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Amazon ElastiCache Cluster Client is an enhanced Java library to connect to ElastiCache clusters. This client library has been built upon Spymemcached and is released under the Amazon Software License.

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/**
 * Copyright (C) 2012-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved. 
 *
 * SPDX-License-Identifier: Apache-2.0
 */
package net.spy.memcached.internal;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import net.spy.memcached.ops.ConfigurationType;
import net.spy.memcached.ops.Operation;
import net.spy.memcached.ops.OperationStatus;

/**
 * Future returned for GetConfig operation.
 *
 * Not intended for general use.
 *
 * @param  Type of object returned from the getconfig
 */
public class GetConfigFuture implements Future {

  private final OperationFuture> rv;

  public GetConfigFuture(CountDownLatch l, long opTimeout, ConfigurationType type,
		  ExecutorService service) {
    this.rv = new OperationFuture>(type.getValue(), l, opTimeout, service);
  }

  public boolean cancel(boolean ign) {
    return rv.cancel(ign);
  }

  public T get() throws InterruptedException, ExecutionException {
    Future v = rv.get();
    return v == null ? null : v.get();
  }

  public T get(long duration, TimeUnit units) throws InterruptedException,
      TimeoutException, ExecutionException {
    Future v = rv.get(duration, units);
    return v == null ? null : v.get();
  }

  public OperationStatus getStatus() {
    return rv.getStatus();
  }

  public void set(Future d, OperationStatus s) {
    rv.set(d, s);
  }

  public void setOperation(Operation to) {
    rv.setOperation(to);
  }

  public boolean isCancelled() {
    return rv.isCancelled();
  }

  public boolean isDone() {
    return rv.isDone();
  }
}