Examples with MoreLikeThisQueryBuilder org.elasticsearch.index.query.MoreLikeThisQueryBuilder used on opensource projects

Example 1 with MoreLikeThisQueryBuilder

use of org.elasticsearch.index.query.MoreLikeThisQueryBuilder in project elasticsearch by elastic.

the class MoreLikeThisIT method testMoreLikeThisMalformedArtificialDocs.

public void testMoreLikeThisMalformedArtificialDocs() throws Exception {
    logger.info("Creating the index ...");
    assertAcked(prepareCreate("test").addMapping("type1", "text", "type=text,analyzer=whitespace", "date", "type=date"));
    ensureGreen("test");
    logger.info("Creating an index with a single document ...");
    indexRandom(true, client().prepareIndex("test", "type1", "1").setSource(jsonBuilder().startObject().field("text", "Hello World!").field("date", "2009-01-01").endObject()));
    logger.info("Checking with a malformed field value ...");
    XContentBuilder malformedFieldDoc = jsonBuilder().startObject().field("text", "Hello World!").field("date", "this is not a date!").endObject();
    MoreLikeThisQueryBuilder mltQuery = moreLikeThisQuery(new Item[] { new Item("test", "type1", malformedFieldDoc) }).minTermFreq(0).minDocFreq(0).minimumShouldMatch("0%");
    SearchResponse response = client().prepareSearch("test").setTypes("type1").setQuery(mltQuery).get();
    assertSearchResponse(response);
    assertHitCount(response, 0);
    logger.info("Checking with an empty document ...");
    XContentBuilder emptyDoc = jsonBuilder().startObject().endObject();
    mltQuery = moreLikeThisQuery(null, new Item[] { new Item("test", "type1", emptyDoc) }).minTermFreq(0).minDocFreq(0).minimumShouldMatch("0%");
    response = client().prepareSearch("test").setTypes("type1").setQuery(mltQuery).get();
    assertSearchResponse(response);
    assertHitCount(response, 0);
    logger.info("Checking the document matches otherwise ...");
    XContentBuilder normalDoc = jsonBuilder().startObject().field("text", "Hello World!").field("date", // should be properly parsed but ignored ...
    "1000-01-01").endObject();
    mltQuery = moreLikeThisQuery(null, new Item[] { new Item("test", "type1", normalDoc) }).minTermFreq(0).minDocFreq(0).minimumShouldMatch(// strict all terms must match but date is ignored
    "100%");
    response = client().prepareSearch("test").setTypes("type1").setQuery(mltQuery).get();
    assertSearchResponse(response);
    assertHitCount(response, 1);
}

Example 2 with MoreLikeThisQueryBuilder

use of org.elasticsearch.index.query.MoreLikeThisQueryBuilder in project elasticsearch by elastic.

the class MoreLikeThisIT method testSimpleMoreLikeOnLongField.

public void testSimpleMoreLikeOnLongField() throws Exception {
    logger.info("Creating index test");
    assertAcked(prepareCreate("test").addMapping("type1", "some_long", "type=long"));
    logger.info("Running Cluster Health");
    assertThat(ensureGreen(), equalTo(ClusterHealthStatus.GREEN));
    logger.info("Indexing...");
    client().index(indexRequest("test").type("type1").id("1").source(jsonBuilder().startObject().field("some_long", 1367484649580L).endObject())).actionGet();
    client().index(indexRequest("test").type("type2").id("2").source(jsonBuilder().startObject().field("some_long", 0).endObject())).actionGet();
    client().index(indexRequest("test").type("type1").id("3").source(jsonBuilder().startObject().field("some_long", -666).endObject())).actionGet();
    client().admin().indices().refresh(refreshRequest()).actionGet();
    logger.info("Running moreLikeThis");
    SearchResponse response = client().prepareSearch().setQuery(new MoreLikeThisQueryBuilder(null, new Item[] { new Item("test", "type1", "1") }).minTermFreq(1).minDocFreq(1)).get();
    assertHitCount(response, 0L);
}

Example 3 with MoreLikeThisQueryBuilder

use of org.elasticsearch.index.query.MoreLikeThisQueryBuilder in project elasticsearch by elastic.

the class MoreLikeThisIT method testMoreLikeThisMultiValueFields.

