Java SolrCore類代碼示例

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
public SuggestionService(SolrCore solrCore, NamedList args) {

        NamedList l = new NamedList();

        //set spellcheck component if there is one
        if(((ArrayList)args.get("first-components")).contains("spellcheck")) {
            List component = new ArrayList<String>();
            component.add("spellcheck");
            l.add("first-components",component);
            spellcheck_enabled = true;
        }

        if(args.get("defaults") != null && ((NamedList)args.get("defaults")).get(SuggestionRequestParams.SUGGESTION_INTERNAL_LIMIT) != null) {
            internalFacetLimit = (String)((NamedList)args.get("defaults")).get(SuggestionRequestParams.SUGGESTION_INTERNAL_LIMIT);
        }

        this.solrCore = solrCore;
        this.searchHandler = new SearchHandler();
        this.searchHandler.init(l);
        this.searchHandler.inform(solrCore);
    }
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
/**
 * analyzes string like the given field
 * @param field the name of the field
 * @param value the string to analyze
 * @return the analyzed string
 */
public static String analyzeString(SolrCore core, String field, String value) {
    try {
        StringBuilder b = new StringBuilder();
        try (TokenStream ts = core.getLatestSchema().getFieldType(field).getQueryAnalyzer().tokenStream(field, new StringReader(value))) {
            ts.reset();
            while (ts.incrementToken()) {
                b.append(" ");
                CharTermAttribute attr = ts.getAttribute(CharTermAttribute.class);
                b.append(attr);
            }
        }

        return b.toString().trim();
    } catch (IOException e) {
        //FIXME: This error should be properly logged!
        e.printStackTrace();
        return value;
    }
}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
@Test
public void testProperties() throws Exception{
  SolrCore core = h.getCore();
  IndexSchema schema = core.getLatestSchema();
  assertFalse(schema.getField("id").multiValued());
  
  // Test TrieDate fields. The following asserts are expecting a field type defined as:
  String expectedDefinition = "<fieldtype name=\"tdatedv\" class=\"solr.TrieDateField\" " +
      "precisionStep=\"6\" docValues=\"true\" multiValued=\"true\"/>";
  FieldType tdatedv = schema.getFieldType("foo_tdtdv");
  assertTrue("Expecting a field type defined as " + expectedDefinition, 
      tdatedv instanceof TrieDateField);
  assertTrue("Expecting a field type defined as " + expectedDefinition,
      tdatedv.hasProperty(FieldProperties.DOC_VALUES));
  assertTrue("Expecting a field type defined as " + expectedDefinition,
      tdatedv.isMultiValued());
  assertEquals("Expecting a field type defined as " + expectedDefinition,
      6, ((TrieDateField)tdatedv).getPrecisionStep());
}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
@Test
public void testSourceGlobMatchesNoDynamicOrExplicitField()
{
  // SOLR-4650: copyField source globs should not have to match an explicit or dynamic field 
  SolrCore core = h.getCore();
  IndexSchema schema = core.getLatestSchema();

  assertNull("'testing123_*' should not be (or match) a dynamic or explicit field", schema.getFieldOrNull("testing123_*"));

  assertTrue("schema should contain dynamic field '*_s'", schema.getDynamicPattern("*_s").equals("*_s"));

  assertU(adoc("id", "A5", "sku1", "10-1839ACX-93", "testing123_s", "AAM46"));
  assertU(commit());

  Map<String,String> args = new HashMap<>();
  args.put( CommonParams.Q, "text:AAM46" );
  args.put( "indent", "true" );
  SolrQueryRequest req = new LocalSolrQueryRequest( core, new MapSolrParams( args) );
  assertQ("sku2 copied to text", req
      ,"//*[@numFound='1']"
      ,"//result/doc[1]/str[@name='id'][.='A5']"
  );
}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
@Override
public void setUp() throws Exception {
  saveProp = System.getProperty("solr.directoryFactory");
  System.setProperty("solr.directoryFactory", "solr.StandardDirectoryFactory");
  super.setUp();
  File dataDir1 = createTempDir();
  // setup datadirs
  System.setProperty( "solr.core0.data.dir", dataDir1.getCanonicalPath() );

  dataDir2 = createTempDir();

  System.setProperty( "solr.core1.data.dir", this.dataDir2.getCanonicalPath() );

  setupCoreContainer();
  SolrCore.log.info("CORES=" + cores + " : " + cores.getCoreNames());

}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
public void test404Locally() throws Exception {

