Example usage for org.apache.lucene.store RAMDirectory RAMDirectory

Introduction

In this page you can find the example usage for org.apache.lucene.store RAMDirectory RAMDirectory.

Prototype

public RAMDirectory(LockFactory lockFactory) 

Source Link

Document

Constructs an empty Directory with the given LockFactory .

Usage

From source file:minoe.SearchFiles.java

public SearchFiles(MetaDataController mdc) {
    this.metadata = mdc;
    try {//from   w ww  .j a  va2s.co  m
        // try loading index into memory
        directory = FSDirectory.getDirectory(index);
        ramDir = new RAMDirectory(directory);
        reader = IndexReader.open(ramDir);
    } catch (Exception ex) {
        System.out.println("Error loading index: " + ex.toString());
    } catch (java.lang.OutOfMemoryError err) {
        // if there isn't memory available, then just read index from disk.
        try {
            directory = FSDirectory.getDirectory(index);
            reader = IndexReader.open(directory);
        } catch (IOException ex) {
            System.out.println("Error loading index: " + err.toString());
        }
    }

}

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From source file:net.javacoding.xsearch.search.searcher.DefaultSearcherProvider.java

public boolean configure(File mainDir, File tempDir, DatasetConfiguration dc, boolean isInMemory)
        throws DataSourceException, IOException {
    this.isInMemorySearch = isInMemory;
    if (mainDir != null && mainDir.exists()) {
        mainDirectoryFile = mainDir;/*from   w  ww . j  ava 2  s  .  c o  m*/
    }
    File tempIndexReadyFile = new File(tempDir, "ready");
    if (tempDir != null && tempDir.exists() && tempIndexReadyFile.exists()) {
        tempDirectoryFile = tempDir;
    }
    if (isInMemorySearch) {
        try {
            if (tempDirectoryFile != null) {
                logger.info("Loading Temporary index into in memory for " + tempDirectoryFile + " ...");
                tempDirectory = new RAMDirectory(tempDirectoryFile);
                logger.info("Loaded Temporary index into in memory for " + tempDirectoryFile);
            }
            if (mainDirectoryFile != null) {
                logger.info("Loading index into in memory for " + mainDirectoryFile + " ...");
                mainDirectory = new RAMDirectory(mainDirectoryFile);
                logger.info("Loaded index into in memory for " + mainDirectoryFile);
            }
            logger.info("Successfully loaded index into in memory for " + mainDir);
        } catch (FileNotFoundException fnfe) {
            isInMemorySearch = false;
            logger.info("Failed to create in memory index for " + mainDir + ":" + fnfe.toString());
        } catch (OutOfMemoryError oom) {
            isInMemorySearch = false;
            logger.warn("Index is too large! Falling back to disk based index...");
        }
    }

    if (!isInMemorySearch) {
        if (tempDirectoryFile != null) {
            tempDirectory = FSDirectory.getDirectory(tempDirectoryFile);
        }
        if (mainDir != null && mainDir.exists()) {
            mainDirectory = FSDirectory.getDirectory(mainDir);
        }
    }

    initIndexReader();

    if (licenseLevel <= 0) {
        licenseLevel = ServerConfiguration.getServerConfiguration().getAllowedLicenseLevel();
    }

    if (_irs != null) {
        _irs.getSearcher().setSimilarity(dc.getSimilarity());
    } else {
        return false;
    }

    return true;
}

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From source file:net.sf.lucis.core.impl.RAMStore.java

License:Apache License

public RAMStore(final Store<T> store) throws Exception {
    checkNotNull(store, "A source store must be provided.");
    this.checkpoint = store.getCheckpoint();
    this.directory = new RAMDirectory(store.getDirectory());
}

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From source file:org.alfresco.repo.search.impl.lucene.index.IndexInfo.java

License:Open Source License

private IndexReader buildReferenceCountingIndexReader(String id, long size) throws IOException {
    IndexReader reader;//from  www .ja  va2  s  . c o m
    File location = new File(indexDirectory, id).getCanonicalFile();
    double folderSize = getSizeInMb(location);
    if (IndexReader.indexExists(location)) {
        if ((size < maxDocsForInMemoryIndex) && (folderSize < maxRamInMbForInMemoryIndex)) {
            RAMDirectory rd = new RAMDirectory(location);
            reader = IndexReader.open(rd);
        } else {
            reader = IndexReader.open(location);
        }
    } else {
        reader = IndexReader.open(emptyIndex);
    }
    reader = ReferenceCountingReadOnlyIndexReaderFactory.createReader(id, reader, true, config);
    return reader;
}

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