Example usage for org.apache.lucene.index IndexWriter addDocument

Introduction

In this page you can find the example usage for org.apache.lucene.index IndexWriter addDocument.

Prototype

public long addDocument(Iterable<? extends IndexableField> doc) throws IOException 

Source Link

Document

Adds a document to this index.

Usage

From source file:com.codenvy.test.lucene.IndexFiles.java

License:Open Source License

/** Indexes a single document */
static void indexDoc(IndexWriter writer, Path file, long lastModified) throws IOException {
    try (InputStream stream = Files.newInputStream(file)) {
        // make a new, empty document
        Document doc = new Document();

        // Add the path of the file as a field named "path".  Use a
        // field that is indexed (i.e. searchable), but don't tokenize
        // the field into separate words and don't index term frequency
        // or positional information:
        Field pathField = new StringField("path", file.toString(), Field.Store.YES);
        doc.add(pathField);/* ww  w . j  a  v  a2s.  co  m*/

        // Add the last modified date of the file a field named "modified".
        // Use a LongField that is indexed (i.e. efficiently filterable with
        // NumericRangeFilter).  This indexes to milli-second resolution, which
        // is often too fine.  You could instead create a number based on
        // year/month/day/hour/minutes/seconds, down the resolution you require.
        // For example the long value 2011021714 would mean
        // February 17, 2011, 2-3 PM.
        doc.add(new LongField("modified", lastModified, Field.Store.NO));

        // Add the contents of the file to a field named "contents".  Specify a Reader,
        // so that the text of the file is tokenized and indexed, but not stored.
        // Note that FileReader expects the file to be in UTF-8 encoding.
        // If that's not the case searching for special characters will fail.
        doc.add(new TextField("contents",
                new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8))));

        if (writer.getConfig().getOpenMode() == OpenMode.CREATE) {
            // New index, so we just add the document (no old document can be there):
            System.out.println("adding " + file);
            writer.addDocument(doc);
        } else {
            // Existing index (an old copy of this document may have been indexed) so
            // we use updateDocument instead to replace the old one matching the exact
            // path, if present:
            System.out.println("updating " + file);
            writer.updateDocument(new Term("path", file.toString()), doc);
        }
    }
}

---

From source file:com.common.search.IKAnalyzerDemo.java

License:Apache License

public static void main(String[] args) {
    // Lucene Document
    String fieldName = "text";
    // /* w  ww .  j  a  v  a2s . c o m*/
    String text = "IK Analyzer ";
    // IKAnalyzer
    Analyzer analyzer = new IKAnalyzer();
    Directory directory = null;
    IndexWriter iwriter = null;
    IndexReader ireader = null;
    IndexSearcher isearcher = null;
    try {
        // 
        directory = new RAMDirectory();
        // IndexWriterConfig
        IndexWriterConfig iwConfig = new IndexWriterConfig(Version.LUCENE_34, analyzer);
        iwConfig.setOpenMode(OpenMode.CREATE_OR_APPEND);
        iwriter = new IndexWriter(directory, iwConfig);
        // 
        Document doc = new Document();
        doc.add(new Field("ID", "10000", Field.Store.YES, Field.Index.NOT_ANALYZED));
        doc.add(new Field(fieldName, text, Field.Store.YES, Field.Index.ANALYZED));
        iwriter.addDocument(doc);
        iwriter.close();
        // **********************************
        // 
        ireader = IndexReader.open(directory);
        isearcher = new IndexSearcher(ireader);
        String keyword = "";
        // QueryParserQuery
        QueryParser qp = new QueryParser(Version.LUCENE_34, fieldName, analyzer);
        qp.setDefaultOperator(QueryParser.AND_OPERATOR);
        Query query = qp.parse(keyword);
        // 5
        TopDocs topDocs = isearcher.search(query, 5);
        System.out.println(" " + topDocs.totalHits);
        // 
        ScoreDoc[] scoreDocs = topDocs.scoreDocs;
        for (int i = 0; i < topDocs.totalHits; i++) {
            Document targetDoc = isearcher.doc(scoreDocs[i].doc);
            System.out.println(" " + targetDoc.toString());
        }
    } catch (CorruptIndexException e) {
        e.printStackTrace();
    } catch (LockObtainFailedException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (ParseException e) {
        e.printStackTrace();
    } finally {
        if (ireader != null) {
            try {
                ireader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (directory != null) {
            try {
                directory.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

