com.netflix.iep.service.ServiceManager Maven / Gradle / Ivy
/*
* Copyright 2014-2024 Netflix, Inc.
*
* 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.netflix.iep.service;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Set;
/**
* Manager to keep track of long running services that make up an application. The services are
* expected to start with the application and run for the life of the process. Service lifecycle
* is managed via the DI framework, typically via PostConstruct and PreDestroy annotations. All
* services should be injected into the set for this manager.
*/
public class ServiceManager {
private final List services;
public ServiceManager(Set serviceSet) {
services = new ArrayList<>();
services.addAll(serviceSet);
services.sort(Comparator.comparing(Service::name));
}
public List services() {
return Collections.unmodifiableList(services);
}
public boolean isHealthy() {
boolean healthy = true;
for (Service service : services) {
healthy = healthy && service.isHealthy();
}
return healthy;
}
}