ReindexMain.java

package com.cadrlife.devsearch.esplugin;

import org.elasticsearch.action.bulk.BulkRequestBuilder;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.action.search.SearchType;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.node.Node;
import org.elasticsearch.node.NodeBuilder;
import org.elasticsearch.search.SearchHit;

import static org.elasticsearch.node.NodeBuilder.nodeBuilder;

public class ReindexMain {
    public static void main(String[] args) {
        Node node = null;
//        System.setProperty("","")
        try {
            NodeBuilder nodeBuilder = nodeBuilder();
            nodeBuilder.settings()
                    .put("path.plugins", "D:\\Projects\\dev-search\\dev-search-elasticsearch-plugin\\src\\main\\assemblies")
                    .put("discovery.zen.ping.multicast.enabled", "false")
                        .put("discovery.zen.ping.unicast.hosts", "btsm01p");
            node = nodeBuilder.clusterName("elasticsearch").client(true).node();
            Client client = node.client();
            System.out.println("Running on http://localhost:9200/_plugin/dev-search");
            SearchResponse searchResp = client.prepareSearch("codesearch2")
                    .setSearchType(SearchType.SCAN)
                    .setQuery(QueryBuilders.matchAllQuery())
                    .setSize(50)
                    .execute().actionGet();
            System.out.println(searchResp);
            while(true) {
                SearchResponse scrollResp = client.prepareSearchScroll(searchResp.getScrollId())
                        .setScroll(new TimeValue(100))
                        .execute()
                        .actionGet();
                BulkRequestBuilder bulk = client.prepareBulk();
                if (scrollResp.getHits().getHits().length == 0) {
                    break;
                }
                for (SearchHit hit : scrollResp.getHits()) {
                    bulk.add(client.prepareIndex("devsearch",hit.type(),hit.getId()).setSource(hit.getSource()));
                }
                BulkResponse bulkResponse = bulk.execute().actionGet();
                if (bulkResponse.hasFailures()) {
                    System.out.println("Bulk failed" + bulkResponse.buildFailureMessage());
                    break;
                }
            }
//            client.admin().indices().re
//            Thread.sleep(Integer.MAX_VALUE);
        } catch (Exception e) {
            try {
                node.close();
            } catch (Exception e2) {

            }
        }

    }
}