Examples with DOMFile org.exist.storage.dom.DOMFile used on opensource projects

Example 6 with DOMFile

use of org.exist.storage.dom.DOMFile in project exist by eXist-db.

the class XMLStatistics method genBufferStatus.

private void genBufferStatus(BrokerPool instance) throws SAXException {
    final AttributesImpl atts = new AttributesImpl();
    this.contentHandler.startElement(NAMESPACE, "buffers", PREFIX + ":buffers", atts);
    final Configuration conf = instance.getConfiguration();
    BFile db;
    db = (BFile) conf.getProperty(CollectionStore.FILE_KEY_IN_CONFIG);
    genBufferDetails(db.getIndexBufferStats(), db.getDataBufferStats(), "Collections storage (" + FileUtils.fileName(db.getFile()) + ")");
    final DOMFile dom = (DOMFile) conf.getProperty(DOMFile.CONFIG_KEY_FOR_FILE);
    genBufferDetails(dom.getIndexBufferStats(), dom.getDataBufferStats(), "Resource storage (" + FileUtils.fileName(dom.getFile()) + ")");
    db = (BFile) conf.getProperty(NativeValueIndex.FILE_KEY_IN_CONFIG);
    if (db != null) {
        genBufferDetails(db.getIndexBufferStats(), db.getDataBufferStats(), "Values index (" + FileUtils.fileName(db.getFile()) + ")");
    }
    this.contentHandler.endElement(NAMESPACE, "buffers", PREFIX + ":buffers");
}

Example 7 with DOMFile

use of org.exist.storage.dom.DOMFile in project exist by eXist-db.

the class DOMFileRecoverTest method get.

@Test
public void get() throws EXistException, IOException, BTreeException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        // Recover and read the data
        assertNotNull(broker);
        TransactionManager mgr = pool.getTransactionManager();
        assertNotNull(mgr);
        DOMFile domDb = ((NativeBroker) broker).getDOMFile();
        assertNotNull(domDb);
        domDb.setOwnerObject(this);
        IndexQuery query = new IndexQuery(IndexQuery.GT, new NativeBroker.NodeRef(500));
        assertNotNull(query);
        List<?> keys = domDb.findKeys(query);
        assertNotNull(keys);
        int count = 0;
        for (Iterator<?> i = keys.iterator(); i.hasNext(); count++) {
            Value key = (Value) i.next();
            assertNotNull(key);
            Value value = domDb.get(key);
            assertNotNull(value);
        }
        Writer writer = new StringWriter();
        domDb.dump(writer);
    }
}

Example 8 with DOMFile

use of org.exist.storage.dom.DOMFile in project exist by eXist-db.

the class BTreeRecoverTest method add.

private void add(final BrokerPool pool) throws EXistException, IOException, BTreeException, TerminatedException {
    // Add some random data and force db corruption
    final TransactionManager mgr = pool.getTransactionManager();
    final NodeIdFactory idFact = pool.getNodeFactory();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        broker.flush();
        final DOMFile domDb = ((NativeBroker) broker).getDOMFile();
        domDb.setOwnerObject(this);
        try (final Txn txn = mgr.beginTransaction()) {
            // put 1000 values into the btree
            for (int i = 1; i < 1001; i++) {
                final NodeId id = idFact.createInstance(i);
                domDb.addValue(txn, new NativeBroker.NodeRef(500, id), i);
            }
            final IndexQuery idx = new IndexQuery(IndexQuery.GT, new NativeBroker.NodeRef(500, idFact.createInstance(800)));
            domDb.remove(txn, idx, null);
            mgr.commit(txn);
        }
        // start a dirty, uncommitted transaction. This will be rolled back by the recovery.
        final Txn txn = mgr.beginTransaction();
        for (int i = 801; i < 2001; i++) {
            domDb.addValue(txn, new NativeBroker.NodeRef(500, idFact.createInstance(i)), i);
        }
        for (int i = 101; i < 301; i++) {
            domDb.addValue(txn, new NativeBroker.NodeRef(500, idFact.createInstance(i)), i * 3);
        }
        final IndexQuery idx = new IndexQuery(IndexQuery.GT, new NativeBroker.NodeRef(500, idFact.createInstance(600)));
        domDb.remove(txn, idx, null);
        // DO NOT COMMIT THE TRANSACTION!
        pool.getJournalManager().get().flush(true, false);
    }
}

Example 9 with DOMFile

use of org.exist.storage.dom.DOMFile in project exist by eXist-db.

the class BTreeRecoverTest method get.

private void get(final BrokerPool pool) throws EXistException, TerminatedException, IOException, BTreeException {
    final NodeIdFactory idFact = pool.getNodeFactory();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        final DOMFile domDb = ((NativeBroker) broker).getDOMFile();
        domDb.setOwnerObject(this);
        final IndexQuery query = new IndexQuery(IndexQuery.GEQ, new NativeBroker.NodeRef(500, idFact.createInstance(1)));
        domDb.query(query, new IndexCallback());
        assertEquals(count, 800);
    }
}