---

From source file:com.company.Indexer.java

License:Apache License

/** Indexes a single document */
static void indexDoc(IndexWriter writer, Path file, long lastModified) throws IOException {
    try (InputStream stream = Files.newInputStream(file)) {
        // make a new, empty document

        JTidyHTMLHandler mrT = new JTidyHTMLHandler();

        Document doc = mrT.getDocument(stream);

        // Add the path of the file as a field named "path".  Use a
        // field that is indexed (i.e. searchable), but don't tokenize
        // the field into separate words and don't index term frequency
        // or positional information:
        Field pathField = new StringField("path", file.toString(), Field.Store.YES);
        doc.add(pathField);/*  w w  w . ja v a 2 s.co m*/

        // Add the last modified date of the file a field named "modified".
        // Use a LongField that is indexed (i.e. efficiently filterable with
        // NumericRangeFilter).  This indexes to milli-second resolution, which
        // is often too fine.  You could instead create a number based on
        // year/month/day/hour/minutes/seconds, down the resolution you require.
        // For example the long value 2011021714 would mean
        // February 17, 2011, 2-3 PM.
        doc.add(new LongField("modified", lastModified, Field.Store.NO));

        // Add the contents of the file to a field named "contents".  Specify a Reader,
        // so that the text of the file is tokenized and indexed, but not stored.
        // Note that FileReader expects the file to be in UTF-8 encoding.
        // If that's not the case searching for special characters will fail.

        //doc.add(new TextField("contents", new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8))));

        if (writer.getConfig().getOpenMode() == IndexWriterConfig.OpenMode.CREATE) {
            // New index, so we just add the document (no old document can be there):
            System.out.println("adding " + file);
            writer.addDocument(doc);
        } else {
            // Existing index (an old copy of this document may have been indexed) so
            // we use updateDocument instead to replace the old one matching the exact
            // path, if present:
            System.out.println("updating " + file);
            writer.updateDocument(new Term("path", file.toString()), doc);
        }
    }
}

---

From source file:com.company.IndexFiles.java

License:Apache License

/** Indexes a single document */
static void indexDoc(IndexWriter writer, Path file, long lastModified) throws IOException {
    try (InputStream stream = Files.newInputStream(file)) {
        // make a new, empty document
        Document doc = new Document();

        // Add the path of the file as a field named "path".  Use a
        // field that is indexed (i.e. searchable), but don't tokenize
        // the field into separate words and don't index term frequency
        // or positional information:
        Field pathField = new StringField("path", file.toString(), Field.Store.YES);
        doc.add(pathField);/*from  ww  w.  ja  v  a 2s  .c  om*/

        // Add the last modified date of the file a field named "modified".
        // Use a LongField that is indexed (i.e. efficiently filterable with
        // NumericRangeFilter).  This indexes to milli-second resolution, which
        // is often too fine.  You could instead create a number based on
        // year/month/day/hour/minutes/seconds, down the resolution you require.
        // For example the long value 2011021714 would mean
        // February 17, 2011, 2-3 PM.
        doc.add(new LongField("modified", lastModified, Field.Store.NO));

        // Add the contents of the file to a field named "contents".  Specify a Reader,
        // so that the text of the file is tokenized and indexed, but not stored.
        // Note that FileReader expects the file to be in UTF-8 encoding.
        // If that's not the case searching for special characters will fail.
        doc.add(new TextField("contents",
                new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8))));

        if (writer.getConfig().getOpenMode() == IndexWriterConfig.OpenMode.CREATE) {
            // New index, so we just add the document (no old document can be there):
            System.out.println("adding " + file);
            writer.addDocument(doc);
        } else {
            // Existing index (an old copy of this document may have been indexed) so
            // we use updateDocument instead to replace the old one matching the exact
            // path, if present:
            System.out.println("updating " + file);
            writer.updateDocument(new Term("path", file.toString()), doc);
        }
    }
}

