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/**
 * Copyright 2015-2016 The OpenZipkin 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 zipkin.storage.elasticsearch;

import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.SettableFuture;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ListenableActionFuture;

final class ElasticFutures {
  static  ListenableFuture toGuava(ListenableActionFuture elasticFuture) {
    final SettableFuture future = SettableFuture.create();
    elasticFuture.addListener(new ActionListener() {
      @Override public void onResponse(T t) {
        future.set(t);
      }

      @Override public void onFailure(Throwable e) {
        future.setException(e);
      }
    });
    return future;
  }
}