Examples with SirixDeweyID org.sirix.node.SirixDeweyID used on opensource projects

Example 16 with SirixDeweyID

use of org.sirix.node.SirixDeweyID 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 17 with SirixDeweyID

use of org.sirix.node.SirixDeweyID in project sirix by sirixdb.

the class PageUtils method createTree.

/**
 * Create the initial tree structure.
 *
 * @param reference reference from revision root
 * @param pageKind the page kind
 */
public static void createTree(@Nonnull PageReference reference, final PageKind pageKind, final int index, final PageReadTrx pageReadTrx, final TransactionIntentLog log) {
    Page page = null;
    // Level page count exponent from the configuration.
    final int[] levelPageCountExp = pageReadTrx.getUberPage().getPageCountExp(pageKind);
    // Remaining levels.
    for (int i = 0, l = levelPageCountExp.length; i < l; i++) {
        page = new IndirectPage();
        log.put(reference, new PageContainer(page, page));
        reference = page.getReference(0);
    }
    // Create new record page.
    final UnorderedKeyValuePage ndp = new UnorderedKeyValuePage(Fixed.ROOT_PAGE_KEY.getStandardProperty(), pageKind, Constants.NULL_ID_LONG, pageReadTrx);
    // Create a {@link DocumentRootNode}.
    final Optional<SirixDeweyID> id = pageReadTrx.getResourceManager().getResourceConfig().mDeweyIDsStored ? Optional.of(SirixDeweyID.newRootID()) : Optional.empty();
    final NodeDelegate nodeDel = new NodeDelegate(Fixed.DOCUMENT_NODE_KEY.getStandardProperty(), Fixed.NULL_NODE_KEY.getStandardProperty(), Fixed.NULL_NODE_KEY.getStandardProperty(), 0, id);
    final StructNodeDelegate strucDel = new StructNodeDelegate(nodeDel, Fixed.NULL_NODE_KEY.getStandardProperty(), Fixed.NULL_NODE_KEY.getStandardProperty(), Fixed.NULL_NODE_KEY.getStandardProperty(), 0, 0);
    ndp.setEntry(0L, new DocumentRootNode(nodeDel, strucDel));
    log.put(reference, new PageContainer(ndp, ndp));
}

Example 18 with SirixDeweyID

use of org.sirix.node.SirixDeweyID in project sirix by sirixdb.

the class XdmNodeReadTrxImpl method getRightSiblingDeweyID.

@Override
public Optional<SirixDeweyID> getRightSiblingDeweyID() {
    if (mResourceManager.getResourceConfig().mDeweyIDsStored) {
        final StructNode node = getStructuralNode();
        final long nodeKey = node.getNodeKey();
        Optional<SirixDeweyID> deweyID = Optional.<SirixDeweyID>empty();
        if (node.hasRightSibling()) {
            // Right sibling node.
            deweyID = moveTo(node.getRightSiblingKey()).get().getDeweyID();
        }
        moveTo(nodeKey);
        return deweyID;
    }
    return Optional.<SirixDeweyID>empty();
}

Example 19 with SirixDeweyID

use of org.sirix.node.SirixDeweyID in project sirix by sirixdb.

the class XdmNodeWriterTrxImpl method insertElementAsFirstChild.

@Override
public XdmNodeWriteTrx insertElementAsFirstChild(final QNm name) throws SirixException {
    if (!XMLToken.isValidQName(checkNotNull(name))) {
        throw new IllegalArgumentException("The QName is not valid!");
    }
    acquireLock();
    try {
        final Kind kind = mNodeReader.getCurrentNode().getKind();
        if (kind == Kind.ELEMENT || kind == Kind.DOCUMENT) {
            checkAccessAndCommit();
            final long parentKey = mNodeReader.getCurrentNode().getNodeKey();
            final long leftSibKey = Fixed.NULL_NODE_KEY.getStandardProperty();
            final long rightSibKey = ((StructNode) mNodeReader.getCurrentNode()).getFirstChildKey();
            final long pathNodeKey = mBuildPathSummary ? mPathSummaryWriter.getPathNodeKey(name, Kind.ELEMENT) : 0;
            final Optional<SirixDeweyID> id = newFirstChildID();
            final ElementNode node = mNodeFactory.createElementNode(parentKey, leftSibKey, rightSibKey, 0, name, pathNodeKey, id);
            mNodeReader.setCurrentNode(node);
            adaptForInsert(node, InsertPos.ASFIRSTCHILD, PageKind.RECORDPAGE);
            mNodeReader.setCurrentNode(node);
            adaptHashesWithAdd();
            return this;
        } else {
            throw new SirixUsageException("Insert is not allowed if current node is not an ElementNode!");
        }
    } finally {
        unLock();
    }
}

Example 20 with SirixDeweyID

use of org.sirix.node.SirixDeweyID in project sirix by sirixdb.

the class XdmNodeWriterTrxImpl method computeNewDeweyIDs.

