Examples with Txn org.exist.storage.txn.Txn used on opensource projects

Example 96 with Txn

use of org.exist.storage.txn.Txn in project exist by eXist-db.

the class ReplaceTest method doUpdate.

@Override
protected void doUpdate(final DBBroker broker, final TransactionManager transact, final MutableDocumentSet docs) throws ParserConfigurationException, IOException, SAXException, LockException, XPathException, PermissionDeniedException, EXistException {
    final XUpdateProcessor proc = new XUpdateProcessor(broker, docs);
    assertNotNull(proc);
    try (final Txn transaction = transact.beginTransaction()) {
        String xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:append select=\"/products\">" + "       <product id=\"1\">" + "           <description>Product 1</description>" + "           <price>24.30</price>" + "           <stock>10</stock>" + "       </product>" + "   </xu:append>" + "</xu:modifications>";
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        assertNotNull(modifications);
        modifications[0].process(transaction);
        proc.reset();
        // append some new element to records
        for (int i = 1; i <= 200; i++) {
            xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:insert-before select=\"/products/product[1]\">" + "       <product>" + "           <xu:attribute name=\"id\"><xu:value-of select=\"count(/products/product) + 1\"/></xu:attribute>" + "           <description>Product " + i + "</description>" + "           <price>" + (i * 2.5) + "</price>" + "           <stock>" + (i * 10) + "</stock>" + "       </product>" + "   </xu:insert-before>" + "</xu:modifications>";
            proc.setBroker(broker);
            proc.setDocumentSet(docs);
            modifications = proc.parse(new InputSource(new StringReader(xupdate)));
            assertNotNull(modifications);
            modifications[0].process(transaction);
            proc.reset();
        }
        transact.commit(transaction);
    }
    // the following transaction will not be committed and thus undone during recovery
    final Txn transaction = transact.beginTransaction();
    // replace elements
    for (int i = 1; i <= 100; i++) {
        final String xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:replace select=\"/products/product[" + i + "]\">" + "     <product id=\"" + i + "\">" + "         <description>Replaced product</description>" + "         <price>" + (i * 0.75) + "</price>" + "     </product>" + " </xu:replace>" + "</xu:modifications>";
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        final Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        modifications[0].process(transaction);
        proc.reset();
    }
// DO NOT COMMIT TRANSACTION
}

Example 97 with Txn

use of org.exist.storage.txn.Txn in project exist by eXist-db.

the class ShutdownTest method storeAndShutdown.

public void storeAndShutdown() throws EXistException, PermissionDeniedException, IOException, SAXException, LockException, XPathException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final TransactionManager transact = pool.getTransactionManager();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        Collection test;
        try (final Txn transaction = transact.beginTransaction()) {
            test = broker.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI);
            assertNotNull(test);
            broker.saveCollection(transaction, test);
            // store some documents.
            for (final String sampleName : SAMPLES.getShakespeareXmlSampleNames()) {
                broker.storeDocument(transaction, XmldbURI.create(sampleName), new InputStreamSupplierInputSource(() -> SAMPLES.getShakespeareSample(sampleName)), MimeType.XML_TYPE, test);
            }
            final XQuery xquery = pool.getXQueryService();
            assertNotNull(xquery);
            final Sequence result = xquery.execute(broker, "//SPEECH[contains(LINE, 'love')]", null);
            assertNotNull(result);
            assertEquals(187, result.getItemCount());
            transact.commit(transaction);
        }
        try (final Txn transaction = transact.beginTransaction()) {
            broker.removeCollection(transaction, test);
            transact.commit(transaction);
        }
    }
}

Example 98 with Txn

use of org.exist.storage.txn.Txn in project exist by eXist-db.

the class BinaryDocumentTest method overwriteCollection.

@Test
public void overwriteCollection() throws EXistException, PermissionDeniedException, IOException, SAXException, LockException {
    final XmldbURI testCollectionUri = XmldbURI.create("/db/overwrite-collection-test");
    final XmldbURI thingUri = testCollectionUri.append("thing");
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Txn transaction = pool.getTransactionManager().beginTransaction()) {
        // create a collection
        final Collection thingCollection = broker.getOrCreateCollection(transaction, thingUri);
        broker.saveCollection(transaction, thingCollection);
        // attempt to create a binary document with the same uri as the thingCollection (should fail)
        final Collection testCollection = broker.getCollection(testCollectionUri);
        try {
            broker.storeDocument(transaction, thingUri.lastSegment(), new StringInputSource("binary-file".getBytes(UTF_8)), MimeType.BINARY_TYPE, testCollection);
            fail("Should not have been able to overwrite Collection with Binary Document");
        } catch (final EXistException e) {
            assertEquals("The collection '" + testCollectionUri.getRawCollectionPath() + "' already has a sub-collection named '" + thingUri.lastSegment().toString() + "', you cannot create a Document with the same name as an existing collection.", e.getMessage());
        }
    }
}

Example 99 with Txn

use of org.exist.storage.txn.Txn in project exist by eXist-db.

the class CopyCollectionRecoveryTest method store.

private void store() throws EXistException, PermissionDeniedException, IOException, SAXException, LockException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final TransactionManager transact = pool.getTransactionManager();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Txn transaction = transact.beginTransaction()) {
        final Collection root = broker.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI);
        broker.saveCollection(transaction, root);
        final Collection test = broker.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI.append("test2"));
        broker.saveCollection(transaction, test);
        final String sample = getSampleData();
        broker.storeDocument(transaction, XmldbURI.create("test.xml"), new StringInputSource(sample), MimeType.XML_TYPE, test);
        final Collection dest = broker.getOrCreateCollection(transaction, XmldbURI.ROOT_COLLECTION_URI.append("destination"));
        broker.saveCollection(transaction, dest);
        broker.copyCollection(transaction, test, dest, XmldbURI.create("test3"));
        transact.commit(transaction);
    }
}

Example 100 with Txn

use of org.exist.storage.txn.Txn in project exist by eXist-db.

the class CopyCollectionRecoveryTest method storeAborted.

private void storeAborted() throws EXistException, PermissionDeniedException, IOException, SAXException, LockException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final TransactionManager transact = pool.getTransactionManager();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        Collection test2;
        try (final Txn transaction = transact.beginTransaction()) {
            final Collection root = broker.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI);
            assertNotNull(root);
            broker.saveCollection(transaction, root);
            test2 = broker.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI.append("test2"));
            assertNotNull(test2);
            broker.saveCollection(transaction, test2);
            final String sample = getSampleData();
            broker.storeDocument(transaction, XmldbURI.create("test.xml"), new StringInputSource(sample), MimeType.XML_TYPE, test2);
            transact.commit(transaction);
        }
        final Txn transaction = transact.beginTransaction();
        final Collection dest = broker.getOrCreateCollection(transaction, XmldbURI.ROOT_COLLECTION_URI.append("destination"));
        assertNotNull(dest);
        broker.saveCollection(transaction, dest);
        broker.copyCollection(transaction, test2, dest, XmldbURI.create("test3"));
        // DO NOT COMMIT TRANSACTION
        pool.getJournalManager().get().flush(true, false);
    }
}