Example usage for org.apache.lucene.search QueryCachingPolicy QueryCachingPolicy

Introduction

In this page you can find the example usage for org.apache.lucene.search QueryCachingPolicy QueryCachingPolicy.

Prototype

QueryCachingPolicy

Source Link

Usage

From source file:org.elasticsearch.index.shard.ElasticsearchQueryCachingPolicyTests.java

License:Apache License

public void testDoesNotPutTermQueriesIntoTheHistory() {
    boolean[] used = new boolean[1];
    QueryCachingPolicy policy = new QueryCachingPolicy() {
        @Override/* w w  w . ja v a2  s . c o m*/
        public boolean shouldCache(Query query) throws IOException {
            throw new UnsupportedOperationException();
        }

        @Override
        public void onUse(Query query) {
            used[0] = true;
        }
    };
    policy = new ElasticsearchQueryCachingPolicy(policy);
    policy.onUse(new TermQuery(new Term("foo", "bar")));
    assertFalse(used[0]);
    policy.onUse(new PhraseQuery("foo", "bar", "baz"));
    assertTrue(used[0]);
}

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From source file:org.elasticsearch.search.aggregations.AggregatorTestCase.java

License:Apache License

protected SearchContext createSearchContext(IndexSearcher indexSearcher, IndexSettings indexSettings) {
    Engine.Searcher searcher = new Engine.Searcher("aggregator_test", indexSearcher);
    QueryCache queryCache = new DisabledQueryCache(indexSettings);
    QueryCachingPolicy queryCachingPolicy = new QueryCachingPolicy() {
        @Override//from  w  w w.  java 2 s.c  o  m
        public void onUse(Query query) {
        }

        @Override
        public boolean shouldCache(Query query) throws IOException {
            // never cache a query
            return false;
        }
    };
    ContextIndexSearcher contextIndexSearcher = new ContextIndexSearcher(searcher, queryCache,
            queryCachingPolicy);

    SearchContext searchContext = mock(SearchContext.class);
    when(searchContext.numberOfShards()).thenReturn(1);
    when(searchContext.searcher()).thenReturn(contextIndexSearcher);
    when(searchContext.fetchPhase()).thenReturn(
            new FetchPhase(Arrays.asList(new FetchSourceSubPhase(), new DocValueFieldsFetchSubPhase())));
    doAnswer(invocation -> {
        /* Store the releasables so we can release them at the end of the test case. This is important because aggregations don't
         * close their sub-aggregations. This is fairly similar to what the production code does. */
        releasables.add((Releasable) invocation.getArguments()[0]);
        return null;
    }).when(searchContext).addReleasable(anyObject(), anyObject());
    return searchContext;
}

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