Example usage for org.apache.solr.core SolrCore getNewestSearcher

Introduction

In this page you can find the example usage for org.apache.solr.core SolrCore getNewestSearcher.

Prototype

public RefCounted<SolrIndexSearcher> getNewestSearcher(boolean openNew) 

Source Link

Document

Return the newest normal RefCounted < SolrIndexSearcher > with the reference count incremented.

Usage

From source file:com.billiger.solr.handler.component.QLTBComponent.java

License:Apache License

/**
 * Inform component of core reload./*from  w  w w  .  ja v a  2s.  c o  m*/
 *
 * This will both set the analyzer according to the configured
 * queryFieldType, and load the QLTB data. Data source can be (in this
 * order) ZooKeeper, the conf/ directory or the data/ directory.
 */
@Override
public final void inform(final SolrCore core) {
    // load analyzer
    String queryFieldType = initArgs.get(FIELD_TYPE);
    if (queryFieldType != null) {
        FieldType ft = core.getLatestSchema().getFieldTypes().get(queryFieldType);
        if (ft == null) {
            throw new SolrException(SolrException.ErrorCode.SERVER_ERROR,
                    "unknown FieldType \"" + queryFieldType + "\" used in QLTBComponent");
        }
        analyzer = ft.getQueryAnalyzer();
    } else {
        analyzer = null;
    }
    synchronized (qltbCache) {
        qltbCache.clear();
        try {
            // retrieve QLTB data filename
            String qltbFile = initArgs.get(QLTB_FILE);
            if (qltbFile == null) {
                throw new SolrException(SolrException.ErrorCode.SERVER_ERROR,
                        "QLTBComponent must specify argument: \"" + QLTB_FILE + "\" - path to QLTB data");
            }
            boolean exists = false;
            // check ZooKeeper
            ZkController zkController = core.getCoreDescriptor().getCoreContainer().getZkController();
            if (zkController != null) {
                exists = zkController.configFileExists(zkController.readConfigName(
                        core.getCoreDescriptor().getCloudDescriptor().getCollectionName()), qltbFile);
            } else {
                // no ZooKeeper, check conf/ and data/ directories
                File fConf = new File(core.getResourceLoader().getConfigDir(), qltbFile);
                File fData = new File(core.getDataDir(), qltbFile);
                if (fConf.exists() == fData.exists()) {
                    // both or neither exist
                    throw new SolrException(SolrException.ErrorCode.SERVER_ERROR,
                            "QLTBComponent missing config file: \"" + qltbFile + "\": either "
                                    + fConf.getAbsolutePath() + " or " + fData.getAbsolutePath()
                                    + " must exist, but not both");
                }
                if (fConf.exists()) {
                    // conf/ found, load it
                    exists = true;
                    log.info("QLTB source conf/: " + fConf.getAbsolutePath());
                    Config cfg = new Config(core.getResourceLoader(), qltbFile);
                    qltbCache.put(null, loadQLTBMap(cfg, core));
                }
            }
            if (!exists) {
                // Neither ZooKeeper nor conf/, so must be in data/
                // We need an IndexReader and the normal
                RefCounted<SolrIndexSearcher> searcher = null;
                try {
                    searcher = core.getNewestSearcher(false);
                    IndexReader reader = searcher.get().getIndexReader();
                    getQLTBMap(reader, core);
                } finally {
                    if (searcher != null) {
                        searcher.decref();
                    }
                }
            }
        } catch (Exception ex) {
            throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Error initializing QltbComponent.",
                    ex);
        }
    }
}

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From source file:com.lucid.solr.sidecar.SidecarIndexReaderFactory.java

License:Apache License

DirectoryReader newReaderInternal(Directory indexDir, IndexWriter writer, SolrCore core) throws IOException {
    DirectoryReader main = null;/*from w  w  w.  j a  va2  s. co  m*/
    if (writer != null) {
        main = standardFactory.newReader(writer, core);
    } else {
        main = standardFactory.newReader(indexDir, core);
    }
    if (!enabled) {
        LOG.info("Sidecar index not enabled");
        return main;
    }
    currentCore = core;
    CoreContainer container = core.getCoreDescriptor().getCoreContainer();
    SolrCore source = container.getCore(sourceCollection);
    if (source == null) {
        LOG.info("Source collection '" + sourceCollection + "' not present, sidecar index is disabled.");
        try {
            return new SidecarIndexReader(this, main, null, SidecarIndexReader.getSequentialSubReaders(main),
                    sourceCollection, null);
        } catch (Exception e1) {
            LOG.warn("Unexpected exception, returning single main index", e1);
            return main;
        }
    }
    if (source.isClosed()) {
        LOG.info("Source collection '" + sourceCollection + "' is closed, sidecar index is disabled.");
        try {
            return new SidecarIndexReader(this, main, null, SidecarIndexReader.getSequentialSubReaders(main),
                    sourceCollection, null);
        } catch (Exception e1) {
            LOG.warn("Unexpected exception, returning single main index", e1);
            return main;
        }
    }
    DirectoryReader parallel = null;
    SolrIndexSearcher searcher = null;
    try {
        searcher = source.getNewestSearcher(true).get();
        parallel = buildParallelReader(main, searcher, true);
    } finally {
        if (searcher != null) {
            LOG.info("-- closing " + searcher);
            searcher.close();
        }
        source.close();
    }
    return parallel;
}

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From source file:com.lucid.solr.sidecar.SidecarIndexReaderFactory.java

License:Apache License

DirectoryReader reopen(DirectoryReader newMain, boolean rebuild) throws IOException {
    CoreContainer container = currentCore.getCoreDescriptor().getCoreContainer();
    SolrCore source = container.getCore(sourceCollection);
    if (source == null) {
        LOG.info("Source collection '" + sourceCollection + "' not present, sidecar index is disabled.");
        try {/*  w ww  . ja v a  2  s.c o m*/
            return new SidecarIndexReader(this, newMain, null,
                    SidecarIndexReader.getSequentialSubReaders(newMain), sourceCollection, null);
        } catch (Exception e1) {
            LOG.warn("Unexpected exception, returning single main index", e1);
            return newMain;
        }
    }
    if (source.isClosed()) {
        LOG.info("Source collection '" + sourceCollection + "' is closed, sidecar index is disabled.");
        try {
            return new SidecarIndexReader(this, newMain, null,
                    SidecarIndexReader.getSequentialSubReaders(newMain), sourceCollection, null);
        } catch (Exception e1) {
            LOG.warn("Unexpected exception, returning single main index", e1);
            return newMain;
        }
    }
    DirectoryReader parallel = null;
    SolrIndexSearcher searcher = null;
    try {
        searcher = source.getNewestSearcher(true).get();
        parallel = buildParallelReader(newMain, searcher, rebuild);
    } finally {
        if (searcher != null && searcher.getIndexReader().getRefCount() > 0) {
            LOG.info("-- closing " + searcher);
            searcher.close();
        }
        if (source != null) {
            source.close();
        }
    }
    return parallel;
}

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