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

Introduction

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

Prototype

@Override
public void close() throws IOException 

Source Link

Document

Closes all open resources and releases the write lock.

Usage

From source file:com.sun.socialsite.business.impl.LuceneSearchManagerImpl.java

License:Open Source License

/**
 * @return false if the index entry was not updated because it
 * was already current; true otherwise./*from  w  ww.jav a 2  s .c om*/
 */
public boolean addToIndex(final App app) throws IOException {

    boolean needNewEntry = true;

    String key = getKey(app);
    String url = app.getURL().toExternalForm();
    String title = app.getTitle();
    String description = app.getDescription();

    IndexReader reader = IndexReader.open(indexDir);
    TermDocs termDocs = reader.termDocs(new Term("key", key));
    while (termDocs.next()) {
        Document existingDoc = reader.document(termDocs.doc());
        if (areEqual("app", existingDoc.get("class")) && areEqual(url, existingDoc.get("url"))
                && areEqual(title, existingDoc.get("title"))
                && areEqual(description, existingDoc.get("description"))) {
            needNewEntry = false;
        }
    }
    termDocs.close();
    reader.close();

    if (needNewEntry) {
        Document newDoc = new Document();
        newDoc.add(new Field("key", key, Field.Store.YES, Field.Index.UN_TOKENIZED));
        newDoc.add(new Field("class", "app", Field.Store.YES, Field.Index.UN_TOKENIZED));
        newDoc.add(new Field("url", url, Field.Store.YES, Field.Index.TOKENIZED));
        if (title != null)
            newDoc.add(new Field("title", title, Field.Store.YES, Field.Index.TOKENIZED));
        if (description != null)
            newDoc.add(new Field("description", description, Field.Store.YES, Field.Index.TOKENIZED));

        IndexWriter writer = null;
        try {
            writer = new IndexWriter(indexDir, analyzer, false);
            writer.deleteDocuments(new Term("key", key)); // Delete old entry, if present
            writer.addDocument(newDoc);
        } finally {
            if (writer != null)
                try {
                    writer.close();
                } catch (Exception e) {
                }
            ;
        }

        log.trace(String.format("Indexed app[url=%s,title=%s,description=%s]", url, title, description));
    }

    return needNewEntry;
}

---

From source file:com.sun.socialsite.business.impl.LuceneSearchManagerImpl.java

License:Open Source License

/**
 * @return false if the index entry was not updated because it
 * was already current; true otherwise.// ww w  . ja v  a  2 s  .  c  o  m
 */
public boolean addToIndex(final Group group) throws IOException {

    boolean needNewEntry = true;

    String key = getKey(group);
    String handle = group.getHandle();
    String name = group.getName();
    String description = group.getDescription();

    IndexReader reader = IndexReader.open(indexDir);
    TermDocs termDocs = reader.termDocs(new Term("key", key));
    while (termDocs.next()) {
        Document existingDoc = reader.document(termDocs.doc());
        if (areEqual("group", existingDoc.get("class")) && areEqual(handle, existingDoc.get("handle"))
                && areEqual(name, existingDoc.get("name"))
                && areEqual(description, existingDoc.get("description"))) {
            needNewEntry = false;
        }
    }
    termDocs.close();
    reader.close();

    if (needNewEntry) {
        Document newDoc = new Document();
        newDoc.add(new Field("key", key, Field.Store.YES, Field.Index.UN_TOKENIZED));
        newDoc.add(new Field("class", "group", Field.Store.YES, Field.Index.UN_TOKENIZED));
        newDoc.add(new Field("handle", handle, Field.Store.YES, Field.Index.TOKENIZED));
        newDoc.add(new Field("name", name, Field.Store.YES, Field.Index.TOKENIZED));
        if (description != null)
            newDoc.add(new Field("description", description, Field.Store.YES, Field.Index.TOKENIZED));

        IndexWriter writer = null;
        try {
            writer = new IndexWriter(indexDir, analyzer, false);
            writer.deleteDocuments(new Term("key", key)); // Delete old entry, if present
            writer.addDocument(newDoc);
        } finally {
            if (writer != null)
                try {
                    writer.close();
                } catch (Exception e) {
                }
            ;
        }

        log.trace(String.format("Indexed group[handle=%s,name=%s,description=%s]", name, handle, description));
    }

    return needNewEntry;
}

---

From source file:com.sun.socialsite.business.impl.LuceneSearchManagerImpl.java

License:Open Source License

/**
 * @return false if the index entry was not updated because it
 * was already current; true otherwise./*ww  w.  j  a  v a2  s .  com*/
 */
public boolean addToIndex(final Profile profile) throws IOException {

    boolean needNewEntry = true;

