Examples of org.exist.storage.DBBroker

org.exist.storage.DBBroker
This is the base class for all database backends. All the basic database operations like storing, removing or index access are provided by subclasses of this class. @author Wolfgang Meier

      } catch(final URISyntaxException e) {
        throw new RemoteException("Invalid collection URI",e);
      }
    }
    public org.exist.soap.EntityPermissionsList listCollectionPermissions(java.lang.String sessionId, XmldbURI name) throws java.rmi.RemoteException {
        DBBroker broker = null;
        final Session session = getSession(sessionId);
        final Subject user = session.getUser();
        Collection collection = null;
        try {
            broker = pool.get(user);
            collection = broker.openCollection(name, Lock.READ_LOCK);
            if (collection == null)
                {throw new EXistException("Collection " + name + " not found");}
            if (!collection.getPermissionsNoLock().validate(user, Permission.READ))
                {throw new PermissionDeniedException(
                        "not allowed to read collection " + name);}
            final EntityPermissions[] result = new EntityPermissions[collection.getChildCollectionCount(broker)];
            XmldbURI child, path;
            Collection childColl;
            Permission perm;
            int cnt = 0;
            for (final Iterator<XmldbURI> i = collection.collectionIterator(broker); i.hasNext(); ) {
                child = i.next();
                path = name.append(child);
                childColl = broker.getCollection(path);
                perm = childColl.getPermissionsNoLock();
                result[cnt] = new EntityPermissions();
                result[cnt].setName(child.toString());
                result[cnt].setOwner(perm.getOwner().getName());
                result[cnt].setGroup(perm.getGroup().getName());

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      } catch(final URISyntaxException e) {
        throw new RemoteException("Invalid collection URI",e);
      }
    }
    public org.exist.soap.EntityPermissionsList listDocumentPermissions(java.lang.String sessionId, XmldbURI name) throws java.rmi.RemoteException {
        DBBroker broker = null;
        final Session session = getSession(sessionId);
        final Subject user = session.getUser();
        Collection collection = null;
        try {
            broker = pool.get(user);
            collection = broker.openCollection(name, Lock.READ_LOCK);
            if (collection == null)
                {throw new EXistException("Collection " + name + " not found");}
            if (!collection.getPermissionsNoLock().validate(user, Permission.READ))
                {throw new PermissionDeniedException(
                        "not allowed to read collection " + name);}

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      } catch(final URISyntaxException e) {
        throw new RemoteException("Invalid collection URI",e);
      }
    }
    public org.exist.soap.IndexedElements getIndexedElements(java.lang.String sessionId, XmldbURI collectionName, boolean inclusive) throws java.rmi.RemoteException {
        DBBroker broker = null;
        final Session session = getSession(sessionId);
        final Subject user = session.getUser();
        Collection collection = null;
        try {
            broker = pool.get(user);
            collection = broker.openCollection(collectionName, Lock.READ_LOCK);
            if (collection == null)
                {throw new EXistException("collection " + collectionName
                        + " not found");}
            final Occurrences occurrences[] = broker.getElementIndex().scanIndexedElements(collection,
                    inclusive);
            final IndexedElement[] result = new IndexedElement[occurrences.length];
            for (int i = 0; i < occurrences.length; i++) {
                final QName qname = (QName)occurrences[i].getTerm();
                result[i] = new IndexedElement(qname.getLocalName(),qname.getNamespaceURI(),

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     * Set the owner of this resource for purposes of permission management.
     *
     * @param owner the new owner of this resource
     */
    public void owner(String owner) {
                    DBBroker broker = null;
                    try {
                        broker = db.acquireBroker();
                        permissions.setOwner(owner);
                    } catch(PermissionDeniedException pde) {
                        throw new DatabaseException(pde.getMessage(), pde);

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     * Set the group that will have privileged access to this resource for purposes of permission management.
     *
     * @param group the new owning group of this resource
     */
    public void group(String group) {
                    DBBroker broker = null;
                    try {
                        broker = db.acquireBroker();
                        permissions.setGroup(group);
                    } catch(PermissionDeniedException pde) {
                        throw new DatabaseException(pde.getMessage(), pde);

