| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.geronimo.microprofile.reporter.storage.plugins.health; |
| |
| import java.util.stream.Stream; |
| |
| import javax.enterprise.context.ApplicationScoped; |
| import javax.enterprise.event.Observes; |
| import javax.inject.Inject; |
| |
| import org.apache.geronimo.microprofile.reporter.storage.data.InMemoryDatabase; |
| import org.apache.geronimo.microprofile.reporter.storage.data.MicroprofileDatabase; |
| import org.apache.geronimo.microprofile.reporter.storage.plugins.Tick; |
| |
| // cdi indirection to not require health check api and impl to be present |
| @ApplicationScoped |
| public class HealthService { |
| private final HealthDataExtractor extractor = new HealthDataExtractor(); |
| |
| @Inject |
| private HealthRegistry registry; |
| |
| @Inject |
| private MicroprofileDatabase database; |
| |
| public boolean isActive() { |
| return registry.getApiType() != null; |
| } |
| |
| void register(final Object check) { |
| extractor.register(check); |
| } |
| |
| public Stream<CheckSnapshot> doCheck() { |
| return extractor.doCheck(); |
| } |
| |
| public void onTick(@Observes final Tick tick) { |
| if (isActive()) { |
| doCheck().forEach(this::updateHealthCheck); |
| } |
| } |
| |
| private void updateHealthCheck(final CheckSnapshot healthCheckResponse) { |
| final String name = healthCheckResponse.getName(); |
| InMemoryDatabase<CheckSnapshot> db = database.getChecks().get(name); |
| if (db == null) { |
| db = new InMemoryDatabase<>("check"); |
| final InMemoryDatabase<CheckSnapshot> existing = database.getChecks().putIfAbsent(name, db); |
| if (existing != null) { |
| db = existing; |
| } |
| } |
| db.add(healthCheckResponse); |
| } |
| } |