    String key = getKey(profile);
    String userId = profile.getUserId();
    String firstName = profile.getFirstName();
    String middleName = profile.getMiddleName();
    String lastName = profile.getLastName();
    String nickName = profile.getNickName();
    String primaryEmail = profile.getPrimaryEmail();
    String displayName = profile.getDisplayName();

    IndexReader reader = IndexReader.open(indexDir);
    TermDocs termDocs = reader.termDocs(new Term("key", key));
    while (termDocs.next()) {
        Document existingDoc = reader.document(termDocs.doc());
        if (areEqual("profile", existingDoc.get("class")) && areEqual(userId, existingDoc.get("userId"))
                && areEqual(firstName, existingDoc.get("firstName"))
                && areEqual(middleName, existingDoc.get("middleName"))
                && areEqual(lastName, existingDoc.get("lastName"))
                && areEqual(nickName, existingDoc.get("nickName"))
                && areEqual(primaryEmail, existingDoc.get("primaryEmail"))
                && areEqual(displayName, existingDoc.get("displayName"))) {
            needNewEntry = false;
        }
    }
    termDocs.close();
    reader.close();

    if (needNewEntry) {
        Document newDoc = new Document();
        newDoc.add(new Field("key", key, Field.Store.YES, Field.Index.UN_TOKENIZED));
        newDoc.add(new Field("class", "profile", Field.Store.YES, Field.Index.UN_TOKENIZED));
        newDoc.add(new Field("userId", userId, Field.Store.YES, Field.Index.UN_TOKENIZED));
        if (firstName != null)
            newDoc.add(new Field("firstName", firstName, Field.Store.YES, Field.Index.TOKENIZED));
        if (middleName != null)
            newDoc.add(new Field("middleName", middleName, Field.Store.YES, Field.Index.TOKENIZED));
        if (lastName != null)
            newDoc.add(new Field("lastName", lastName, Field.Store.YES, Field.Index.TOKENIZED));
        if (nickName != null)
            newDoc.add(new Field("nickName", nickName, Field.Store.YES, Field.Index.TOKENIZED));
        if (primaryEmail != null)
            newDoc.add(new Field("primaryEmail", primaryEmail, Field.Store.YES, Field.Index.UN_TOKENIZED));
        if (displayName != null)
            newDoc.add(new Field("displayName", displayName, Field.Store.YES, Field.Index.TOKENIZED));

        IndexWriter writer = null;
        try {
            writer = new IndexWriter(indexDir, analyzer, false);
            writer.deleteDocuments(new Term("key", key)); // Delete old entry, if present
            writer.addDocument(newDoc);
        } finally {
            if (writer != null)
                try {
                    writer.close();
                } catch (Exception e) {
                }
            ;
        }

        log.trace(String.format(
                "Indexed profile[userId=%s,firstName=%s,lastName=%s,nickName=%s,primaryEmail=%s,displayName=%s]",
                userId, firstName, lastName, nickName, primaryEmail, displayName));
    }

    return needNewEntry;
}

---

From source file:com.sun.socialsite.business.impl.LuceneSearchManagerImpl.java

License:Open Source License

public void removeFromIndex(final App app) throws IOException {
    IndexWriter writer = null;
    try {// ww  w.  j a va 2  s  . c om
        writer = new IndexWriter(indexDir, analyzer, false);
        writer.deleteDocuments(new Term("key", getKey(app)));
    } finally {
        if (writer != null)
            try {
                writer.close();
            } catch (Exception e) {
            }
        ;
    }
}

---

From source file:com.sun.socialsite.business.impl.LuceneSearchManagerImpl.java

License:Open Source License

public void removeFromIndex(final Group group) throws IOException {
    IndexWriter writer = null;
    try {//from   w w  w.  ja v a2 s. com
        writer = new IndexWriter(indexDir, analyzer, false);
        writer.deleteDocuments(new Term("key", getKey(group)));
    } finally {
        if (writer != null)
            try {
                writer.close();
            } catch (Exception e) {
            }
        ;
    }
}

---

From source file:com.sun.socialsite.business.impl.LuceneSearchManagerImpl.java

License:Open Source License

public void removeFromIndex(final Profile profile) throws IOException {
    IndexWriter writer = null;
    try {/*  www.  j  a v  a2s.  c  om*/
        writer = new IndexWriter(indexDir, analyzer, false);
        writer.deleteDocuments(new Term("key", getKey(profile)));
    } finally {
        if (writer != null)
            try {
                writer.close();
            } catch (Exception e) {
            }
        ;
    }
}