/**
 * Compute the new DeweyIDs.
 *
 * @throws SirixException if anything went wrong
 */
private void computeNewDeweyIDs() throws SirixException {
    SirixDeweyID id = null;
    if (hasLeftSibling() && hasRightSibling()) {
        id = SirixDeweyID.newBetween(getLeftSiblingDeweyID().get(), getRightSiblingDeweyID().get());
    } else if (hasLeftSibling()) {
        id = SirixDeweyID.newBetween(getLeftSiblingDeweyID().get(), null);
    } else if (hasRightSibling()) {
        id = SirixDeweyID.newBetween(null, getRightSiblingDeweyID().get());
    } else {
        id = mNodeReader.getParentDeweyID().get().getNewChildID();
    }
    assert id != null;
    final long nodeKey = mNodeReader.getCurrentNode().getNodeKey();
    final StructNode root = (StructNode) getPageTransaction().prepareEntryForModification(nodeKey, PageKind.RECORDPAGE, -1, Optional.<UnorderedKeyValuePage>empty());
    root.setDeweyID(Optional.of(id));
    if (root.hasFirstChild()) {
        final Node firstChild = (Node) getPageTransaction().prepareEntryForModification(root.getFirstChildKey(), PageKind.RECORDPAGE, -1, Optional.<UnorderedKeyValuePage>empty());
        firstChild.setDeweyID(Optional.of(id.getNewChildID()));
        int previousLevel = getDeweyID().get().getLevel();
        mNodeReader.moveTo(firstChild.getNodeKey());
        int attributeNr = 0;
        int nspNr = 0;
        for (@SuppressWarnings("unused") final long key : LevelOrderAxis.newBuilder(this).includeNonStructuralNodes().build()) {
            Optional<SirixDeweyID> deweyID = Optional.<SirixDeweyID>empty();
            if (isAttribute()) {
                final long attNodeKey = mNodeReader.getNodeKey();
                if (attributeNr == 0) {
                    deweyID = Optional.of(mNodeReader.getParentDeweyID().get().getNewAttributeID());
                } else {
                    mNodeReader.moveTo(attributeNr - 1);
                    deweyID = Optional.of(SirixDeweyID.newBetween(mNodeReader.getNode().getDeweyID().get(), null));
                }
                mNodeReader.moveTo(attNodeKey);
                attributeNr++;
            } else if (isNamespace()) {
                final long nspNodeKey = mNodeReader.getNodeKey();
                if (nspNr == 0) {
                    deweyID = Optional.of(mNodeReader.getParentDeweyID().get().getNewNamespaceID());
                } else {
                    mNodeReader.moveTo(nspNr - 1);
                    deweyID = Optional.of(SirixDeweyID.newBetween(mNodeReader.getNode().getDeweyID().get(), null));
                }
                mNodeReader.moveTo(nspNodeKey);
                nspNr++;
            } else {
                attributeNr = 0;
                nspNr = 0;
                if (previousLevel + 1 == getDeweyID().get().getLevel()) {
                    if (mNodeReader.hasLeftSibling()) {
                        deweyID = Optional.of(SirixDeweyID.newBetween(getLeftSiblingDeweyID().get(), null));
                    } else {
                        deweyID = Optional.of(getParentDeweyID().get().getNewChildID());
                    }
                } else {
                    previousLevel++;
                    deweyID = Optional.of(getParentDeweyID().get().getNewChildID());
                }
            }
            final Node node = (Node) getPageTransaction().prepareEntryForModification(mNodeReader.getCurrentNode().getNodeKey(), PageKind.RECORDPAGE, -1, Optional.<UnorderedKeyValuePage>empty());
            node.setDeweyID(deweyID);
        }
        mNodeReader.moveTo(nodeKey);
    }
}