Examples with PostOrderAxis org.sirix.axis.PostOrderAxis used on opensource projects

Example 6 with PostOrderAxis

use of org.sirix.axis.PostOrderAxis in project sirix by sirixdb.

the class FMSE method getLabels.

/**
 * Creates a flat list of all nodes by doing an in-order-traversal. NOTE: Since this is not a
 * binary tree, we use post-order-traversal (wrong in paper). For each node type (element,
 * attribute, text, comment, ...) there is a separate list.
 *
 * @param rtx {@link XdmNodeReadTrx} reference
 * @param visitor {@link LabelFMSEVisitor} used to save node type/list
 */
private void getLabels(final XdmNodeReadTrx rtx, final LabelFMSEVisitor visitor) {
    assert rtx != null;
    assert visitor != null;
    final long nodeKey = rtx.getNodeKey();
    for (final AbstractAxis axis = new PostOrderAxis(rtx); axis.hasNext(); ) {
        axis.next();
        if (axis.getTrx().getNodeKey() == nodeKey) {
            break;
        }
        axis.getTrx().acceptVisitor(visitor);
    }
    rtx.acceptVisitor(visitor);
}