external/storm-elasticsearch/src/main/java/org/apache/storm/elasticsearch/ElasticsearchGetRequest.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 org.apache.storm.elasticsearch;

import java.io.Serializable;

import org.elasticsearch.action.get.GetRequest;

import org.apache.storm.tuple.ITuple;

/**
 * @since 0.11
 * The adapter to convert the incoming tuple to Elasticsearch GetRequest.
 */
public interface ElasticsearchGetRequest extends Serializable {

    /**
     * @return GetRequest to perform against Elasticsearch.
     */
    GetRequest extractFrom(ITuple tuple);
}