com.github.kagkarlsson.scheduler.boot.actuator.DbSchedulerHealthIndicator Maven / Gradle / Ivy

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A starter for Spring Boot that will configure db-scheduler

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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.actuator;

import com.github.kagkarlsson.scheduler.Scheduler;
import com.github.kagkarlsson.scheduler.SchedulerState;
import java.util.Objects;
import org.springframework.boot.actuate.health.Health;
import org.springframework.boot.actuate.health.HealthIndicator;

public class DbSchedulerHealthIndicator implements HealthIndicator {
    private final SchedulerState state;

    public DbSchedulerHealthIndicator(Scheduler scheduler) {
        this.state = Objects.requireNonNull(scheduler).getSchedulerState();
    }

    @Override
    public Health health() {
        if (state.isStarted() && !state.isShuttingDown()) {
            return Health.up()
                .withDetail("state", "started")
                .build();
        } else if (state.isStarted() && state.isShuttingDown()) {
            return Health.outOfService()
                .withDetail("state", "shutting_down")
                .build();
        } else if (!state.isStarted() && !state.isShuttingDown()) {
            return Health.down()
                .withDetail("state", "not_started")
                .build();
        } else {
            return Health.down().build();
        }
    }
}