---

From source file:com.concursive.connect.web.modules.blog.dao.BlogPostIndexer.java

License:Open Source License

/**
 * Description of the Method//from  w w w.  ja v a2  s.c  o m
 *
 * @param writer   Description of the Parameter
 * @param item     Description of the Parameter
 * @param modified Description of the Parameter
 * @throws IOException Description of the Exception
 */
public void add(IndexWriter writer, Object item, boolean modified) throws IOException {
    BlogPost article = (BlogPost) item;
    // add the document
    Document document = new Document();
    document.add(new Field("type", "news", Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(
            new Field("newsId", String.valueOf(article.getId()), Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(new Field("projectId", String.valueOf(article.getProjectId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    if (article.getProjectId() > -1) {
        // use the project's general access to speedup guest projects
        Project project = ProjectUtils.loadProject(article.getProjectId());
        document.add(new Field("projectCategoryId", String.valueOf(project.getCategoryId()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
        document.add(new Field("guests", (project.getFeatures().getAllowGuests() ? "1" : "0"), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
        document.add(new Field("participants", (project.getFeatures().getAllowParticipants() ? "1" : "0"),
                Field.Store.YES, Field.Index.UN_TOKENIZED));
        document.add(new Field("instanceId", String.valueOf(project.getInstanceId()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
        // determine if membership is needed for this content based on a guest's access to the data
        int membership = project.getFeatures().getMembershipRequired() ? 1 : 0;
        if (membership == 1
                && ProjectUtils.hasAccess(project.getId(), UserUtils.createGuestUser(), "project-news-view")) {
            membership = 0;
        }
        document.add(
                new Field("membership", String.valueOf(membership), Field.Store.YES, Field.Index.UN_TOKENIZED));
    }
    document.add(new Field("title", article.getSubject(), Field.Store.YES, Field.Index.TOKENIZED));
    document.add(new Field("titleLower", article.getSubject().toLowerCase(), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("contents",
            article.getSubject() + " " + ContentUtils.toText(ContentUtils.stripHTML(article.getIntro())) + " "
                    + ContentUtils.toText(ContentUtils.stripHTML(article.getMessage())),
            Field.Store.YES, Field.Index.TOKENIZED));
    if (article.getStartDate() != null) {
        document.add(new Field("modified", String.valueOf(article.getStartDate().getTime()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
        document.add(new Field("newsDate", String.valueOf(formatter.format(article.getStartDate())),
                Field.Store.YES, Field.Index.UN_TOKENIZED));
    } else {
        // If there is no date, set the date to an empty string to maintain the search.
        document.add(new Field("newsDate", "", Field.Store.YES, Field.Index.UN_TOKENIZED));
    }
    document.add(new Field("newsStatus", String.valueOf(article.getStatus()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("newsClassificationId", String.valueOf(article.getClassificationId()),
            Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(new Field("newsTemplateId", String.valueOf(article.getTemplateId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    if (article.getPortalKey() != null && !"".equals(article.getPortalKey())) {
        document.add(new Field("newsPortal", "true", Field.Store.YES, Field.Index.UN_TOKENIZED));
        document.add(
                new Field("newsPortalKey", article.getPortalKey(), Field.Store.YES, Field.Index.UN_TOKENIZED));
    }
    writer.addDocument(document);
    if (System.getProperty("DEBUG") != null && modified) {
        System.out.println("PostIndexer-> Added: " + article.getId());
    }
}

---

From source file:com.concursive.connect.web.modules.classifieds.dao.ClassifiedIndexer.java

