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/*
 * Copyright (C) Gustav Karlsson
 *
 * 

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.github.kagkarlsson.scheduler.boot.config.startup; import com.github.kagkarlsson.scheduler.Scheduler; import com.github.kagkarlsson.scheduler.SchedulerState; import com.github.kagkarlsson.scheduler.boot.config.DbSchedulerStarter; import java.util.Objects; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public abstract class AbstractSchedulerStarter implements DbSchedulerStarter { private final Logger log = LoggerFactory.getLogger(this.getClass()); private final Scheduler scheduler; protected AbstractSchedulerStarter(Scheduler scheduler) { this.scheduler = Objects.requireNonNull(scheduler, "A scheduler must be provided"); } @Override public void doStart() { SchedulerState state = scheduler.getSchedulerState(); if (state.isShuttingDown()) { log.warn("Scheduler is shutting down - will not attempting to start"); return; } if (state.isStarted()) { log.info("Scheduler already started - will not attempt to start again"); return; } log.info("Triggering scheduler start"); scheduler.start(); } }





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