me.j360.trace.storage.elasticsearch.ElasticFutures.java Source code

Introduction

Here is the source code for me.j360.trace.storage.elasticsearch.ElasticFutures.java

Source

/**
 * 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 me.j360.trace.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 <T> ListenableFuture<T> toGuava(ListenableActionFuture<T> elasticFuture) {
        final SettableFuture<T> future = SettableFuture.create();
        elasticFuture.addListener(new ActionListener<T>() {
            @Override
            public void onResponse(T t) {
                future.set(t);
            }

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