Java Collector.setScorer方法代碼示例

import org.apache.lucene.search.Collector; //導入方法依賴的package包/類
@Override
public boolean score(Collector collector, int max) throws IOException {
  FakeScorer fakeScorer = new FakeScorer();
  collector.setScorer(fakeScorer);
  if (doc == -1) {
    doc = nextDocOutOfOrder();
  }
  while(doc < max) {
    fakeScorer.doc = doc;
    fakeScorer.score = scores[ords[scoreUpto]];
    collector.collect(doc);
    doc = nextDocOutOfOrder();
  }

  return doc != DocsEnum.NO_MORE_DOCS;
}
 

import org.apache.lucene.search.Collector; //導入方法依賴的package包/類
@Test
public void testNullCollectors() throws Exception {
  // Tests that the collector rejects all null collectors.
  try {
    MultiCollector.wrap(null, null);
    fail("only null collectors should not be supported");
  } catch (IllegalArgumentException e) {
    // expected
  }

  // Tests that the collector handles some null collectors well. If it
  // doesn't, an NPE would be thrown.
  Collector c = MultiCollector.wrap(new DummyCollector(), null, new DummyCollector());
  assertTrue(c instanceof MultiCollector);
  assertTrue(c.acceptsDocsOutOfOrder());
  c.collect(1);
  c.setNextReader(null);
  c.setScorer(null);
}
 

import org.apache.lucene.search.Collector; //導入方法依賴的package包/類
@Test
public void testCollector() throws Exception {
  // Tests that the collector delegates calls to input collectors properly.

  // Tests that the collector handles some null collectors well. If it
  // doesn't, an NPE would be thrown.
  DummyCollector[] dcs = new DummyCollector[] { new DummyCollector(), new DummyCollector() };
  Collector c = MultiCollector.wrap(dcs);
  assertTrue(c.acceptsDocsOutOfOrder());
  c.collect(1);
  c.setNextReader(null);
  c.setScorer(null);

  for (DummyCollector dc : dcs) {
    assertTrue(dc.acceptsDocsOutOfOrderCalled);
    assertTrue(dc.collectCalled);
    assertTrue(dc.setNextReaderCalled);
    assertTrue(dc.setScorerCalled);
  }

}
 

import org.apache.lucene.search.Collector; //導入方法依賴的package包/類
protected Collector getSecureCollector(final Collector collector) {
  return new Collector() {

    @Override
    public void setScorer(Scorer scorer) throws IOException {
      collector.setScorer(scorer);
    }

    @Override
    public void setNextReader(AtomicReaderContext context) throws IOException {
      Object key = context.reader().getCoreCacheKey();
      AtomicReaderContext atomicReaderContext = _leaveMap.get(key);
      collector.setNextReader(atomicReaderContext);
    }

    @Override
    public void collect(int doc) throws IOException {
      collector.collect(doc);
    }

    @Override
    public boolean acceptsDocsOutOfOrder() {
      return collector.acceptsDocsOutOfOrder();
    }
  };
}
 

import org.apache.lucene.search.Collector; //導入方法依賴的package包/類
/**
 * Scores and collects all matching documents.
 * 
 * @param collector
 *            The collector to which all matching documents are passed
 *            through.
 */
@Override
public void score(Collector collector) throws IOException {
	collector.setScorer(this);
	while ((doc = countingSumScorer.nextDoc()) != NO_MORE_DOCS) {
		collector.collect(doc);
	}
}
 

import org.apache.lucene.search.Collector; //導入方法依賴的package包/類
@Override
public void score(Collector collector) throws IOException {
  collector.setScorer(this);
  for (int doc = nextDocOutOfOrder(); doc != NO_MORE_DOCS; doc = nextDocOutOfOrder()) {
    collector.collect(doc);
  }
}
 

import org.apache.lucene.search.Collector; //導入方法依賴的package包/類
@Override
public void setScorer(Scorer s) throws IOException {
  for (Collector c : collectors) {
    c.setScorer(s);
  }
}
 

import org.apache.lucene.search.Collector; //導入方法依賴的package包/類
public void setScorer(Scorer scorer) throws IOException {
  for (Collector c : collectors) {
    c.setScorer(scorer);
  }
}