Examples with Node org.sirix.node.interfaces.Node used on opensource projects

Example 11 with Node

use of org.sirix.node.interfaces.Node in project sirix by sirixdb.

the class XdmNodeWriterTrxImpl method insertNamespace.

@Override
public XdmNodeWriteTrx insertNamespace(final QNm name, final Movement move) throws SirixException {
    if (!XMLToken.isValidQName(checkNotNull(name))) {
        throw new IllegalArgumentException("The QName is not valid!");
    }
    acquireLock();
    try {
        if (getCurrentNode().getKind() == Kind.ELEMENT) {
            checkAccessAndCommit();
            for (int i = 0, namespCount = ((ElementNode) getCurrentNode()).getNamespaceCount(); i < namespCount; i++) {
                moveToNamespace(i);
                final QNm qName = getName();
                if (name.getPrefix().equals(qName.getPrefix())) {
                    throw new SirixUsageException("Duplicate namespace!");
                }
                moveToParent();
            }
            final long pathNodeKey = mBuildPathSummary ? mPathSummaryWriter.getPathNodeKey(name, Kind.NAMESPACE) : 0;
            final long elementKey = getCurrentNode().getNodeKey();
            final Optional<SirixDeweyID> id = newNamespaceID();
            final NamespaceNode node = mNodeFactory.createNamespaceNode(elementKey, name, pathNodeKey, id);
            final Node parentNode = (Node) getPageTransaction().prepareEntryForModification(node.getParentKey(), PageKind.RECORDPAGE, -1, Optional.<UnorderedKeyValuePage>empty());
            ((ElementNode) parentNode).insertNamespace(node.getNodeKey());
            mNodeReader.setCurrentNode(node);
            adaptHashesWithAdd();
            if (move == Movement.TOPARENT) {
                moveToParent();
            }
            return this;
        } else {
            throw new SirixUsageException("Insert is not allowed if current node is not an ElementNode!");
        }
    } finally {
        unLock();
    }
}

Example 12 with Node

use of org.sirix.node.interfaces.Node in project sirix by sirixdb.

the class XdmResourceManager method getDocumentNode.

Node getDocumentNode(final PageReadTrx pageReadTrx) {
    final Node documentNode;
    @SuppressWarnings("unchecked") final Optional<? extends Node> node = (Optional<? extends Node>) pageReadTrx.getRecord(Fixed.DOCUMENT_NODE_KEY.getStandardProperty(), PageKind.RECORDPAGE, -1);
    if (node.isPresent()) {
        documentNode = node.get();
    } else {
        pageReadTrx.close();
        throw new IllegalStateException("Node couldn't be fetched from persistent storage!");
    }
    return documentNode;
}

Example 13 with Node

use of org.sirix.node.interfaces.Node in project sirix by sirixdb.

the class UnorderedKeyValuePage method addReferences.

// Add references to OverflowPages.
private void addReferences() throws IOException {
    final boolean storeDeweyIDs = mPageReadTrx.getResourceManager().getResourceConfig().mDeweyIDsStored;
    final List<Entry<Long, Record>> entries = sort();
    final Iterator<Entry<Long, Record>> it = entries.iterator();
    while (it.hasNext()) {
        final Entry<Long, Record> entry = it.next();
        final Record record = entry.getValue();
        final long recordID = record.getNodeKey();
        if (mSlots.get(recordID) == null) {
            // Must be either a normal record or one which requires an
            // Overflow page.
            final ByteArrayOutputStream output = new ByteArrayOutputStream();
            final DataOutput out = new DataOutputStream(output);
            mPersistenter.serialize(out, record, mPageReadTrx);
            final byte[] data = output.toByteArray();
            if (data.length > PageConstants.MAX_RECORD_SIZE) {
                final PageReference reference = new PageReference();
                reference.setPage(new OverflowPage(data));
                mReferences.put(recordID, reference);
            } else {
                if (storeDeweyIDs && mPersistenter instanceof NodePersistenter && record instanceof Node && ((Node) record).getDeweyID().isPresent() && record.getNodeKey() != 0)
                    mDeweyIDs.put(((Node) record).getDeweyID().get(), record.getNodeKey());
                mSlots.put(recordID, data);
            }
        }
    }
    mAddedReferences = true;
}

Example 14 with Node

use of org.sirix.node.interfaces.Node in project sirix by sirixdb.

the class TreeCellRenderer method getTreeCellRendererComponent.

