Examples of org.exist.storage.dom.DOMTransaction

org.exist.storage.dom.DOMTransaction
DOMTransaction controls access to the DOM file This implements a wrapper around the code passed in method start(). The class acquires a lock on the file, enters the locked code block and calls start. @author wolf

     */
    @Override
    public void insertNodeAfter(final Txn transaction, final StoredNode previous, final StoredNode node) {
        final byte data[] = node.serialize();
        final DocumentImpl doc = (DocumentImpl) previous.getOwnerDocument();
        new DOMTransaction(this, domDb, Lock.WRITE_LOCK, doc) {
            @Override
            public Object start() {
                long address = previous.getInternalAddress();
                if(address != BFile.UNKNOWN_ADDRESS) {
                    address = domDb.insertAfter(transaction, doc, address, data);

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     */
    @Override
    public void removeNode(final Txn transaction, final StoredNode node, final NodePath currentPath,
                           final String content) {
        final DocumentImpl doc = (DocumentImpl) node.getOwnerDocument();
        new DOMTransaction(this, domDb, Lock.WRITE_LOCK, doc) {
            @Override
            public Object start() {
                final long address = node.getInternalAddress();
                if(StorageAddress.hasAddress(address)) {
                    domDb.remove(transaction, new NodeRef(doc.getDocId(), node.getNodeId()), address);

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        }
    }


    @Override
    public String getNodeValue(final StoredNode node, final boolean addWhitespace) {
        return (String) new DOMTransaction(this, domDb, Lock.READ_LOCK) {
            @Override
            public Object start() {
                return domDb.getNodeValue(NativeBroker.this, node, addWhitespace);
            }
        }.run();

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        }.run();
    }


    @Override
    public StoredNode objectWith(final Document doc, final NodeId nodeId) {
        return (StoredNode) new DOMTransaction(this, domDb, Lock.READ_LOCK) {
            @Override
            public Object start() {
                final Value val = domDb.get(NativeBroker.this, new NodeProxy((DocumentImpl) doc, nodeId));
                if(val == null) {
                    if(LOG.isDebugEnabled()) {

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    @Override
    public StoredNode objectWith(final NodeProxy p) {
        if(!StorageAddress.hasAddress(p.getInternalAddress())) {
            return objectWith(p.getDocument(), p.getNodeId());
        }
        return (StoredNode) new DOMTransaction(this, domDb, Lock.READ_LOCK) {
            @Override
            public Object start() {
                // DocumentImpl sets the nodeId to DOCUMENT_NODE when it's trying to find its top-level
                // children (for which it doesn't persist the actual node ids), so ignore that.  Nobody else
                // should be passing DOCUMENT_NODE into here.

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    public void sync(final int syncEvent) {
        if(isReadOnly()) {
            return;
        }
        try {
            new DOMTransaction(this, domDb, Lock.WRITE_LOCK) {
                @Override
                public Object start() {
                    try {
                        domDb.flush();
                    } catch(final DBException e) {

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    }


    //TODO UNDERSTAND : why not use shutdown ? -pb
    @Override
    public void closeDocument() {
        new DOMTransaction(this, domDb, Lock.WRITE_LOCK) {
            @Override
            public Object start() {
                domDb.closeDocument();
                return null;
            }

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Related Classes of org.exist.storage.dom.DOMTransaction

org.exist.backup.ConsistencyCheck

org.exist.storage.lock.Lock

org.exist.storage.NativeBroker

org.exist.storage.NativeBroker$NodeProcessor

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