    // we need to test that executing the handler directly does not 
    // throw an exception, just sets the exception on the response.
    initCore("solrconfig.xml", "schema.xml");
    try {
      // bypass TestHarness since it will throw any exception found in the
      // response.
      SolrCore core = h.getCore();
      SolrQueryResponse rsp = new SolrQueryResponse();
      core.execute(core.getRequestHandler("/admin/file"),
                   req("file", "does-not-exist-404.txt"), rsp);
      assertNotNull("no exception in response", rsp.getException());
      assertTrue("wrong type of exception: " + rsp.getException().getClass(),
                 rsp.getException() instanceof SolrException);
      assertEquals(404, ((SolrException)rsp.getException()).code());

    } catch (Exception e) {
      assertNull("Should not have caught an exception", e);
    }
  }
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
@Override
public Dictionary create(SolrCore core, SolrIndexSearcher searcher) {
  if(params == null) {
    // should not happen; implies setParams was not called
    throw new IllegalStateException("Value of params not set");
  }
  String field = (String)params.get(SolrSpellChecker.FIELD);
  
  if (field == null) {
    throw new IllegalArgumentException(SolrSpellChecker.FIELD + " is a mandatory parameter");
  }
  
  float threshold = params.get(THRESHOLD_TOKEN_FREQUENCY) == null ? 0.0f
      : (Float)params.get(THRESHOLD_TOKEN_FREQUENCY);
  
  return new HighFrequencyDictionary(searcher.getIndexReader(), field, threshold);
}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
private boolean syncWithReplicas(ZkController zkController, SolrCore core,
    ZkNodeProps props, String collection, String shardId, boolean peerSyncOnlyWithActive) {
  List<ZkCoreNodeProps> nodes = zkController.getZkStateReader()
      .getReplicaProps(collection, shardId,core.getCoreDescriptor().getCloudDescriptor().getCoreNodeName());
  
  if (nodes == null) {
    // I have no replicas
    return true;
  }
  
  List<String> syncWith = new ArrayList<>();
  for (ZkCoreNodeProps node : nodes) {
    syncWith.add(node.getCoreUrl());
  }
  
  // if we can't reach a replica for sync, we still consider the overall sync a success
  // TODO: as an assurance, we should still try and tell the sync nodes that we couldn't reach
  // to recover once more?
  PeerSync peerSync = new PeerSync(core, syncWith, core.getUpdateHandler().getUpdateLog().numRecordsToKeep, true, true, peerSyncOnlyWithActive);
  return peerSync.sync();
}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
/**
 * Use the other constructor using a CoreContainer and a name.
 * @deprecated use {@link #EmbeddedSolrServer(CoreContainer, String)} instead.
 */
@Deprecated
public EmbeddedSolrServer( SolrCore core )
{
  if ( core == null ) {
    throw new NullPointerException("SolrCore instance required");
  }
  CoreDescriptor dcore = core.getCoreDescriptor();
  if (dcore == null)
    throw new NullPointerException("CoreDescriptor required");
  
  CoreContainer cores = dcore.getCoreContainer();
  if (cores == null)
    throw new NullPointerException("CoreContainer required");
  
  coreName = dcore.getName();
  coreContainer = cores;
  _parser = new SolrRequestParsers( null );
}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
/**
 * Clears the logs on the file system. Only call before init.
 * 
 * @param core the SolrCore
 * @param ulogPluginInfo the init info for the UpdateHandler
 */
@Override
public void clearLog(SolrCore core, PluginInfo ulogPluginInfo) {
  if (ulogPluginInfo == null) return;
  Path tlogDir = new Path(getTlogDir(core, ulogPluginInfo));
  try {
    if (fs != null && fs.exists(tlogDir)) {
      String[] files = getLogList(tlogDir);
      for (String file : files) {
        Path f = new Path(tlogDir, file);
        boolean s = fs.delete(f, false);
        if (!s) {
          log.error("Could not remove tlog file:" + f);
        }
      }
    }
  } catch (IOException e) {
    throw new RuntimeException(e);
  }
}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
@Test
public void testMultiMap() {
  SolrCore core = h.getCore();
  UpdateRequestProcessorChain chained = core.getUpdateProcessingChain("uima-multi-map");
  assertNotNull(chained);
  UIMAUpdateRequestProcessorFactory factory = (UIMAUpdateRequestProcessorFactory) chained
          .getFactories()[0];
  assertNotNull(factory);
  UpdateRequestProcessor processor = factory.getInstance(req(), null, null);
  assertTrue(processor instanceof UIMAUpdateRequestProcessor);
  SolrUIMAConfiguration conf = ((UIMAUpdateRequestProcessor)processor).solrUIMAConfiguration;
  Map<String, Map<String, MapField>> map = conf.getTypesFeaturesFieldsMapping();
  Map<String, MapField> subMap = map.get("a-type-which-can-have-multiple-features");
  assertEquals(2, subMap.size());
  assertEquals("1", subMap.get("A").getFieldName(null));
  assertEquals("2", subMap.get("B").getFieldName(null));
}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
protected void processCommit(final String chain) throws IOException {
  SolrCore core = h.getCore();
  UpdateRequestProcessorChain pc = core.getUpdateProcessingChain(chain);
  assertNotNull("No Chain named: " + chain, pc);