@Override
public Component getTreeCellRendererComponent(final JTree pTree, Object pValue, final boolean pSel, final boolean pExpanded, final boolean pLeaf, final int pRow, final boolean pHasFocus) throws IllegalStateException {
    final Node node = (Node) pValue;
    final long key = node.getNodeKey();
    switch(node.getKind()) {
        case ELEMENT:
            mRTX.moveTo(node.getNodeKey());
            final String prefix = mRTX.getName().getPrefix();
            final QNm qName = mRTX.getName();
            if (prefix == null || prefix.equals(XMLConstants.DEFAULT_NS_PREFIX)) {
                final String localPart = qName.getLocalName();
                if (mRTX.hasFirstChild()) {
                    pValue = new StringBuilder("<").append(localPart).append(">").toString();
                } else {
                    pValue = new StringBuilder("<").append(localPart).append("/>").toString();
                }
            } else {
                pValue = new StringBuilder("<").append(prefix).append(":").append(qName.getLocalName()).append(">").toString();
            }
            break;
        case ATTRIBUTE:
            // Move transaction to parent of the attribute node.
            mRTX.moveTo(node.getParentKey());
            final long aNodeKey = node.getNodeKey();
            for (int i = 0, attsCount = mRTX.getAttributeCount(); i < attsCount; i++) {
                mRTX.moveToAttribute(i);
                if (mRTX.getNodeKey() == key) {
                    break;
                }
                mRTX.moveTo(aNodeKey);
            }
            // Display value.
            final String attPrefix = mRTX.getName().getPrefix();
            final QNm attQName = mRTX.getName();
            if (attPrefix == null || attPrefix.equals("")) {
                pValue = new StringBuilder("@").append(attQName.getLocalName()).append("='").append(mRTX.getValue()).append("'").toString();
            } else {
                pValue = new StringBuilder("@").append(attPrefix).append(":").append(attQName.getLocalName()).append("='").append(mRTX.getValue()).append("'").toString();
            }
            break;
        case NAMESPACE:
            // Move transaction to parent the namespace node.
            mRTX.moveTo(node.getParentKey());
            final long nNodeKey = node.getNodeKey();
            for (int i = 0, namespCount = mRTX.getNamespaceCount(); i < namespCount; i++) {
                mRTX.moveToNamespace(i);
                if (mRTX.getNodeKey() == key) {
                    break;
                }
                mRTX.moveTo(nNodeKey);
            }
            if (mRTX.nameForKey(mRTX.getPrefixKey()).length() == 0) {
                pValue = new StringBuilder("xmlns='").append(mRTX.nameForKey(mRTX.getURIKey())).append("'").toString();
            } else {
                pValue = new StringBuilder("xmlns:").append(mRTX.nameForKey(mRTX.getPrefixKey())).append("='").append(mRTX.nameForKey(mRTX.getURIKey())).append("'").toString();
            }
            break;
        case TEXT:
            mRTX.moveTo(node.getNodeKey());
            pValue = mRTX.getValue();
            break;
        case COMMENT:
            mRTX.moveTo(node.getNodeKey());
            pValue = new StringBuilder("<!-- ").append(mRTX.getValue()).append(" -->").toString();
            break;
        case PROCESSING_INSTRUCTION:
            mRTX.moveTo(node.getNodeKey());
            pValue = new StringBuilder("<? ").append(mRTX.getValue()).append(" ?>").toString();
            break;
        case DOCUMENT:
            pValue = "Doc: " + mPATH;
            break;
        case WHITESPACE:
            break;
        default:
            throw new IllegalStateException("Node kind not known!");
    }
    pValue += new StringBuilder(" [").append(key).append("]").toString();
    super.getTreeCellRendererComponent(pTree, pValue, pSel, pExpanded, pLeaf, pRow, pHasFocus);
    setBackground(null);
    setBackgroundNonSelectionColor(null);
    setBackgroundSelectionColor(null);
    if (!selected) {
        switch(node.getKind()) {
            case DOCUMENT:
                setForeground(DOC_COLOR);
                break;
            case ELEMENT:
                setForeground(ELEMENT_COLOR);
                break;
            case ATTRIBUTE:
                setForeground(ATTRIBUTE_COLOR);
                break;
            default:
        }
    } else {
        setForeground(WHITE);
    }
    return this;
}

Example 15 with Node

use of org.sirix.node.interfaces.Node in project sirix by sirixdb.

the class TreeModel method getIndexOfChild.

@Override
public int getIndexOfChild(final Object pParent, final Object pChild) {
    if (pParent == null || pChild == null) {
        return -1;
    }
    // Parent node.
    mRtx.moveTo(((Node) pParent).getNodeKey());
    final Node parentNode = (Node) pParent;
    // Child node.
    final Node childNode = (Node) pChild;
    // Return value.
    int index = -1;
    // Values needed.
    final long nodeKey = parentNode.getNodeKey();
    int namespCount = 0;
    int attCount = 0;
    switch(childNode.getKind()) {
        case NAMESPACE:
            namespCount = mRtx.getNamespaceCount();
            for (int i = 0; i < namespCount; i++) {
                mRtx.moveToNamespace(i);
                if (mRtx.getNodeKey() == childNode.getNodeKey()) {
                    index = i;
                    break;
                }
                mRtx.moveTo(nodeKey);
            }
            break;
        case ATTRIBUTE:
            namespCount = mRtx.getNamespaceCount();
            attCount = mRtx.getAttributeCount();
            for (int i = 0; i < attCount; i++) {
                mRtx.moveToAttribute(i);
                if (mRtx.getNodeKey() == childNode.getNodeKey()) {
                    index = namespCount + i;
                    break;
                }
                mRtx.moveTo(nodeKey);
            }
            break;
        case WHITESPACE:
            break;
        case ELEMENT:
        case COMMENT:
        case PROCESSING_INSTRUCTION:
        case TEXT:
            if (parentNode.getKind() == Kind.ELEMENT) {
                namespCount = mRtx.getNamespaceCount();
                attCount = mRtx.getAttributeCount();
            }
            final long childCount = mRtx.getChildCount();
            if (childCount == 0) {
                throw new IllegalStateException("May not happen!");
            }
            for (int i = 0; i < childCount; i++) {
                if (i == 0) {
                    mRtx.moveToFirstChild();
                } else {
                    mRtx.moveToRightSibling();
                }
                if (mRtx.getNodeKey() == childNode.getNodeKey()) {
                    index = namespCount + attCount + i;
                    break;
                }
            }
            break;
        default:
            throw new IllegalStateException("Child node kind not known! ");
    }
    return index;
}