public void testMoreLikeThisMultiValueFields() throws Exception {
    logger.info("Creating the index ...");
    assertAcked(prepareCreate("test").addMapping("type1", "text", "type=text,analyzer=keyword").setSettings(SETTING_NUMBER_OF_SHARDS, 1));
    ensureGreen();
    logger.info("Indexing ...");
    String[] values = { "aaaa", "bbbb", "cccc", "dddd", "eeee", "ffff", "gggg", "hhhh", "iiii", "jjjj" };
    List<IndexRequestBuilder> builders = new ArrayList<>(values.length + 1);
    // index one document with all the values
    builders.add(client().prepareIndex("test", "type1", "0").setSource("text", values));
    // index each document with only one of the values
    for (int i = 0; i < values.length; i++) {
        builders.add(client().prepareIndex("test", "type1", String.valueOf(i + 1)).setSource("text", values[i]));
    }
    indexRandom(true, builders);
    int maxIters = randomIntBetween(10, 20);
    for (int i = 0; i < maxIters; i++) {
        int max_query_terms = randomIntBetween(1, values.length);
        logger.info("Running More Like This with max_query_terms = {}", max_query_terms);
        MoreLikeThisQueryBuilder mltQuery = moreLikeThisQuery(new String[] { "text" }, null, new Item[] { new Item(null, null, "0") }).minTermFreq(1).minDocFreq(1).maxQueryTerms(max_query_terms).minimumShouldMatch("0%");
        SearchResponse response = client().prepareSearch("test").setTypes("type1").setQuery(mltQuery).execute().actionGet();
        assertSearchResponse(response);
        assertHitCount(response, max_query_terms);
    }
}

Example 4 with MoreLikeThisQueryBuilder

use of org.elasticsearch.index.query.MoreLikeThisQueryBuilder in project elasticsearch by elastic.

the class MoreLikeThisIT method testMinimumShouldMatch.

public void testMinimumShouldMatch() throws ExecutionException, InterruptedException {
    logger.info("Creating the index ...");
    assertAcked(prepareCreate("test").addMapping("type1", "text", "type=text,analyzer=whitespace").setSettings(SETTING_NUMBER_OF_SHARDS, 1));
    ensureGreen();
    logger.info("Indexing with each doc having one less term ...");
    List<IndexRequestBuilder> builders = new ArrayList<>();
    for (int i = 0; i < 10; i++) {
        String text = "";
        for (int j = 1; j <= 10 - i; j++) {
            text += j + " ";
        }
        builders.add(client().prepareIndex("test", "type1", i + "").setSource("text", text));
    }
    indexRandom(true, builders);
    logger.info("Testing each minimum_should_match from 0% - 100% with 10% increment ...");
    for (int i = 0; i <= 10; i++) {
        String minimumShouldMatch = (10 * i) + "%";
        MoreLikeThisQueryBuilder mltQuery = moreLikeThisQuery(new String[] { "text" }, new String[] { "1 2 3 4 5 6 7 8 9 10" }, null).minTermFreq(1).minDocFreq(1).minimumShouldMatch(minimumShouldMatch);
        logger.info("Testing with minimum_should_match = {}", minimumShouldMatch);
        SearchResponse response = client().prepareSearch("test").setTypes("type1").setQuery(mltQuery).get();
        assertSearchResponse(response);
        if (minimumShouldMatch.equals("0%")) {
            assertHitCount(response, 10);
        } else {
            assertHitCount(response, 11 - i);
        }
    }
}

Example 5 with MoreLikeThisQueryBuilder

use of org.elasticsearch.index.query.MoreLikeThisQueryBuilder in project elasticsearch by elastic.

the class MoreLikeThisIT method testMoreLikeThisIssueRoutingNotSerialized.

// Issue #3039
public void testMoreLikeThisIssueRoutingNotSerialized() throws Exception {
    String mapping = XContentFactory.jsonBuilder().startObject().startObject("bar").startObject("properties").endObject().endObject().endObject().string();
    assertAcked(prepareCreate("foo", 2, Settings.builder().put(SETTING_NUMBER_OF_SHARDS, 2).put(SETTING_NUMBER_OF_REPLICAS, 0)).addMapping("bar", mapping, XContentType.JSON));
    ensureGreen();
    client().prepareIndex("foo", "bar", "1").setSource(jsonBuilder().startObject().startObject("foo").field("bar", "boz").endObject().endObject()).setRouting("4000").execute().actionGet();
    client().admin().indices().prepareRefresh("foo").execute().actionGet();
    SearchResponse response = client().prepareSearch().setQuery(new MoreLikeThisQueryBuilder(null, new Item[] { new Item("foo", "bar", "1").routing("4000") })).get();
    assertNoFailures(response);
    assertThat(response, notNullValue());
}