Examples of ILuceneClient

net.sf.katta.lib.lucene.ILuceneClient
Client for searching document indices deployed on a katta cluster.
You provide a {@link Query} and the name of the deployed indices, and getback {@link Hits} which contains multiple {@link Hit} objects as the results.
See {@link #search(Query,String[],int)}.
The details of a hit-document can be retrieved through the {@link #getDetails(Hit,String[])} method. @see Hit @see Hits @see Query @see Sort

Examples of net.sf.katta.lib.lucene.ILuceneClient

  }


  @Test
  public void testSearch() throws Exception {
    deploy3Indices();
    ILuceneClient client = new LuceneClient(_miniCluster.getZkConfiguration());
    final Query query = new QueryParser(Version.LUCENE_30, "", new KeywordAnalyzer()).parse("foo: bar");
    final Hits hits = client.search(query, new String[] { INDEX3, INDEX2 });
    assertNotNull(hits);
    for (final Hit hit : hits.getHits()) {
      writeToLog(hit);
    }
    assertEquals(8, hits.size());
    assertEquals(8, hits.getHits().size());
    client.close();
  }

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Examples of net.sf.katta.lib.lucene.ILuceneClient

    IndexState indexState = deployClient.addIndex(indexName, sortIndex1.getParentFile().getAbsolutePath(), 1)
            .joinDeployment();
    assertEquals(IndexState.DEPLOYED, indexState);


    // query and compare results
    ILuceneClient client = new LuceneClient(_miniCluster.getZkConfiguration());
    Sort sort = new Sort(new SortField[] { new SortField("timesort", SortField.LONG) });


    // query both documents
    Query query = new QueryParser(Version.LUCENE_30, "", new KeywordAnalyzer()).parse("text:ab*");
    Hits hits = client.search(query, new String[] { indexName }, 20, sort);
    assertEquals(2, hits.size());


    // query only one document
    query = new QueryParser(Version.LUCENE_30, "", new KeywordAnalyzer()).parse("text:abc2");
    hits = client.search(query, new String[] { indexName }, 20, sort);
    assertEquals(1, hits.size());


    // query only one document on one node
    _miniCluster.shutdownNode(0);
    TestUtil.waitUntilIndexBalanced(_protocol, indexName);
    query = new QueryParser(Version.LUCENE_30, "", new KeywordAnalyzer()).parse("text:abc2");
    hits = client.search(query, new String[] { indexName }, 20, sort);
    assertEquals(1, hits.size());
    client.close();
  }

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Examples of net.sf.katta.lib.lucene.ILuceneClient

    IndexState indexState = deployClient.addIndex(sortIndex.getName(), sortIndex.getParentFile().getAbsolutePath(), 1)
            .joinDeployment();
    assertEquals(IndexState.DEPLOYED, indexState);


    // query and compare results
    ILuceneClient client = new LuceneClient(_miniCluster.getZkConfiguration());
    final Query query = new QueryParser(Version.LUCENE_30, "", new KeywordAnalyzer()).parse(textFieldName + ": "
            + queryTerm);
    Sort sort = new Sort(new SortField[] { new SortField("sortField", SortField.INT) });
    final Hits hits = client.search(query, new String[] { sortIndex.getName() }, 20, sort);
    assertNotNull(hits);
    List<Hit> hitsList = hits.getHits();
    for (final Hit hit : hitsList) {
      writeToLog(hit);
    }
    assertEquals(9, hits.size());
    assertEquals(9, hitsList.size());
    assertEquals(1, hitsList.get(0).getSortFields().length);
    for (int i = 0; i < hitsList.size() - 1; i++) {
      int compareTo = hitsList.get(i).getSortFields()[0].compareTo(hitsList.get(i + 1).getSortFields()[0]);
      assertTrue("results not after field", compareTo == 0 || compareTo == -1);
    }
    client.close();
  }

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Examples of net.sf.katta.lib.lucene.ILuceneClient

