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From: StephanEwen <git@git.apache.org>
To: issues@flink.incubator.apache.org
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Subject: [GitHub] flink pull request: FLINK-3115: Update ElasticSearch
 connector to ...
Content-Type: text/plain
Message-Id: <20151231153653.B60E4E1779@git1-us-west.apache.org>
Date: Thu, 31 Dec 2015 15:36:53 +0000 (UTC)

Github user StephanEwen commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1479#discussion_r48660361
  
    --- Diff: flink-streaming-connectors/flink-connector-elasticsearch2/src/main/java/org/apache/flink/streaming/connectors/elasticsearch2/examples/ElasticsearchExample.java ---
    @@ -0,0 +1,79 @@
    +/*
    + * 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
    + *
    + *    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 org.apache.flink.streaming.connectors.elasticsearch2.examples;
    +
    +import org.apache.flink.api.common.functions.RuntimeContext;
    +import org.apache.flink.streaming.api.datastream.DataStreamSource;
    +import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
    +import org.apache.flink.streaming.api.functions.source.SourceFunction;
    +import org.apache.flink.streaming.connectors.elasticsearch2.ElasticsearchSink;
    +import org.apache.flink.streaming.connectors.elasticsearch2.IndexRequestBuilder;
    +import org.elasticsearch.action.index.IndexRequest;
    +import org.elasticsearch.client.Requests;
    +
    +import java.util.HashMap;
    +import java.util.Map;
    +
    +/**
    + * This example shows how to use the Elasticsearch Sink. Before running it you must ensure that
    + * you have a cluster names "elasticsearch" running or change the cluster name in the config map.
    + */
    +public class ElasticsearchExample {
    +
    +	public static void main(String[] args) throws Exception {
    +		
    +		StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    +
    +		DataStreamSource<String> source = env.addSource(new SourceFunction<String>() {
    --- End diff --
    
    You can probably simplify this using `StreamExecutionEnvironment.generateSequence(from, to).map(...)`


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