License:Open Source License

/**
 * Description of the Method/*  w w  w.  j a v a  2s  .c o m*/
 *
 * @param writer   Description of the Parameter
 * @param item     Description of the Parameter
 * @param modified Description of the Parameter
 * @throws IOException Description of the Exception
 */
public void add(IndexWriter writer, Object item, boolean modified) throws IOException {
    Classified classified = (Classified) item;
    // add the document
    Document document = new Document();
    document.add(new Field("type", "classifieds", Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(new Field("classifiedId", String.valueOf(classified.getId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("projectId", String.valueOf(classified.getProjectId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    if (classified.getCategoryId() != -1) {
        document.add(new Field("categoryId", String.valueOf(classified.getCategoryId()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
    }
    document.add(new Field("location",
            String.valueOf(ProjectUtils.loadProject(classified.getProjectId()).getLocation()), Field.Store.YES,
            Field.Index.TOKENIZED));
    document.add(new Field("instanceId",
            String.valueOf(ProjectUtils.loadProject(classified.getProjectId()).getInstanceId()),
            Field.Store.YES, Field.Index.UN_TOKENIZED));
    if (classified.getProjectId() > -1) {
        // use the project's general access to speedup guest projects
        Project project = ProjectUtils.loadProject(classified.getProjectId());
        document.add(new Field("projectCategoryId", String.valueOf(project.getCategoryId()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
        document.add(new Field("guests", (project.getFeatures().getAllowGuests() ? "1" : "0"), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
        document.add(new Field("participants", (project.getFeatures().getAllowParticipants() ? "1" : "0"),
                Field.Store.YES, Field.Index.UN_TOKENIZED));
        // determine if membership is needed for this content based on a guest's access to the data
        int membership = project.getFeatures().getMembershipRequired() ? 1 : 0;
        if (membership == 1 && ProjectUtils.hasAccess(project.getId(), UserUtils.createGuestUser(),
                "project-classifieds-view")) {
            membership = 0;
        }
        document.add(
                new Field("membership", String.valueOf(membership), Field.Store.YES, Field.Index.UN_TOKENIZED));
    }
    document.add(new Field("title", classified.getTitle(), Field.Store.YES, Field.Index.TOKENIZED));
    document.add(new Field("titleFull", classified.getTitle(), Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(new Field("titleLower", classified.getTitle().toLowerCase(), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("contents",
            classified.getTitle() + " " + ContentUtils.toText(classified.getDescription()), Field.Store.YES,
            Field.Index.TOKENIZED));
    SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
    if (classified.getPublishDate() != null) {
        document.add(new Field("modified", String.valueOf(formatter.format(classified.getPublishDate())),
                Field.Store.YES, Field.Index.UN_TOKENIZED));
        document.add(new Field("published", String.valueOf(formatter.format(classified.getPublishDate())),
                Field.Store.YES, Field.Index.UN_TOKENIZED));
    }
    if (classified.getExpirationDate() != null) {
        document.add(new Field("expired", String.valueOf(formatter.format(classified.getExpirationDate())),
                Field.Store.YES, Field.Index.UN_TOKENIZED));
    }
    writer.addDocument(document);
    if (System.getProperty("DEBUG") != null && modified) {
        System.out.println("ClassifiedIndexer-> Added: " + classified.getId());
    }
}

---

From source file:com.concursive.connect.web.modules.contacts.dao.ContactIndexer.java

