com.spotify.helios.client.Endpoint Maven / Gradle / Ivy

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/*
 * Copyright (c) 2015 Spotify AB.
 *
 * 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.spotify.helios.client;

import java.net.InetAddress;
import java.net.URI;

/**
 * A Helios master endpoint which is represented by a {@link URI} and an IP address resolved from
 * the hostname in the URI.
 */
public interface Endpoint {

  /**
   * Returns the {@link URI} of the endpoint.
   * A valid URI for Helios must have a scheme that's either http or https,
   * a hostname, and a port. I.e. it must be of the form http(s)://heliosmaster.domain.net:port.
   * It's up to the implementation to enforce this.
   * @return URI
   */
  URI getUri();

  /**
   * Returns the {@link InetAddress} to which the URI's hostname resolves.
   * @return List of InetAddress
   */
  InetAddress getIp();

}