private SearchRequestBuilder standardSearchRequest(
String query, Set<String> indices, int limit, int offset, TimeRange range, Sorting sort)
throws IndexHelper.InvalidRangeFormatException {
if (query == null || query.trim().isEmpty()) {
query = "*";
}
SearchRequestBuilder srb = c.prepareSearch();
srb.setIndices(indices.toArray(new String[] {}));
if (query.trim().equals("*")) {
srb.setQuery(matchAllQuery());
} else {
QueryStringQueryBuilder qs = queryString(query);
qs.allowLeadingWildcard(server.getConfiguration().isAllowLeadingWildcardSearches());
srb.setQuery(qs);
}
srb.setFrom(offset);
if (limit > 0) {
srb.setSize(limit);
}
if (range != null) {
srb.setFilter(IndexHelper.getTimestampRangeFilter(range));
}
if (sort != null) {
srb.addSort(sort.getField(), sort.asElastic());
}
return srb;
}
public HistogramResult histogram(
String query, Indexer.DateHistogramInterval interval, String filter, TimeRange range)
throws IndexHelper.InvalidRangeFormatException {
DateHistogramFacetBuilder fb =
FacetBuilders.dateHistogramFacet("histogram")
.field("timestamp")
.interval(interval.toString().toLowerCase());
fb.facetFilter(standardFilters(range, filter));
QueryStringQueryBuilder qs = queryString(query);
qs.allowLeadingWildcard(server.getConfiguration().isAllowLeadingWildcardSearches());
SearchRequestBuilder srb = c.prepareSearch();
srb.setIndices(IndexHelper.determineAffectedIndices(server, range).toArray(new String[] {}));
srb.setQuery(qs);
srb.addFacet(fb);
final SearchRequest request = srb.request();
SearchResponse r = c.search(request).actionGet();
return new DateHistogramResult(
(DateHistogramFacet) r.getFacets().facet("histogram"),
query,
request.source(),
interval,
r.getTook());
}
public static SearchRequest randomSearch(Client client, String[] indices) {
final SearchRequestBuilder builder = new SearchRequestBuilder(client);
builder.setIndices(indices);
builder.setTypes(INDEX_TYPE);
builder.setQuery(randomFrom(TestQueryType.values()).getQuery());
return builder.request();
}
/** Set indices and types to the search request. */
private void setIndicesAndTypes() {
request.setIndices(query.getIndexArr());
String[] typeArr = query.getTypeArr();
if (typeArr != null) {
request.setTypes(typeArr);
}
}
private SearchHit oneOfIndex(String index, QueryBuilder q, SortOrder sort) {
SearchRequestBuilder srb = c.prepareSearch();
srb.setIndices(index);
srb.setQuery(q);
srb.setSize(1);
srb.addSort("timestamp", sort);
SearchResponse r = c.search(srb.request()).actionGet();
if (r.getHits() != null && r.getHits().totalHits() > 0) {
return r.getHits().getAt(0);
} else {
return null;
}
}
public List<String> autocomplete(String prefix, int limit) {
SearchRequestBuilder builder = new SearchRequestBuilder(factory.client());
builder.setIndices(Constants.INDEX).setTypes(Constants.TYPE);
builder.setSearchType(SearchType.DEFAULT);
builder.setFrom(0).setSize(limit).setExplain(IS_EXPLAIN);
QueryBuilder queryBuilder = QueryBuilders.matchPhraseQuery("title", prefix);
builder.setQuery(queryBuilder.toString());
logger.info("Search qeury");
logger.info(builder.toString());
SearchResponse sr = builder.execute().actionGet();
logger.info("Search response");
logger.info(sr.toString());
Iterator<SearchHit> it = sr.getHits().iterator();
while (it.hasNext()) {
SearchHit hit = it.next();
hit.getSource();
}
return Arrays.asList("a", "b", "c");
}
public Iterator<Blog> search(String keyword, int start, int size) {
SearchRequestBuilder builder = new SearchRequestBuilder(factory.client());
builder.setIndices(Constants.INDEX).setTypes(Constants.TYPE);
builder.setSearchType(SearchType.DEFAULT);
builder.setFrom(start).setSize(size).setExplain(IS_EXPLAIN);
BoolQueryBuilder queryBuilder = QueryBuilders.boolQuery().minimumNumberShouldMatch(1);
queryBuilder.should(QueryBuilders.matchPhraseQuery("title", keyword));
queryBuilder.should(QueryBuilders.matchPhraseQuery("content", keyword));
queryBuilder.should(QueryBuilders.matchPhraseQuery("createPlace", keyword));
builder.setQuery(queryBuilder.toString());
logger.info("Search qeury");
logger.info(builder.toString());
SearchResponse sr = builder.execute().actionGet();
logger.info("Search response");
logger.info(sr.toString());
try {
return new IteratorImpl<Blog>(
sr.getHits().iterator(), Blog.class.getConstructor(SearchHit.class));
} catch (NoSuchMethodException | SecurityException e) {
throw new RuntimeException(e);
}
}
/**
* Get all active rivers
*
* @return
*/
public List<T> get() {
if (logger.isDebugEnabled()) logger.debug("get()");
List<T> rivers = new ArrayList<T>();
SearchRequestBuilder srb = new SearchRequestBuilder(client);
try {
srb.setIndices(SMDSearchProperties.ES_META_INDEX);
srb.setTypes(SMDSearchProperties.ES_META_RIVERS);
SearchResponse response = srb.execute().actionGet();
if (response.getHits().totalHits() > 0) {
for (int i = 0; i < response.getHits().hits().length; i++) {
T river = buildInstance();
SearchHit hit = response.getHits().hits()[i];
// We only manage rivers for type getHelper().type()
river = getHelper().toRiver(river, hit.sourceAsMap());
if (river.getType().equals(getHelper().type())) {
// For each river, we check if the river is started or not
river.setStart(riverService.checkState(river));
rivers.add(river);
}
}
}
} catch (IndexMissingException e) {
// That's a common use case. We started with an empty index
}
if (logger.isDebugEnabled()) logger.debug("/get()={}", rivers);
return rivers;
}