/*
 * Copyright 2021 Apollo Authors
 *
 * 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.ctrip.framework.apollo.adminservice;

import com.ctrip.framework.apollo.biz.service.AppService;
import org.springframework.boot.actuate.health.Health;
import org.springframework.boot.actuate.health.HealthIndicator;
import org.springframework.data.domain.PageRequest;
import org.springframework.stereotype.Component;

@Component
public class AdminServiceHealthIndicator implements HealthIndicator {

  private final AppService appService;

  public AdminServiceHealthIndicator(final AppService appService) {
    this.appService = appService;
  }

  @Override
  public Health health() {
    check();
    return Health.up().build();
  }

  private void check() {
    PageRequest pageable = PageRequest.of(0, 1);
    appService.findAll(pageable);
  }

}
