Java IndexWriterConfig.setInfoStream方法代码示例

import org.apache.lucene.index.IndexWriterConfig; //导入方法依赖的package包/类
private IndexWriterConfig getIndexWriterConfig(boolean create) {
    final IndexWriterConfig iwc = new IndexWriterConfig(engineConfig.getAnalyzer());
    iwc.setCommitOnClose(false); // we by default don't commit on close
    iwc.setOpenMode(create ? IndexWriterConfig.OpenMode.CREATE : IndexWriterConfig.OpenMode.APPEND);
    iwc.setIndexDeletionPolicy(deletionPolicy);
    // with tests.verbose, lucene sets this up: plumb to align with filesystem stream
    boolean verbose = false;
    try {
        verbose = Boolean.parseBoolean(System.getProperty("tests.verbose"));
    } catch (Exception ignore) {
    }
    iwc.setInfoStream(verbose ? InfoStream.getDefault() : new LoggerInfoStream(logger));
    iwc.setMergeScheduler(mergeScheduler);
    MergePolicy mergePolicy = config().getMergePolicy();
    // Give us the opportunity to upgrade old segments while performing
    // background merges
    mergePolicy = new ElasticsearchMergePolicy(mergePolicy);
    iwc.setMergePolicy(mergePolicy);
    iwc.setSimilarity(engineConfig.getSimilarity());
    iwc.setRAMBufferSizeMB(engineConfig.getIndexingBufferSize().getMbFrac());
    iwc.setCodec(engineConfig.getCodec());
    iwc.setUseCompoundFile(true); // always use compound on flush - reduces # of file-handles on refresh
    return iwc;
}
 

import org.apache.lucene.index.IndexWriterConfig; //导入方法依赖的package包/类
public static IndexWriter configureWriter(Config config, PerfRunData runData, OpenMode mode, IndexCommit commit) throws IOException {
  IndexWriterConfig iwc = createWriterConfig(config, runData, mode, commit);
  String infoStreamVal = config.get("writer.info.stream", null);
  if (infoStreamVal != null) {
    if (infoStreamVal.equals("SystemOut")) {
      iwc.setInfoStream(System.out);
    } else if (infoStreamVal.equals("SystemErr")) {
      iwc.setInfoStream(System.err);
    } else {
      File f = new File(infoStreamVal).getAbsoluteFile();
      iwc.setInfoStream(new PrintStream(new BufferedOutputStream(new FileOutputStream(f)), false, Charset.defaultCharset().name()));
    }
  }
  IndexWriter writer = new IndexWriter(runData.getDirectory(), iwc);
  return writer;
}
 

import org.apache.lucene.index.IndexWriterConfig; //导入方法依赖的package包/类
public NodeState(Random random, int nodeID, int numNodes) throws IOException {
  myNodeID = nodeID;
  dir = newFSDirectory(createTempDir("ShardSearchingTestBase"));
  // TODO: set warmer
  MockAnalyzer analyzer = new MockAnalyzer(random());
  analyzer.setMaxTokenLength(TestUtil.nextInt(random(), 1, IndexWriter.MAX_TERM_LENGTH));
  IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, analyzer);
  iwc.setOpenMode(IndexWriterConfig.OpenMode.CREATE);
  if (VERBOSE) {
    iwc.setInfoStream(new PrintStreamInfoStream(System.out));
  }
  writer = new IndexWriter(dir, iwc);
  mgr = new SearcherManager(writer, true, null);
  searchers = new SearcherLifetimeManager();

  // Init w/ 0s... caller above will do initial
  // "broadcast" by calling initSearcher:
  currentNodeVersions = new long[numNodes];
}
 

import org.apache.lucene.index.IndexWriterConfig; //导入方法依赖的package包/类
/** create a new index writer config with random defaults using the specified random */
public static IndexWriterConfig newIndexWriterConfig(Random r, Version v, Analyzer a) {
  IndexWriterConfig c = new IndexWriterConfig(v, a);
  c.setSimilarity(classEnvRule.similarity);
  if (VERBOSE) {
    // Even though TestRuleSetupAndRestoreClassEnv calls
    // InfoStream.setDefault, we do it again here so that
    // the PrintStreamInfoStream.messageID increments so
    // that when there are separate instances of
    // IndexWriter created we see "IW 0", "IW 1", "IW 2",
    // ... instead of just always "IW 0":
    c.setInfoStream(new TestRuleSetupAndRestoreClassEnv.ThreadNameFixingPrintStreamInfoStream(System.out));
  }

  if (r.nextBoolean()) {
    c.setMergeScheduler(new SerialMergeScheduler());
  } else if (rarely(r)) {
    int maxThreadCount = TestUtil.nextInt(r, 1, 4);
    int maxMergeCount = TestUtil.nextInt(r, maxThreadCount, maxThreadCount+4);
    ConcurrentMergeScheduler cms = new ConcurrentMergeScheduler();
    cms.setMaxMergesAndThreads(maxMergeCount, maxThreadCount);
    c.setMergeScheduler(cms);
  }
  if (r.nextBoolean()) {
    if (rarely(r)) {
      // crazy value
      c.setMaxBufferedDocs(TestUtil.nextInt(r, 2, 15));
    } else {
      // reasonable value
      c.setMaxBufferedDocs(TestUtil.nextInt(r, 16, 1000));
    }
  }
  if (r.nextBoolean()) {
    if (rarely(r)) {
      // crazy value
      c.setTermIndexInterval(r.nextBoolean() ? TestUtil.nextInt(r, 1, 31) : TestUtil.nextInt(r, 129, 1000));
    } else {
      // reasonable value
      c.setTermIndexInterval(TestUtil.nextInt(r, 32, 128));
    }
  }
  if (r.nextBoolean()) {
    int maxNumThreadStates = rarely(r) ? TestUtil.nextInt(r, 5, 20) // crazy value
        : TestUtil.nextInt(r, 1, 4); // reasonable value

    c.setMaxThreadStates(maxNumThreadStates);
  }

  c.setMergePolicy(newMergePolicy(r));

  if (rarely(r)) {
    c.setMergedSegmentWarmer(new SimpleMergedSegmentWarmer(c.getInfoStream()));
  }
  c.setUseCompoundFile(r.nextBoolean());
  c.setReaderPooling(r.nextBoolean());
  c.setReaderTermsIndexDivisor(TestUtil.nextInt(r, 1, 4));
  c.setCheckIntegrityAtMerge(r.nextBoolean());
  return c;
}