Java code example for bitwijg

BitwjgTest.java

package org.elasticsearch.test;

import org.elasticsearch.action.admin.indices.create.CreateIndexRequest;
import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;
import org.elasticsearch.action.admin.indices.refresh.RefreshRequest;
import org.elasticsearch.action.bulk.BulkRequestBuilder;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.json.JsonXContent;
import org.elasticsearch.index.query.QueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.node.Node;
import org.elasticsearch.search.SearchHits;
import org.testng.annotations.Test;

import java.io.IOException;

import static org.elasticsearch.index.query.QueryBuilders.matchQuery;
import static org.elasticsearch.node.NodeBuilder.nodeBuilder;

public class BitwjgTest {

    private final ESLogger logger = Loggers.getLogger(BitwjgTest.class);

    private XContentBuilder makeJson(int i) throws IOException {
        XContentBuilder xb = JsonXContent.contentBuilder()
                .startObject()
                .field("stream_id", i)
                .field("source", "source")
                .field("doc_id", i)
                .startObject("stream_time")
                .field("epoch_ticks", "epoch_ticks")
                .field("zulu_timestamp", "zulu_timestamp")
                .endObject()
                .startObject("body")
                .field("cleansed", "steve ballmer gaylor")
                .field("ner", "body_ner_text")
                .endObject()
                .endObject();
        return xb;
    }

    @Test
    public void test() throws Exception {
        Node node = nodeBuilder().clusterName("MSRA-KM").node().start();
        Client client = node.client();
        // create index "test"
        client.admin().indices().create(new CreateIndexRequest("test"));
        // wait for healthy cluster should be added here...
        for (int i = 0; i < 2; i++) {
            //new a bulk request, for every folder, create an index once
            BulkRequestBuilder bulkRequest = client.prepareBulk();
            XContentBuilder xb = makeJson(i);
            bulkRequest.add(client.prepareIndex("test", "kba").setSource(xb));
            BulkResponse response = bulkRequest.execute().actionGet();
            if (response.hasFailures()) {
                logger.error("bulk index doc error: " + response.buildFailureMessage());
            }
        }
        client.admin().indices().refresh(new RefreshRequest()).actionGet();
        QueryBuilder qb = QueryBuilders
                .boolQuery()
                .should(matchQuery("cleansed", "steve"))
                .should(matchQuery("cleansed", "ballmer"))
                .should(matchQuery("cleansed", "Gaylor"));
        SearchResponse searchResponse = client.prepareSearch("test")
                .setQuery(qb)
                .execute()
                .actionGet();
        logger.info("there are " + searchResponse.getHits().totalHits() + " hits in this search");
        SearchHits hits = searchResponse.getHits();
        for (int i = 0; i < hits.totalHits(); i++) {
            logger.info("hit docid = {}", hits.getAt(i).getSource().get("doc_id"));
        }
        // delete index "test"
        client.admin().indices().delete(new DeleteIndexRequest("test"));
        node.stop();
    }
}