Examples with Collection org.exist.collections.Collection used on opensource projects

Example 46 with Collection

use of org.exist.collections.Collection in project exist by eXist-db.

the class NGramIndexWorker method search.

public NodeSet search(final int contextId, final DocumentSet docs, final List<QName> qnames, final String query, final String ngram, final XQueryContext context, final NodeSet contextSet, final int axis) throws XPathException {
    final List<QName> searchQnames;
    if (qnames == null || qnames.isEmpty()) {
        searchQnames = getDefinedIndexes(context.getBroker(), docs);
    } else {
        searchQnames = qnames;
    }
    final NodeSet result = new ExtArrayNodeSet(docs.getDocumentCount(), 250);
    for (final Iterator<Collection> iter = docs.getCollectionIterator(); iter.hasNext(); ) {
        final int collectionId = iter.next().getId();
        for (final QName qname : searchQnames) {
            final NGramQNameKey key = new NGramQNameKey(collectionId, qname, index.getBrokerPool().getSymbols(), query);
            try (final ManagedLock<ReentrantLock> dbLock = lockManager.acquireBtreeReadLock(index.db.getLockName())) {
                final SearchCallback cb = new SearchCallback(contextId, query, ngram, docs, contextSet, context, result, axis == NodeSet.ANCESTOR);
                final int op = query.codePointCount(0, query.length()) < getN() ? IndexQuery.TRUNC_RIGHT : IndexQuery.EQ;
                index.db.query(new IndexQuery(op, key), cb);
            } catch (final LockException e) {
                LOG.warn("Failed to acquire lock for '{}'", FileUtils.fileName(index.db.getFile()), e);
            } catch (final IOException | BTreeException e) {
                LOG.error("{} in '{}'", e.getMessage(), FileUtils.fileName(index.db.getFile()), e);
            }
        }
    }
    // ensure result is ready to use
    result.iterate();
    return result;
}

Example 47 with Collection

use of org.exist.collections.Collection in project exist by eXist-db.

the class LuceneMatchListenerTest method startDB.

@BeforeClass
public static void startDB() throws DatabaseConfigurationException, EXistException, PermissionDeniedException, IOException, TriggerException {
    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);
        assertNotNull(root);
        broker.saveCollection(transaction, root);
        transact.commit(transaction);
    }
    final Map<String, String> m = new HashMap<>();
    m.put(Namespaces.EXIST_NS_PREFIX, Namespaces.EXIST_NS);
    final NamespaceContext ctx = new SimpleNamespaceContext(m);
    XMLUnit.setXpathNamespaceContext(ctx);
}

Example 48 with Collection

use of org.exist.collections.Collection in project exist by eXist-db.

the class ExistDocument method delete.

/**
 * Remove document from database.
 */
void delete() {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Deleting {}", xmldbUri);
    }
    // Need to split path into collection and document name
    final XmldbURI collName = xmldbUri.removeLastSegment();
    final XmldbURI docName = xmldbUri.lastSegment();
    final TransactionManager txnManager = brokerPool.getTransactionManager();
    try (final DBBroker broker = brokerPool.get(Optional.ofNullable(subject));
        final Txn txn = txnManager.beginTransaction();
        final Collection collection = broker.openCollection(collName, LockMode.WRITE_LOCK)) {
        // Open collection if possible, else abort
        if (collection == null) {
            LOG.debug("Collection does not exist");
            txnManager.abort(txn);
            return;
        }
        // Open document if possible, else abort
        try (final LockedDocument lockedResource = collection.getDocumentWithLock(broker, docName, LockMode.WRITE_LOCK)) {
            if (lockedResource == null) {
                LOG.debug("No resource found for path: {}", xmldbUri);
                txnManager.abort(txn);
                return;
            }
            final DocumentImpl resource = lockedResource.getDocument();
            if (resource.getResourceType() == DocumentImpl.BINARY_FILE) {
                collection.removeBinaryResource(txn, broker, resource.getFileURI());
            } else {
                collection.removeXMLResource(txn, broker, resource.getFileURI());
            }
            // NOTE: early release of Collection lock inline with Asymmetrical Locking scheme
            collection.close();
            // Commit change
            txnManager.commit(txn);
            if (LOG.isDebugEnabled()) {
                LOG.debug("Document deleted sucessfully");
            }
        }
    } catch (final LockException e) {
        LOG.error("Resource is locked.", e);
    } catch (final EXistException | IOException | TriggerException | PermissionDeniedException e) {
        LOG.error(e);
    } finally {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Finished delete");
        }
    }
}

