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/*-
* ============LICENSE_START=======================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.clamp.models.acm.persistence.provider;
import org.onap.policy.clamp.models.acm.concepts.DeployState;
import org.onap.policy.clamp.models.acm.concepts.LockState;
import org.onap.policy.clamp.models.acm.concepts.StateChangeResult;
import org.onap.policy.clamp.models.acm.messages.rest.instantiation.DeployOrder;
import org.onap.policy.clamp.models.acm.messages.rest.instantiation.LockOrder;
import org.onap.policy.clamp.models.acm.utils.StateDefinition;
import org.springframework.stereotype.Component;
@Component
public class AcInstanceStateResolver {
private final StateDefinition<String> graph;
private static final String DEPLOYED = DeployState.DEPLOYED.name();
private static final String DEPLOYING = DeployState.DEPLOYING.name();
private static final String UNDEPLOYED = DeployState.UNDEPLOYED.name();
private static final String UNDEPLOYING = DeployState.UNDEPLOYING.name();
private static final String UPDATING = DeployState.UPDATING.name();
private static final String DELETING = DeployState.DELETING.name();
private static final String LOCKED = LockState.LOCKED.name();
private static final String LOCKING = LockState.LOCKING.name();
private static final String UNLOCKED = LockState.UNLOCKED.name();
private static final String UNLOCKING = LockState.UNLOCKING.name();
private static final String STATE_LOCKED_NONE = LockState.NONE.name();
private static final String DEPLOY_NONE = DeployOrder.NONE.name();
private static final String LOCK_NONE = LockOrder.NONE.name();
private static final String NO_ERROR = StateChangeResult.NO_ERROR.name();
private static final String FAILED = StateChangeResult.FAILED.name();
// list of results
public static final String DEPLOY = DeployOrder.DEPLOY.name();
public static final String UNDEPLOY = DeployOrder.UNDEPLOY.name();
public static final String DELETE = DeployOrder.DELETE.name();
public static final String LOCK = LockOrder.LOCK.name();
public static final String UNLOCK = LockOrder.UNLOCK.name();
public static final String NONE = "NONE";
/**
* Construct.
*/
public AcInstanceStateResolver() {
this.graph = new StateDefinition<>(5, NONE);
// no error
this.graph.put(new String[] {DEPLOY, LOCK_NONE, UNDEPLOYED, STATE_LOCKED_NONE, NO_ERROR}, DEPLOY);
this.graph.put(new String[] {UNDEPLOY, LOCK_NONE, DEPLOYED, LOCKED, NO_ERROR}, UNDEPLOY);
this.graph.put(new String[] {DELETE, LOCK_NONE, UNDEPLOYED, LOCK_NONE, NO_ERROR}, DELETE);
this.graph.put(new String[] {DEPLOY_NONE, UNLOCK, DEPLOYED, LOCKED, NO_ERROR}, UNLOCK);
this.graph.put(new String[] {DEPLOY_NONE, LOCK, DEPLOYED, UNLOCKED, NO_ERROR}, LOCK);
// failed
this.graph.put(new String[] {DEPLOY, LOCK_NONE, UNDEPLOYING, STATE_LOCKED_NONE, FAILED}, DEPLOY);
this.graph.put(new String[] {UNDEPLOY, LOCK_NONE, UNDEPLOYING, STATE_LOCKED_NONE, FAILED}, UNDEPLOY);
this.graph.put(new String[] {UNDEPLOY, LOCK_NONE, UPDATING, STATE_LOCKED_NONE, FAILED}, UNDEPLOY);
this.graph.put(new String[] {DEPLOY, LOCK_NONE, DEPLOYING, STATE_LOCKED_NONE, FAILED}, DEPLOY);
this.graph.put(new String[] {UNDEPLOY, LOCK_NONE, DEPLOYING, STATE_LOCKED_NONE, FAILED}, UNDEPLOY);
this.graph.put(new String[] {DELETE, LOCK_NONE, DELETING, LOCK_NONE, FAILED}, DELETE);
this.graph.put(new String[] {DEPLOY_NONE, UNLOCK, DEPLOYED, LOCKING, FAILED}, UNLOCK);
this.graph.put(new String[] {DEPLOY_NONE, LOCK, DEPLOYED, LOCKING, FAILED}, LOCK);
this.graph.put(new String[] {DEPLOY_NONE, LOCK, DEPLOYED, UNLOCKING, FAILED}, LOCK);
this.graph.put(new String[] {DEPLOY_NONE, UNLOCK, DEPLOYED, UNLOCKING, FAILED}, UNLOCK);
}
/**
* Check if Deploy Order and Lock Order are consistent with current DeployState and LockState.
*
* @param acDeployOrder the Deploy Ordered
* @param acLockOrder the Lock Ordered
* @param acDeployState then current Deploy State
* @param acLockState the current Lock State
* @param acStateChangeResult the current Result of the State Change
* @return the order (DEPLOY/UNDEPLOY/LOCK/UNLOCK) to send to participant or NONE if order is not consistent
*/
public String resolve(DeployOrder acDeployOrder, LockOrder acLockOrder, DeployState acDeployState,
LockState acLockState, StateChangeResult acStateChangeResult) {
var deployOrder = acDeployOrder != null ? acDeployOrder : DeployOrder.NONE;
var lockOrder = acLockOrder != null ? acLockOrder : LockOrder.NONE;
var stateChangeResult = acStateChangeResult != null ? acStateChangeResult : StateChangeResult.NO_ERROR;
var deployState = acDeployState != null ? acDeployState : DeployState.UNDEPLOYED;
var lockState = acLockState != null ? acLockState : LockState.NONE;
return this.graph.get(new String[] {deployOrder.name(), lockOrder.name(), deployState.name(), lockState.name(),
stateChangeResult.name()});
}
}
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