  }


  @Test
  public void testSearchLimit() throws Exception {
    deploy3Indices();
    ILuceneClient client = new LuceneClient(_miniCluster.getZkConfiguration());
    final Query query = new QueryParser(Version.LUCENE_30, "", new KeywordAnalyzer()).parse("foo: bar");
    final Hits hits = client.search(query, new String[] { INDEX3, INDEX2 }, 1);
    assertNotNull(hits);
    for (final Hit hit : hits.getHits()) {
      writeToLog(hit);
    }
    assertEquals(8, hits.size());
    assertEquals(1, hits.getHits().size());
    for (final Hit hit : hits.getHits()) {
      LOG.info(hit.getNode() + " -- " + hit.getScore() + " -- " + hit.getDocId());
    }
    client.close();
  }

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Examples of net.sf.katta.lib.lucene.ILuceneClient


  @Test
  public void testKatta20SearchLimitMaxNumberOfHits() throws Exception {
    deployTestIndices(1, getNodeCount());
    final Query query = new QueryParser(Version.LUCENE_30, "", new KeywordAnalyzer()).parse("foo: bar");
    ILuceneClient client = new LuceneClient(_miniCluster.getZkConfiguration());
    final Hits expectedHits = client.search(query, new String[] { INDEX_NAME }, 4);
    assertNotNull(expectedHits);
    LOG.info("Expected hits:");
    for (final Hit hit : expectedHits.getHits()) {
      writeToLog(hit);
    }
    assertEquals(4, expectedHits.getHits().size());


    for (int i = 0; i < 100; i++) {
      // Now we redo the search, but limit the max number of hits. We expect the
      // same ordering of hits.
      for (int maxHits = 1; maxHits < expectedHits.size() + 1; maxHits++) {
        final Hits hits = client.search(query, new String[] { INDEX_NAME }, maxHits);
        assertNotNull(hits);
        assertEquals(maxHits, hits.getHits().size());
        for (int j = 0; j < hits.getHits().size(); j++) {
          // writeToLog("expected: ", expectedHits.getHits().get(j));
          // writeToLog("actual : ", hits.getHits().get(j));
          assertEquals(expectedHits.getHits().get(j).getScore(), hits.getHits().get(j).getScore(), 0.0);
        }
      }
    }
    client.close();
  }

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Examples of net.sf.katta.lib.lucene.ILuceneClient

  }


  @Test
  public void testSearchSimiliarity() throws Exception {
    deploy3Indices();
    ILuceneClient client = new LuceneClient(_miniCluster.getZkConfiguration());
    final Query query = new QueryParser(Version.LUCENE_30, "", new KeywordAnalyzer()).parse("foo: bar");
    final Hits hits = client.search(query, new String[] { INDEX2 });
    assertNotNull(hits);
    assertEquals(4, hits.getHits().size());
    for (final Hit hit : hits.getHits()) {
      LOG.info(hit.getNode() + " -- " + hit.getScore() + " -- " + hit.getDocId());
    }
    client.close();
  }

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Examples of net.sf.katta.lib.lucene.ILuceneClient

  }


  @Test
  public void testNonExistentShard() throws Exception {
    final Query query = new QueryParser(Version.LUCENE_30, "", new KeywordAnalyzer()).parse("foo: bar");
    ILuceneClient client = new LuceneClient(_miniCluster.getZkConfiguration());
    try {
      client.search(query, new String[] { "doesNotExist" });
      fail("Should have failed.");
    } catch (KattaException e) {
      assertEquals("Index [pattern(s)] '[doesNotExist]' do not match to any deployed index: []", e.getMessage());
    }
    client.close();
  }

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Examples of net.sf.katta.lib.lucene.ILuceneClient

  }


  @Test
  public void testIndexPattern() throws Exception {
    deploy3Indices();
    ILuceneClient client = new LuceneClient(_miniCluster.getZkConfiguration());
    final Query query = new QueryParser(Version.LUCENE_30, "", new KeywordAnalyzer()).parse("foo: bar");
    final Hits hits = client.search(query, new String[] { "index[2-3]+" });
    assertNotNull(hits);
    for (final Hit hit : hits.getHits()) {
      writeToLog(hit);
    }
    assertEquals(8, hits.size());
    assertEquals(8, hits.getHits().size());
    client.close();
  }

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