---

From source file:com.sun.socialsite.business.impl.LuceneSearchManagerImpl.java

License:Open Source License

public void optimize() throws IOException {
    IndexWriter writer = null;
    try {//from  ww  w.  j  a v  a 2 s  .c  om
        writer = new IndexWriter(indexDir, analyzer, false);
        writer.optimize();
    } finally {
        if (writer != null)
            try {
                writer.close();
            } catch (Exception e) {
            }
        ;
    }
}

---

From source file:com.svenjacobs.lugaene.GaeDirectoryTest.java

License:Apache License

@Test
public void wholeCycle() throws Exception {

    // Index/*from ww  w .j  a  v  a2  s . c o  m*/

    final Directory directory = new GaeDirectory("Test");
    final Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_44);

    final IndexWriterConfig config = GaeIndexWriterConfigHelper.create(Version.LUCENE_44, analyzer);
    final IndexWriter indexWriter = new IndexWriter(directory, config);

    final Document doc1 = new Document();

    doc1.add(new StringField(FIELD_TITLE, "Title1", Field.Store.YES));
    doc1.add(new TextField(FIELD_CONTENTS, "keyword1 keyword2 lorem ipsum", Field.Store.NO));

    indexWriter.addDocument(doc1);

    final Document doc2 = new Document();

    doc2.add(new StringField(FIELD_TITLE, "Title2", Field.Store.YES));
    doc2.add(new TextField(FIELD_CONTENTS, "keyword3 keyword4 lorem ipsum", Field.Store.NO));

    indexWriter.addDocument(doc2);

    indexWriter.close();

    // Search

    final DirectoryReader reader = DirectoryReader.open(directory);
    final IndexSearcher searcher = new IndexSearcher(reader);

    final BooleanQuery query = new BooleanQuery();

    query.add(new TermQuery(new Term(FIELD_TITLE, "Title1")), BooleanClause.Occur.MUST);
    query.add(new TermQuery(new Term(FIELD_CONTENTS, "lorem")), BooleanClause.Occur.MUST);

    ScoreDoc[] hits = searcher.search(query, 100).scoreDocs;

    assertThat(hits.length, is(1));
    assertThat(searcher.doc(hits[0].doc).get(FIELD_TITLE), is("Title1"));

    hits = searcher.search(new TermQuery(new Term(FIELD_CONTENTS, "lorem")), 100).scoreDocs;

    assertThat(hits.length, is(2));
    assertThat(searcher.doc(hits[0].doc).get(FIELD_TITLE), is("Title1"));
    assertThat(searcher.doc(hits[1].doc).get(FIELD_TITLE), is("Title2"));

    hits = searcher.search(new TermQuery(new Term(FIELD_CONTENTS, "keyword3")), 100).scoreDocs;

    assertThat(hits.length, is(1));
    assertThat(searcher.doc(hits[0].doc).get(FIELD_TITLE), is("Title2"));
}

---

From source file:com.sxc.lucene.analysis.codec.MetaphoneAnalyzerTest.java

License:Apache License

public void testKoolKat() throws Exception {
    RAMDirectory directory = new RAMDirectory();
    Analyzer analyzer = new MetaphoneReplacementAnalyzer();
    IndexWriterConfig indexWriterConfig = new IndexWriterConfig(Version.LUCENE_47, analyzer);
    IndexWriter writer = new IndexWriter(directory, indexWriterConfig);
    Document doc = new Document();
    doc.add(new TextField("contents", "cool cat", Field.Store.YES));
    writer.addDocument(doc);/*  w w w.j a v a  2 s  . c  om*/
    writer.close();
    IndexSearcher searcher = new IndexSearcher(DirectoryReader.open(directory));
    Query query = new QueryParser(Version.LUCENE_47, "contents", analyzer).parse("kool kat");
    TopDocs hits = searcher.search(query, 1);
    assertEquals(1, hits.totalHits);
    int docID = hits.scoreDocs[0].doc;
    doc = searcher.doc(docID);
    assertEquals("cool cat", doc.get("contents"));
    searcher.getIndexReader().close();
}

---

From source file:com.sxc.lucene.analysis.synonym.SynonymAnalyzerTest.java

License:Apache License

public void setUp() throws Exception {
    RAMDirectory directory = new RAMDirectory();
    IndexWriterConfig indexWriterConfig = new IndexWriterConfig(Version.LUCENE_47, synonymAnalyzer);
    IndexWriter writer = new IndexWriter(directory, indexWriterConfig);
    Document doc = new Document();
    doc.add(new TextField("content", "The quick brown fox jumps over the lazy dog", Field.Store.YES)); //#2
    writer.addDocument(doc);/*from  w  ww .j  a  va  2 s .  c  om*/

    writer.close();

    searcher = new IndexSearcher(DirectoryReader.open(directory));
}

---

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