com.google.apphosting.runtime.http.HttpApiHostClientFactory Maven / Gradle / Ivy

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/*
 * Copyright 2021 Google LLC
 *
 * 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
 *
 *     https://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.google.apphosting.runtime.http;

import static com.google.apphosting.runtime.http.HttpApiHostClient.REQUEST_ENDPOINT;

import com.google.apphosting.runtime.anyrpc.APIHostClientInterface;
import com.google.apphosting.runtime.http.HttpApiHostClient.Config;
import com.google.common.net.HostAndPort;
import java.util.OptionalInt;

/** Makes instances of {@link HttpApiHostClient}. */
public class HttpApiHostClientFactory {
  private HttpApiHostClientFactory() {}

  /**
   * Creates a new HttpApiHostClient instance to talk to the HTTP-based API server on the given host
   * and port. This method is called reflectively from ApiHostClientFactory.
   */
  public static APIHostClientInterface create(
      HostAndPort hostAndPort, OptionalInt maxConcurrentRpcs) {
    String url = "http://" + hostAndPort + REQUEST_ENDPOINT;
    Config config =
        Config.builder()
            .setMaxConnectionsPerDestination(maxConcurrentRpcs)
            .build();
    return HttpApiHostClient.create(url, config);
  }
}