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   *
   * @param writer destination writer
   */
  public void write(Writer writer) {
    staleMarker.check();
    DBBroker broker = null;
    try {
      broker = db.acquireBroker();
      broker.getSerializer().serialize(doc, writer);
    } catch (SAXException e) {
      throw new DatabaseException(e);
    } finally {
      db.releaseBroker(broker);
    }

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    @Test
    public void simpleQueries() {
        System.out.println("Test simple queries ...");
        DocumentSet docs = configureAndStore(COLLECTION_CONFIG1, XML1, "test.xml");
        DBBroker broker = null;
        try {
            broker = pool.get(pool.getSecurityManager().getSystemSubject());
            assertNotNull(broker);


            checkIndex(docs, broker, new QName[] { new QName("head", "") }, "title", 1);
            Occurrences[] o = checkIndex(docs, broker, new QName[]{new QName("p", "")}, "with", 1);
            assertEquals(2, o[0].getOccurrences());
            checkIndex(docs, broker, new QName[] { new QName("hi", "") }, "just", 1);
            checkIndex(docs, broker, null, "in", 1);


            QName attrQN = new QName("rend", "");
            attrQN.setNameType(ElementValue.ATTRIBUTE);
            checkIndex(docs, broker, new QName[] { attrQN }, null, 2);
            checkIndex(docs, broker, new QName[] { attrQN }, "center", 1);
            checkIndex(docs, broker, new QName[] { attrQN }, "right", 1);


            XQuery xquery = broker.getXQueryService();
            assertNotNull(xquery);
            Sequence seq = xquery.execute("/section[ft:query(p, 'content')]", null, AccessContext.TEST);
            assertNotNull(seq);
            assertEquals(1, seq.getItemCount());

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    }


    @Test
    public void configuration() {
        DocumentSet docs = configureAndStore(COLLECTION_CONFIG4, XML4, "test.xml");
        DBBroker broker = null;
        try {
            broker = pool.get(pool.getSecurityManager().getSystemSubject());
            assertNotNull(broker);


            checkIndex(docs, broker, new QName[] { new QName("a", "") }, "x", 1);
            checkIndex(docs, broker, new QName[] { new QName("c", "") }, "x", 1);


            XQuery xquery = broker.getXQueryService();
            assertNotNull(xquery);
            Sequence seq = xquery.execute("/test[ft:query(a, 'x')]", null, AccessContext.TEST);
            assertNotNull(seq);
            assertEquals(1, seq.getItemCount());

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    @Test
    public void inlineAndIgnore() {
        System.out.println("Test simple queries ...");
        DocumentSet docs = configureAndStore(COLLECTION_CONFIG5, XML5, "test.xml");
        DBBroker broker = null;
        try {
            broker = pool.get(pool.getSecurityManager().getSystemSubject());
            assertNotNull(broker);


            checkIndex(docs, broker, new QName[] { new QName("head", "") }, "title", 1);
            checkIndex(docs, broker, new QName[] { new QName("p", "") }, "simple", 1);
            checkIndex(docs, broker, new QName[] { new QName("p", "") }, "mixed", 1);
            checkIndex(docs, broker, new QName[] { new QName("p", "") }, "dangerous", 1);
            checkIndex(docs, broker, new QName[] { new QName("p", "") }, "note", 0);
            checkIndex(docs, broker, new QName[] { new QName("p", "") }, "ignore", 0);
            checkIndex(docs, broker, new QName[] { new QName("p", "") }, "warnings", 1);


            XQuery xquery = broker.getXQueryService();
            assertNotNull(xquery);
            Sequence seq = xquery.execute("/article[ft:query(head, 'title')]", null, AccessContext.TEST);
            assertNotNull(seq);
            assertEquals(1, seq.getItemCount());

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    }


    @Test
    public void boosts() {
        configureAndStore(COLLECTION_CONFIG6, XML6, "test.xml");
        DBBroker broker = null;
        try {
            broker = pool.get(pool.getSecurityManager().getSystemSubject());
            assertNotNull(broker);


            XQuery xquery = broker.getXQueryService();
            assertNotNull(xquery);
            Sequence seq = xquery.execute("for $a in ft:query((//b|//c), 'AAA') " +
                    "order by ft:score($a) descending return $a/local-name(.)", null, AccessContext.TEST);
            assertNotNull(seq);
            assertEquals(3, seq.getItemCount());

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