List of usage examples for org.apache.lucene.search IndexSearcher getQueryCachingPolicy
public QueryCachingPolicy getQueryCachingPolicy()
From source file:org.elasticsearch.index.shard.IndexSearcherWrapper.java
License:Apache License
/** * If there are configured {@link IndexSearcherWrapper} instances, the {@link IndexSearcher} of the provided engine searcher * gets wrapped and a new {@link Engine.Searcher} instances is returned, otherwise the provided {@link Engine.Searcher} is returned. * * This is invoked each time a {@link Engine.Searcher} is requested to do an operation. (for example search) *//*from w ww. j a v a2 s. c o m*/ public final Engine.Searcher wrap(Engine.Searcher engineSearcher) throws IOException { final ElasticsearchDirectoryReader elasticsearchDirectoryReader = ElasticsearchDirectoryReader .getElasticsearchDirectoryReader(engineSearcher.getDirectoryReader()); if (elasticsearchDirectoryReader == null) { throw new IllegalStateException("Can't wrap non elasticsearch directory reader"); } NonClosingReaderWrapper nonClosingReaderWrapper = new NonClosingReaderWrapper( engineSearcher.getDirectoryReader()); DirectoryReader reader = wrap(nonClosingReaderWrapper); if (reader != nonClosingReaderWrapper) { if (reader.getCoreCacheKey() != elasticsearchDirectoryReader.getCoreCacheKey()) { throw new IllegalStateException( "wrapped directory reader doesn't delegate IndexReader#getCoreCacheKey, wrappers must override this method and delegate" + " to the original readers core cache key. Wrapped readers can't be used as cache keys since their are used only per request which would lead to subtle bugs"); } if (ElasticsearchDirectoryReader .getElasticsearchDirectoryReader(reader) != elasticsearchDirectoryReader) { // prevent that somebody wraps with a non-filter reader throw new IllegalStateException( "wrapped directory reader hides actual ElasticsearchDirectoryReader but shouldn't"); } } final IndexSearcher origIndexSearcher = engineSearcher.searcher(); final IndexSearcher innerIndexSearcher = new IndexSearcher(reader); innerIndexSearcher.setQueryCache(origIndexSearcher.getQueryCache()); innerIndexSearcher.setQueryCachingPolicy(origIndexSearcher.getQueryCachingPolicy()); innerIndexSearcher.setSimilarity(origIndexSearcher.getSimilarity(true)); // TODO: Right now IndexSearcher isn't wrapper friendly, when it becomes wrapper friendly we should revise this extension point // For example if IndexSearcher#rewrite() is overwritten than also IndexSearcher#createNormalizedWeight needs to be overwritten // This needs to be fixed before we can allow the IndexSearcher from Engine to be wrapped multiple times final IndexSearcher indexSearcher = wrap(innerIndexSearcher); if (reader == nonClosingReaderWrapper && indexSearcher == innerIndexSearcher) { return engineSearcher; } else { return new Engine.Searcher(engineSearcher.source(), indexSearcher) { @Override public void close() throws ElasticsearchException { try { reader().close(); // we close the reader to make sure wrappers can release resources if needed.... // our NonClosingReaderWrapper makes sure that our reader is not closed } catch (IOException e) { throw new ElasticsearchException("failed to close reader", e); } finally { engineSearcher.close(); } } }; } }
From source file:org.elasticsearch.percolator.PercolatorServiceTests.java
License:Apache License
