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There is a newer version: 13.5

/**
 * Copyright 2012-2020 The Feign 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 feign;

import java.lang.reflect.Type;
import java.util.concurrent.CompletableFuture;

/**
 * A specific invocation of an APU
 */
@Experimental
class AsyncInvocation {

  private final C context;
  private final MethodInfo methodInfo;
  private final long startNanos;
  private CompletableFuture responseFuture;

  AsyncInvocation(C context, MethodInfo methodInfo) {
    super();
    this.context = context;
    this.methodInfo = methodInfo;
    this.startNanos = System.nanoTime();
  }

  C context() {
    return context;
  }

  String configKey() {
    return methodInfo.configKey();
  }

  long startNanos() {
    return startNanos;
  }

  Type underlyingType() {
    return methodInfo.underlyingReturnType();
  }

  boolean isAsyncReturnType() {
    return methodInfo.isAsyncReturnType();
  }

  void setResponseFuture(CompletableFuture responseFuture) {
    this.responseFuture = responseFuture;
  }

  CompletableFuture responseFuture() {
    return responseFuture;
  }
}