License:Open Source License

/**
 * Description of the Method/*from  w  w  w  .java 2 s .  co  m*/
 *
 * @param writer   Description of the Parameter
 * @param item     Description of the Parameter
 * @param modified Description of the Parameter
 * @throws java.io.IOException Description of the Exception
 */
public void add(IndexWriter writer, Object item, boolean modified) throws IOException {
    Contact contact = (Contact) item;
    // add the document
    Document document = new Document();
    document.add(new Field("type", "contact", Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(
            new Field("contactId", String.valueOf(contact.getId()), Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(
            new Field("userId", String.valueOf(contact.getOwner()), Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(new Field("title", contact.getIndexAs(), Field.Store.YES, Field.Index.TOKENIZED));
    document.add(new Field("titleLower", contact.getIndexAs().toLowerCase(), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("contents",
            contact.getIndexAs() + " " + contact.getComments() + " " + contact.getWebPage() + " "
                    + contact.getEmail1() + " " + contact.getEmail1() + " " + contact.getEmail2() + " "
                    + contact.getEmail3() + " ",
            Field.Store.YES, Field.Index.TOKENIZED));
    if (contact.getEntered() != null) {
        document.add(new Field("modified", String.valueOf(contact.getEntered().getTime()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
    }
    writer.addDocument(document);
    if (System.getProperty("DEBUG") != null && modified) {
        System.out.println("ContactIndexer-> Added: " + contact.getId());
    }
}

---

From source file:com.concursive.connect.web.modules.discussion.dao.ForumIndexer.java

License:Open Source License

/**
 * Description of the Method/*  w  ww  .j a v a 2  s . co  m*/
 *
 * @param writer   Description of the Parameter
 * @param item     Description of the Parameter
 * @param modified Description of the Parameter
 * @throws IOException Description of the Exception
 */
public void add(IndexWriter writer, Object item, boolean modified) throws IOException {
    Forum forum = (Forum) item;
    // use the project's general access to speedup guest projects
    Project project = ProjectUtils.loadProject(forum.getProjectId());
    // add the document
    Document document = new Document();
    document.add(new Field("type", "issuecategory", Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(new Field("issueCategoryKeyId", String.valueOf(forum.getId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("issueCategoryId", String.valueOf(forum.getId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("projectId", String.valueOf(forum.getProjectId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("projectCategoryId", String.valueOf(project.getCategoryId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("guests", (project.getFeatures().getAllowGuests() ? "1" : "0"), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("participants", (project.getFeatures().getAllowParticipants() ? "1" : "0"),
            Field.Store.YES, Field.Index.UN_TOKENIZED));
    // determine if membership is needed for this content based on a guest's access to the data
    int membership = project.getFeatures().getMembershipRequired() ? 1 : 0;
    if (membership == 1 && ProjectUtils.hasAccess(project.getId(), UserUtils.createGuestUser(),
            "project-discussion-forums-view")) {
        membership = 0;
    }
    document.add(
            new Field("membership", String.valueOf(membership), Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(new Field("title", forum.getSubject(), Field.Store.YES, Field.Index.TOKENIZED));
    document.add(new Field("titleLower", forum.getSubject().toLowerCase(), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("contents", forum.getSubject() + " " + ContentUtils.toText(forum.getDescription()),
            Field.Store.YES, Field.Index.TOKENIZED));
    if (modified) {
        document.add(new Field("modified", String.valueOf(System.currentTimeMillis()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
    } else {
        document.add(new Field("modified", String.valueOf(forum.getModified().getTime()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
    }
    writer.addDocument(document);
    if (System.getProperty("DEBUG") != null && modified) {
        LOG.debug("IssueCategoryIndexer->  Added: " + forum.getId());
    }
}

---

From source file:com.concursive.connect.web.modules.discussion.dao.ReplyIndexer.java