public void testCount() throws Exception { PercolateContext context = mock(PercolateContext.class); when(context.shardTarget()).thenReturn(new SearchShardTarget("_id", new Index("_index", "_na_"), 0)); when(context.percolatorTypeFilter()).thenReturn(new MatchAllDocsQuery()); when(context.isOnlyCount()).thenReturn(true); IndexShard shard = mock(IndexShard.class); when(shard.shardId()).thenReturn(new ShardId("_index", "_na_", 0)); when(context.indexShard()).thenReturn(shard); PercolatorQueriesRegistry registry = createRegistry(); addPercolatorQuery("1", new TermQuery(new Term("field", "brown")), indexWriter, registry); addPercolatorQuery("2", new TermQuery(new Term("field", "fox")), indexWriter, registry); addPercolatorQuery("3", new TermQuery(new Term("field", "monkey")), indexWriter, registry); indexWriter.close();/* w w w .ja v a2s .c om*/ directoryReader = DirectoryReader.open(directory); IndexSearcher shardSearcher = newSearcher(directoryReader); when(context.searcher()).thenReturn(new ContextIndexSearcher(new Engine.Searcher("test", shardSearcher), shardSearcher.getQueryCache(), shardSearcher.getQueryCachingPolicy())); MemoryIndex memoryIndex = new MemoryIndex(); memoryIndex.addField("field", "the quick brown fox jumps over the lazy dog", new WhitespaceAnalyzer()); IndexSearcher percolateSearcher = memoryIndex.createSearcher(); when(context.docSearcher()).thenReturn(percolateSearcher); PercolateShardResponse response = PercolatorService.doPercolate(context, registry, null, null, null); assertThat(response.topDocs().totalHits, equalTo(2)); }
From source file:org.elasticsearch.percolator.PercolatorServiceTests.java
License:Apache License
public void testTopMatching() throws Exception { PercolateContext context = mock(PercolateContext.class); when(context.shardTarget()).thenReturn(new SearchShardTarget("_id", new Index("_index", "_na_"), 0)); when(context.percolatorTypeFilter()).thenReturn(new MatchAllDocsQuery()); when(context.size()).thenReturn(10); IndexShard shard = mock(IndexShard.class); when(shard.shardId()).thenReturn(new ShardId("_index", "_na_", 0)); when(context.indexShard()).thenReturn(shard); PercolatorQueriesRegistry registry = createRegistry(); addPercolatorQuery("1", new TermQuery(new Term("field", "brown")), indexWriter, registry); addPercolatorQuery("2", new TermQuery(new Term("field", "monkey")), indexWriter, registry); addPercolatorQuery("3", new TermQuery(new Term("field", "fox")), indexWriter, registry); indexWriter.close();//from w w w .j a va2s . c o m directoryReader = DirectoryReader.open(directory); IndexSearcher shardSearcher = newSearcher(directoryReader); when(context.searcher()).thenReturn(new ContextIndexSearcher(new Engine.Searcher("test", shardSearcher), shardSearcher.getQueryCache(), shardSearcher.getQueryCachingPolicy())); MemoryIndex memoryIndex = new MemoryIndex(); memoryIndex.addField("field", "the quick brown fox jumps over the lazy dog", new WhitespaceAnalyzer()); IndexSearcher percolateSearcher = memoryIndex.createSearcher(); when(context.docSearcher()).thenReturn(percolateSearcher); PercolateShardResponse response = PercolatorService.doPercolate(context, registry, null, null, null); TopDocs topDocs = response.topDocs(); assertThat(topDocs.totalHits, equalTo(2)); assertThat(topDocs.scoreDocs.length, equalTo(2)); assertThat(topDocs.scoreDocs[0].doc, equalTo(0)); assertThat(topDocs.scoreDocs[1].doc, equalTo(2)); }
From source file:org.elasticsearch.xpack.core.security.authz.accesscontrol.SecurityIndexSearcherWrapper.java
License:Open Source License
@Override protected IndexSearcher wrap(IndexSearcher searcher) throws EngineException { if (licenseState.isSecurityEnabled() == false || licenseState.isDocumentAndFieldLevelSecurityAllowed() == false) { return searcher; }//from w ww . j av a 2 s . c o m final DirectoryReader directoryReader = (DirectoryReader) searcher.getIndexReader(); if (directoryReader instanceof DocumentSubsetDirectoryReader) { // The reasons why we return a custom searcher: // 1) in the case the role query is sparse then large part of the main query can be skipped // 2) If the role query doesn't match with any docs in a segment, that a segment can be skipped IndexSearcher indexSearcher = new IndexSearcherWrapper((DocumentSubsetDirectoryReader) directoryReader); indexSearcher.setQueryCache(indexSearcher.getQueryCache()); indexSearcher.setQueryCachingPolicy(indexSearcher.getQueryCachingPolicy()); indexSearcher.setSimilarity(indexSearcher.getSimilarity(true)); return indexSearcher; } return searcher; }