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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* 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.
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
* ============LICENSE_END=========================================================
*/
package org.openecomp.appc.statemachine.impl.readers;
import org.openecomp.appc.statemachine.StateMetaDataReader;
import org.openecomp.appc.statemachine.objects.Event;
import org.openecomp.appc.statemachine.objects.State;
import org.openecomp.appc.statemachine.objects.StateMachineMetadata;
public class AppcOamMetaDataReader implements StateMetaDataReader {
public enum AppcOperation {
MaintenanceMode,
Restart,
Start,
Stop
}
@Override
public StateMachineMetadata readMetadata() {
State NOT_INSTANTIATED = new State(AppcOamStates.NotInstantiated.toString());
State INSTANTIATED = new State(AppcOamStates.Instantiated.toString());
State RESTARTING = new State(AppcOamStates.Restarting.toString());
State STARTING = new State(AppcOamStates.Starting.toString());
State STARTED = new State(AppcOamStates.Started.toString());
State ENTERING_MAINTENANCE_MODE = new State(AppcOamStates.EnteringMaintenanceMode.toString());
State MAINTENANCE_MODE = new State(AppcOamStates.MaintenanceMode.toString());
State ERROR = new State(AppcOamStates.Error.toString());
State UNKNOWN = new State(AppcOamStates.Unknown.toString());
State STOPPING = new State(AppcOamStates.Stopping.toString());
State STOPPED = new State(AppcOamStates.Stopped.toString());
Event START = new Event(AppcOperation.Start.toString());
Event STOP = new Event(AppcOperation.Stop.toString());
Event MAINTENANCE_MODE_EVENT = new Event(AppcOperation.MaintenanceMode.toString());
Event RESTART = new Event(AppcOperation.Restart.toString());
StateMachineMetadata.StateMachineMetadataBuilder builder = new StateMachineMetadata
.StateMachineMetadataBuilder();
builder = builder.addState(NOT_INSTANTIATED);
builder = builder.addState(INSTANTIATED);
builder = builder.addState(STARTING);
builder = builder.addState(STARTED);
builder = builder.addState(ERROR);
builder = builder.addState(UNKNOWN);
builder = builder.addState(STOPPING);
builder = builder.addState(STOPPED);
builder = builder.addState(ENTERING_MAINTENANCE_MODE);
builder = builder.addState(MAINTENANCE_MODE);
builder = builder.addState(RESTARTING);
builder = builder.addEvent(START);
builder = builder.addEvent(STOP);
builder = builder.addEvent(RESTART);
builder = builder.addEvent(MAINTENANCE_MODE_EVENT);
/*
* for addTransition:
* param 1: current state; param 2: received command/request; param 3: new transition state
*/
// start
builder = builder.addTransition(STOPPED, START, STARTING);
builder = builder.addTransition(MAINTENANCE_MODE, START, STARTING);
builder = builder.addTransition(ERROR, START, STARTING);
// stop
builder = builder.addTransition(STARTED, STOP, STOPPING);
builder = builder.addTransition(STARTING, STOP, STOPPING);
builder = builder.addTransition(ENTERING_MAINTENANCE_MODE, STOP, STOPPING);
builder = builder.addTransition(MAINTENANCE_MODE, STOP, STOPPING);
builder = builder.addTransition(ERROR, STOP, STOPPING);
// maintenance mode
builder = builder.addTransition(
STARTED, MAINTENANCE_MODE_EVENT, ENTERING_MAINTENANCE_MODE);
// restart
builder = builder.addTransition(STOPPED, RESTART, RESTARTING);
builder = builder.addTransition(STARTING, RESTART, RESTARTING);
builder = builder.addTransition(STARTED, RESTART, RESTARTING);
builder = builder.addTransition(ENTERING_MAINTENANCE_MODE, RESTART, RESTARTING);
builder = builder.addTransition(MAINTENANCE_MODE, RESTART, RESTARTING);
builder = builder.addTransition(ERROR, RESTART, RESTARTING);
return builder.build();
}
}
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