License:Open Source License

/**
 * Description of the Method//from   www .  ja  va  2  s. com
 *
 * @param writer   Description of the Parameter
 * @param item     Description of the Parameter
 * @param modified Description of the Parameter
 * @throws IOException Description of the Exception
 */
public void add(IndexWriter writer, Object item, boolean modified) throws IOException {
    Reply reply = (Reply) item;
    // use the project's general access to speedup guest projects
    Project project = ProjectUtils.loadProject(reply.getProjectId());
    // add the document
    Document document = new Document();
    document.add(new Field("type", "issuereply", Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(new Field("issueReplyId", String.valueOf(reply.getId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("issueId", String.valueOf(reply.getIssueId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("issueCategoryId", String.valueOf(reply.getCategoryId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("projectId", String.valueOf(reply.getProjectId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("projectCategoryId", String.valueOf(project.getCategoryId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("guests", (project.getFeatures().getAllowGuests() ? "1" : "0"), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("participants", (project.getFeatures().getAllowParticipants() ? "1" : "0"),
            Field.Store.YES, Field.Index.UN_TOKENIZED));
    // determine if membership is needed for this content based on a guest's access to the data
    int membership = project.getFeatures().getMembershipRequired() ? 1 : 0;
    if (membership == 1 && ProjectUtils.hasAccess(project.getId(), UserUtils.createGuestUser(),
            "project-discussion-topics-view")) {
        membership = 0;
    }
    document.add(
            new Field("membership", String.valueOf(membership), Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(new Field("title", reply.getSubject(), Field.Store.YES, Field.Index.TOKENIZED));
    document.add(new Field("titleLower", reply.getSubject().toLowerCase(), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("contents", reply.getSubject() + " " + ContentUtils.toText(reply.getBody()),
            Field.Store.YES, Field.Index.TOKENIZED));
    if (modified) {
        document.add(new Field("modified", String.valueOf(System.currentTimeMillis()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
    } else {
        document.add(new Field("modified", String.valueOf(reply.getModified().getTime()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
    }
    writer.addDocument(document);
    if (System.getProperty("DEBUG") != null && modified) {
        LOG.debug("IssueReplyIndexer Added: " + reply.getId());
    }
}

---

From source file:com.concursive.connect.web.modules.discussion.dao.TopicIndexer.java

License:Open Source License

/**
 * Description of the Method//from   w  w  w . j  a  v  a  2s .co m
 *
 * @param writer   Description of the Parameter
 * @param item     Description of the Parameter
 * @param modified Description of the Parameter
 * @throws IOException Description of the Exception
 */
public void add(IndexWriter writer, Object item, boolean modified) throws IOException {
    Topic topic = (Topic) item;
    // use the project's general access to speedup guest projects
    Project project = ProjectUtils.loadProject(topic.getProjectId());
    // add the document
    Document document = new Document();
    document.add(new Field("type", "issue", Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(
            new Field("issueKeyId", String.valueOf(topic.getId()), Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(
            new Field("issueId", String.valueOf(topic.getId()), Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(new Field("issueCategoryId", String.valueOf(topic.getCategoryId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("projectId", String.valueOf(topic.getProjectId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("projectCategoryId", String.valueOf(project.getCategoryId()), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("guests", (project.getFeatures().getAllowGuests() ? "1" : "0"), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("participants", (project.getFeatures().getAllowParticipants() ? "1" : "0"),
            Field.Store.YES, Field.Index.UN_TOKENIZED));
    // determine if membership is needed for this content based on a guest's access to the data
    int membership = project.getFeatures().getMembershipRequired() ? 1 : 0;
    if (membership == 1 && ProjectUtils.hasAccess(project.getId(), UserUtils.createGuestUser(),
            "project-discussion-topics-view")) {
        membership = 0;
    }
    document.add(
            new Field("membership", String.valueOf(membership), Field.Store.YES, Field.Index.UN_TOKENIZED));
    document.add(new Field("title", topic.getSubject(), Field.Store.YES, Field.Index.TOKENIZED));
    document.add(new Field("titleLower", topic.getSubject().toLowerCase(), Field.Store.YES,
            Field.Index.UN_TOKENIZED));
    document.add(new Field("contents", topic.getSubject() + " " + ContentUtils.toText(topic.getBody()),
            Field.Store.YES, Field.Index.TOKENIZED));
    if (modified) {
        document.add(new Field("modified", String.valueOf(System.currentTimeMillis()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
    } else {
        document.add(new Field("modified", String.valueOf(topic.getModified().getTime()), Field.Store.YES,
                Field.Index.UN_TOKENIZED));
    }
    writer.addDocument(document);
    if (System.getProperty("DEBUG") != null && modified) {
        LOG.debug("IssueIndexer Added: " + topic.getId());
    }
}

---

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