Example 49 with Collection

use of org.exist.collections.Collection in project exist by eXist-db.

the class ExistResourceFactory method getResourceType.

/*
     * Returns the resource type indicated by the path: either COLLECTION, DOCUMENT or NOT_EXISTING.
     */
private ResourceType getResourceType(BrokerPool brokerPool, XmldbURI xmldbUri) {
    ResourceType type = ResourceType.NOT_EXISTING;
    // MacOsX finder specific files
    String documentSeqment = xmldbUri.lastSegment().toString();
    if (documentSeqment.startsWith("._") || documentSeqment.equals(".DS_Store")) {
    // LOG.debug(String.format("Ignoring MacOSX file '%s'", xmldbUri.lastSegment().toString()));
    // return ResourceType.IGNORABLE;
    }
    // Documents that start with a dot
    if (documentSeqment.startsWith(".")) {
    // LOG.debug(String.format("Ignoring '.' file '%s'", xmldbUri.lastSegment().toString()));
    // return ResourceType.IGNORABLE;
    }
    // is performed.
    try (final DBBroker broker = brokerPool.get(Optional.of(brokerPool.getSecurityManager().getSystemSubject()));
        final Collection collection = broker.openCollection(xmldbUri, LockMode.READ_LOCK)) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Path: {}", xmldbUri);
        }
        // First check if resource is a collection
        if (collection != null) {
            type = ResourceType.COLLECTION;
        } else {
            // If it is not a collection, check if it is a document
            try (final LockedDocument lockedDoc = broker.getXMLResource(xmldbUri, LockMode.READ_LOCK)) {
                if (lockedDoc != null) {
                    // Document is found
                    type = ResourceType.DOCUMENT;
                } else {
                    // No document and no collection.
                    type = ResourceType.NOT_EXISTING;
                }
            }
        }
    } catch (final Exception ex) {
        LOG.error("Error determining nature of resource {}", xmldbUri.toString(), ex);
        type = ResourceType.NOT_EXISTING;
    }
    if (LOG.isDebugEnabled()) {
        LOG.debug("Resource type={}", type.toString());
    }
    return type;
}

Example 50 with Collection

use of org.exist.collections.Collection in project exist by eXist-db.

the class ExistCollection method initMetadata.

/**
 * Initialize Collection, authenticate() is required first
 */
@Override
public void initMetadata() {
    if (subject == null) {
        LOG.error("User not initialized yet");
        return;
    }
    // check if initialization is required
    if (isInitialized) {
        LOG.debug("Already initialized");
        return;
    }
    try (final DBBroker broker = brokerPool.get(Optional.of(subject));
        final Collection collection = broker.openCollection(xmldbUri, LockMode.READ_LOCK)) {
        if (collection == null) {
            LOG.error("Collection for {} cannot be opened for metadata", xmldbUri);
            return;
        }
        // Retrieve some meta data
        permissions = collection.getPermissionsNoLock();
        readAllowed = permissions.validate(subject, Permission.READ);
        writeAllowed = permissions.validate(subject, Permission.WRITE);
        executeAllowed = permissions.validate(subject, Permission.EXECUTE);
        creationTime = collection.getCreated();
        // Collection does not have more information.
        lastModified = creationTime;
        ownerUser = permissions.getOwner().getUsername();
        ownerGroup = permissions.getGroup().getName();
    } catch (final PermissionDeniedException | EXistException pde) {
        LOG.error(pde);
    }
    // Set flag
    isInitialized = true;
}