/**
* Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
*
* 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.
*/
package com.linkedin.pinot.controller.helix;
import org.apache.helix.NotificationContext;
import org.apache.helix.model.Message;
import org.apache.helix.participant.statemachine.StateModel;
import org.apache.helix.participant.statemachine.StateModelFactory;
import org.apache.helix.participant.statemachine.StateModelInfo;
import org.apache.helix.participant.statemachine.Transition;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class EmptySegmentOnlineOfflineStateModelFactory extends StateModelFactory<StateModel> {
@Override
public StateModel createNewStateModel(String partitionName) {
final EmptySegmentOnlineOfflineStateModel SegmentOnlineOfflineStateModel = new EmptySegmentOnlineOfflineStateModel();
return SegmentOnlineOfflineStateModel;
}
public EmptySegmentOnlineOfflineStateModelFactory() {
}
public static String getStateModelDef() {
return "SegmentOnlineOfflineStateModel";
}
@StateModelInfo(states = "{'OFFLINE','ONLINE', 'DROPPED'}", initialState = "OFFLINE")
public static class EmptySegmentOnlineOfflineStateModel extends StateModel {
private static final Logger LOGGER = LoggerFactory.getLogger(EmptySegmentOnlineOfflineStateModel.class);
@Transition(from = "OFFLINE", to = "ONLINE")
public void onBecomeOnlineFromOffline(Message message, NotificationContext context) {
LOGGER.info("EmptySegmentOnlineOfflineStateModel.onBecomeOnlineFromOffline() : " + message);
}
@Transition(from = "OFFLINE", to = "CONSUMING")
public void onBecomeConsumingFromOffline(Message message, NotificationContext context) {
LOGGER.info("EmptySegmentOnlineOfflineStateModel.onBecomeConsumingFromOffline() : " + message);
}
@Transition(from = "ONLINE", to = "OFFLINE")
public void onBecomeOfflineFromOnline(Message message, NotificationContext context) {
LOGGER.info("EmptySegmentOnlineOfflineStateModel.onBecomeOfflineFromOnline() : " + message);
}
@Transition(from = "OFFLINE", to = "DROPPED")
public void onBecomeDroppedFromOffline(Message message, NotificationContext context) {
LOGGER.info("EmptySegmentOnlineOfflineStateModel.onBecomeDroppedFromOffline() : " + message);
}
@Transition(from = "ONLINE", to = "DROPPED")
public void onBecomeDroppedFromOnline(Message message, NotificationContext context) {
LOGGER.info("EmptySegmentOnlineOfflineStateModel.onBecomeDroppedFromOnline() : " + message);
}
@Transition(from = "CONSUMING", to = "DROPPED")
public void onBecomeDroppedFromConsuming(Message message, NotificationContext context) {
LOGGER.info("EmptySegmentOnlineOfflineStateModel.onBecomeDroppedFromConsuming() : " + message);
}
}
}