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Example 1 with OPType

use of org.sirix.index.path.summary.PathSummaryWriter.OPType in project sirix by sirixdb.

the class XdmNodeWriterTrxImpl method moveSubtreeToRightSibling.

@Override
public XdmNodeWriteTrx moveSubtreeToRightSibling(@Nonnegative final long fromKey) throws SirixException {
    acquireLock();
    try {
        if (fromKey < 0 || fromKey > getMaxNodeKey()) {
            throw new IllegalArgumentException("Argument must be a valid node key!");
        }
        if (fromKey == getCurrentNode().getNodeKey()) {
            throw new IllegalArgumentException("Can't move itself to first child of itself!");
        }
        // Save: Every node in the "usual" node page is of type Node.
        @SuppressWarnings("unchecked") final Optional<? extends Node> node = (Optional<? extends Node>) getPageTransaction().getRecord(fromKey, PageKind.RECORDPAGE, -1);
        if (!node.isPresent()) {
            throw new IllegalStateException("Node to move must exist!");
        }
        final Node nodeToMove = node.get();
        if (nodeToMove instanceof StructNode && getCurrentNode() instanceof StructNode) {
            final StructNode toMove = (StructNode) nodeToMove;
            checkAncestors(toMove);
            checkAccessAndCommit();
            final StructNode nodeAnchor = (StructNode) getCurrentNode();
            if (nodeAnchor.getRightSiblingKey() != nodeToMove.getNodeKey()) {
                final long parentKey = toMove.getParentKey();
                // Adapt hashes.
                adaptHashesForMove(toMove);
                // Adapt pointers and merge sibling text nodes.
                adaptForMove(toMove, nodeAnchor, InsertPos.ASRIGHTSIBLING);
                mNodeReader.moveTo(toMove.getNodeKey());
                adaptHashesWithAdd();
                // Adapt path summary.
                if (mBuildPathSummary && toMove instanceof NameNode) {
                    final NameNode moved = (NameNode) toMove;
                    final OPType type = moved.getParentKey() == parentKey ? OPType.MOVEDSAMELEVEL : OPType.MOVED;
                    mPathSummaryWriter.adaptPathForChangedNode(moved, getName(), moved.getURIKey(), moved.getPrefixKey(), moved.getLocalNameKey(), type);
                }
                // Recompute DeweyIDs if they are used.
                if (mDeweyIDsStored) {
                    computeNewDeweyIDs();
                }
            }
            return this;
        } else {
            throw new SirixUsageException("Move is not allowed if moved node is not an ElementNode or TextNode and the node isn't inserted at an ElementNode or TextNode!");
        }
    } finally {
        unLock();
    }
}
Also used : NameNode(org.sirix.node.interfaces.NameNode) Optional(java.util.Optional) OPType(org.sirix.index.path.summary.PathSummaryWriter.OPType) TextNode(org.sirix.node.TextNode) CommentNode(org.sirix.node.CommentNode) PINode(org.sirix.node.PINode) Node(org.sirix.node.interfaces.Node) ValueNode(org.sirix.node.interfaces.ValueNode) AttributeNode(org.sirix.node.AttributeNode) ImmutableNode(org.sirix.node.interfaces.immutable.ImmutableNode) StructNode(org.sirix.node.interfaces.StructNode) ElementNode(org.sirix.node.ElementNode) NamespaceNode(org.sirix.node.NamespaceNode) NameNode(org.sirix.node.interfaces.NameNode) SirixUsageException(org.sirix.exception.SirixUsageException) StructNode(org.sirix.node.interfaces.StructNode)

Aggregations

Optional (java.util.Optional)1 SirixUsageException (org.sirix.exception.SirixUsageException)1 OPType (org.sirix.index.path.summary.PathSummaryWriter.OPType)1 AttributeNode (org.sirix.node.AttributeNode)1 CommentNode (org.sirix.node.CommentNode)1 ElementNode (org.sirix.node.ElementNode)1 NamespaceNode (org.sirix.node.NamespaceNode)1 PINode (org.sirix.node.PINode)1 TextNode (org.sirix.node.TextNode)1 NameNode (org.sirix.node.interfaces.NameNode)1 Node (org.sirix.node.interfaces.Node)1 StructNode (org.sirix.node.interfaces.StructNode)1 ValueNode (org.sirix.node.interfaces.ValueNode)1 ImmutableNode (org.sirix.node.interfaces.immutable.ImmutableNode)1