  SolrQueryResponse rsp = new SolrQueryResponse();

  SolrQueryRequest req = new LocalSolrQueryRequest(core, new ModifiableSolrParams());

  CommitUpdateCommand cmd = new CommitUpdateCommand(req,false);
  UpdateRequestProcessor processor = pc.createProcessor(req, rsp);
  try {
    processor.processCommit(cmd);
  } finally {
    req.close();
  }
}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
@Test
public void testWithPolyFieldsAndFieldBoost() {
  SolrCore core = h.getCore();
  IndexSchema schema = core.getLatestSchema();
  assertFalse(schema.getField("store").omitNorms());
  assertTrue(schema.getField("store_0_coordinate").omitNorms());
  assertTrue(schema.getField("store_1_coordinate").omitNorms());
  assertFalse(schema.getField("amount").omitNorms());
  assertTrue(schema.getField("amount" + FieldType.POLY_FIELD_SEPARATOR + "_currency").omitNorms());
  assertTrue(schema.getField("amount" + FieldType.POLY_FIELD_SEPARATOR + "_amount_raw").omitNorms());
  
  SolrInputDocument doc = new SolrInputDocument();
  doc.addField( "store", "40.7143,-74.006", 3.0f );
  doc.addField( "amount", "10.5", 3.0f );
  Document out = DocumentBuilder.toDocument( doc, schema );
  assertNotNull( out.get( "store" ) );
  assertNotNull( out.get( "amount" ) );
  assertNotNull(out.getField("store_0_coordinate"));
  //NOTE: As the subtypes have omitNorm=true, they must have boost=1F, otherwise this is going to fail when adding the doc to Lucene.
  assertTrue(1f == out.getField("store_0_coordinate").boost());
  assertTrue(1f == out.getField("store_1_coordinate").boost());
  assertTrue(1f == out.getField("amount" + FieldType.POLY_FIELD_SEPARATOR + "_currency").boost());
  assertTrue(1f == out.getField("amount" + FieldType.POLY_FIELD_SEPARATOR + "_amount_raw").boost());
}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
private void handleRequestBufferUpdatesAction(SolrQueryRequest req, SolrQueryResponse rsp) {
  SolrParams params = req.getParams();
  String cname = params.get(CoreAdminParams.NAME, "");
  log.info("Starting to buffer updates on core:" + cname);

  try (SolrCore core = coreContainer.getCore(cname)) {
    if (core == null)
      throw new SolrException(ErrorCode.BAD_REQUEST, "Core [" + cname + "] does not exist");
    UpdateLog updateLog = core.getUpdateHandler().getUpdateLog();
    if (updateLog.getState() != UpdateLog.State.ACTIVE)  {
      throw new SolrException(ErrorCode.SERVER_ERROR, "Core " + cname + " not in active state");
    }
    updateLog.bufferUpdates();
    rsp.add("core", cname);
    rsp.add("status", "BUFFERING");
  } catch (Throwable e) {
    if (e instanceof SolrException)
      throw (SolrException)e;
    else
      throw new SolrException(ErrorCode.SERVER_ERROR, "Could not start buffering updates", e);
  } finally {
    if (req != null) req.close();
  }
}
 

import org.apache.solr.core.SolrCore; //導入依賴的package包/類
/**
 * Calculates a tag for the ETag header.
 *
 * @return a tag
 */
public static String calcEtag(final SolrQueryRequest solrReq) {
  final SolrCore core = solrReq.getCore();
  final long currentIndexVersion
    = solrReq.getSearcher().getIndexReader().getVersion();

  EtagCacheVal etagCache = etagCoreCache.get(core);
  if (null == etagCache) {
    final String etagSeed
      = core.getSolrConfig().getHttpCachingConfig().getEtagSeed();
    etagCache = new EtagCacheVal(etagSeed);
    etagCoreCache.put(core, etagCache);
  }
  
  return etagCache.calcEtag(currentIndexVersion);
  
}