io.micronaut.discovery.StaticServiceInstanceList Maven / Gradle / Ivy
/*
* Copyright 2017-2019 original 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 io.micronaut.discovery;
import io.micronaut.health.HealthStatus;
import java.net.URI;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;
/**
* A {@link ServiceInstanceList} using a static list of URLs. This class doesn't support health checking.
*
* @author graemerocher
* @since 1.0
*/
public class StaticServiceInstanceList implements ServiceInstanceList {
private final String id;
private final Collection loadBalancedURIs;
/**
* Default constructor.
* @param id The id
* @param loadBalancedURIs The URIs
*/
public StaticServiceInstanceList(String id, Collection loadBalancedURIs) {
this.id = id;
this.loadBalancedURIs = loadBalancedURIs;
}
@Override
public String getID() {
return id;
}
@Override
public List getInstances() {
return loadBalancedURIs.stream().map(url -> {
ServiceInstance.Builder builder = ServiceInstance.builder(id, url);
builder.status(HealthStatus.UP);
return builder.build();
}).collect(Collectors.toList());
}
/**
* @return The URIs that are load balanced
*/
public Collection getLoadBalancedURIs() {
return loadBalancedURIs;
}
}