Examples of org.exist.storage.DBBroker.openCollection()

org.exist.storage.DBBroker.openCollection()
Open a collection for reading or writing. The collection is identified by its absolute path, e.g. /db/shakespeare. It will be loaded and locked according to the lockMode argument. The caller should take care to release the collection lock properly. @param uri The collection path @param lockMode one of the modes specified in class {@link org.exist.storage.lock.Lock} @return collection or null if no collection matches the path

        final Txn transaction = transact.beginTransaction();
        DBBroker broker = null;
        Collection collection = null;
        try {
            broker = factory.getBrokerPool().get(user);
            collection = broker.openCollection(docUri.removeLastSegment(), Lock.WRITE_LOCK);
            if (collection == null) {
                transact.abort(transaction);
                throw new EXistException("Collection " + docUri.removeLastSegment() + " not found");
            }
            // keep the write lock in the transaction

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        final Txn transaction = transact.beginTransaction();
        DBBroker broker = null;
        Collection collection = null;
        try {
            broker = factory.getBrokerPool().get(user);
            collection = broker.openCollection(collURI, Lock.WRITE_LOCK);
            if (collection == null) {
              transact.abort(transaction);
                return false;
            }
            // keep the write lock in the transaction

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            boolean inclusive) throws EXistException, PermissionDeniedException {
        DBBroker broker = null;
        Collection collection = null;
        try {
            broker = factory.getBrokerPool().get(user);
            collection = broker.openCollection(collUri, Lock.READ_LOCK);
            if (collection == null)
                {throw new EXistException("collection " + collUri + " not found");}
            final Occurrences occurrences[] = broker.getElementIndex().scanIndexedElements(collection,
                    inclusive);
            final Vector<Vector<Object>> result = new Vector<Vector<Object>>(occurrences.length);

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            throws PermissionDeniedException, EXistException {
        DBBroker broker = null;
        Collection collection = null;
        try {
            broker = factory.getBrokerPool().get(user);
            collection = broker.openCollection(collUri, Lock.READ_LOCK);
            if (collection == null)
                {throw new EXistException("collection " + collUri + " not found");}
            final MutableDocumentSet docs = new DefaultDocumentSet();
            collection.allDocs(broker, docs, inclusive);
            final NodeSet nodes = docs.docsToNodeSet();

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        Collection destination = null;
        DocumentImpl doc = null;
        try {
          //TODO : use  transaction.registerLock(collection.getLock(), Lock.WRITE_LOCK);
            broker = factory.getBrokerPool().get(user);
            collection = broker.openCollection(docUri.removeLastSegment(), move ? Lock.WRITE_LOCK : Lock.READ_LOCK);
            if (collection == null) {
                transact.abort(transaction);
                throw new EXistException("Collection " + docUri.removeLastSegment() + " not found");
            }           
            doc = collection.getDocumentWithLock(broker, docUri.lastSegment(), Lock.WRITE_LOCK);

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                throw new EXistException("Document " + docUri + " not found");
            }
            //TODO : register the lock within the transaction ?
            
            // get destination collection
            destination = broker.openCollection(destUri, Lock.WRITE_LOCK);
            if(destination == null) {
                transact.abort(transaction);
                throw new EXistException("Destination collection " + destUri + " not found");
            }
            if(move)

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        Collection destination = null;
        try {
            broker = factory.getBrokerPool().get(user);
            // get source document
            //TODO : use  transaction.registerLock(collection.getLock(), Lock.WRITE_LOCK);
            collection = broker.openCollection(collUri, move ? Lock.WRITE_LOCK : Lock.READ_LOCK);
            if (collection == null) {
                transact.abort(transaction);
                throw new EXistException("Collection " + collUri + " not found");
            }            
            // get destination collection

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            if (collection == null) {
                transact.abort(transaction);
                throw new EXistException("Collection " + collUri + " not found");
            }            
            // get destination collection
            destination = broker.openCollection(destUri, Lock.WRITE_LOCK);
            if(destination == null) {
                transact.abort(transaction);
                throw new EXistException("Destination collection " + destUri + " not found");
            }            
            if(move)

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        BrokerPool pool = BrokerPool.getInstance();
        
    try {
      broker = pool.get(pool.getSecurityManager().getSystemSubject());
      
      Collection testCollection = broker.openCollection(TestConstants.TEST_COLLECTION_URI, Lock.READ_LOCK);
      try{


        XmldbURI docPath = TestConstants.TEST_COLLECTION_URI.append(DOCUMENT_NAME_URI);
        
        BinaryDocument binDoc = (BinaryDocument) broker.getXMLResource(docPath, Lock.NO_LOCK);

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            broker = pool.get(user);
            
            final XmldbURI collectionUri = XmldbURI.create(xmldbURL.getCollection());
            final XmldbURI documentUri = XmldbURI.create(xmldbURL.getDocumentName());
            
            collection = broker.openCollection(collectionUri, Lock.READ_LOCK);
            
            if(collection == null)
                {throw new IOException("Resource "+collectionUri.toString()+" is not a collection.");}
            
            if(collection.hasChildCollection(broker, documentUri))

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