public boolean beforeShutdown(PolicyEngine engine) {
return fsmShutdown();
}
@Override
public boolean beforeHalt(PolicyController controller) {
return fsmStop(controller);
}
@Override
public boolean beforeLock(PolicyController controller) {
return fsmStop(controller);
}
@Override
public boolean afterUnlock(PolicyController controller) {
return fsmStart(controller);
}
private boolean fsmStart() {
getFsm().start();
return false;
}
private boolean fsmStart(PolicyController controller) {
getFsm().start(controller);
return false;
}
private boolean fsmStop() {
getFsm().stop();
return false;
}
private boolean fsmStop(PolicyController controller) {
getFsm().stop(controller);
return false;
}
private boolean fsmPatch(PolicyController controller) {
getFsm().patch(controller);
return false;
}
private boolean fsmShutdown() {
getFsm().shutdown();
return false;
}
}
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