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

Example 1 with ValueNode

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

the class CASIndexListener method listen.

@Override
public void listen(final ChangeType type, final ImmutableNode node, final long pathNodeKey) throws SirixIOException {
    if (node instanceof ValueNode) {
        final ValueNode valueNode = ((ValueNode) node);
        mPathSummaryReader.moveTo(pathNodeKey);
        try {
            switch(type) {
                case INSERT:
                    if (mPathSummaryReader.getPCRsForPaths(mPaths).contains(pathNodeKey)) {
                        insert(valueNode, pathNodeKey);
                    }
                    break;
                case DELETE:
                    if (mPathSummaryReader.getPCRsForPaths(mPaths).contains(pathNodeKey)) {
                        mAVLTreeWriter.remove(new CASValue(new Str(valueNode.getValue()), mType, pathNodeKey), node.getNodeKey());
                    }
                    break;
                default:
            }
        } catch (final PathException e) {
            throw new SirixIOException(e);
        }
    }
}

Example 2 with ValueNode

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

the class XPathParser method parsePITest.

/**
 * Parses the the rule PITest according to the following production rule:
 * <p>
 * [58] PITest ::= <"processing-instruction" "("> (NCName | StringLiteral)? ")" .
 * </p>
 *
 * @return filter
 */
private Filter parsePITest() {
    consume("processing-instruction", true);
    consume(TokenType.OPEN_BR, true);
    Filter filter = new PIFilter(getTransaction());
    if (!is(TokenType.CLOSE_BR, true)) {
        String stringLiteral;
        if (isQuote()) {
            final byte[] param = ((ValueNode) getTransaction().getItemList().getItem(parseStringLiteral()).get()).getRawValue();
            stringLiteral = Arrays.toString(param);
        } else {
            stringLiteral = parseNCName();
        }
        consume(TokenType.CLOSE_BR, true);
        filter = new NestedFilter(getTransaction(), filter, new NameFilter(getTransaction(), stringLiteral));
    }
    return filter;
}

Example 3 with ValueNode

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

the class XdmNodeWriterTrxImpl method adaptSubtreeForMove.

/**
 * Adapt subtree regarding the index-structures.
 *
 * @param toMove node which is moved (either before the move, or after the move)
 * @param type the type of change (either deleted from the old position or inserted into the new
 *        position)
 * @throws SirixIOException if an I/O exception occurs
 */
private void adaptSubtreeForMove(final Node node, final ChangeType type) throws SirixIOException {
    assert type != null;
    final long beforeNodeKey = getNode().getNodeKey();
    moveTo(node.getNodeKey());
    final Axis axis = new DescendantAxis(this, IncludeSelf.YES);
    while (axis.hasNext()) {
        axis.next();
        for (int i = 0, attCount = getAttributeCount(); i < attCount; i++) {
            moveToAttribute(i);
            final ImmutableAttribute att = (ImmutableAttribute) getNode();
            mIndexController.notifyChange(type, att, att.getPathNodeKey());
            moveToParent();
        }
        for (int i = 0, nspCount = getNamespaceCount(); i < nspCount; i++) {
            moveToAttribute(i);
            final ImmutableNamespace nsp = (ImmutableNamespace) getNode();
            mIndexController.notifyChange(type, nsp, nsp.getPathNodeKey());
            moveToParent();
        }
        long pathNodeKey = -1;
        if (getNode() instanceof ValueNode && getNode().getParentKey() != Fixed.DOCUMENT_NODE_KEY.getStandardProperty()) {
            final long nodeKey = getNode().getNodeKey();
            pathNodeKey = moveToParent().get().getNameNode().getPathNodeKey();
            moveTo(nodeKey);
        } else if (getNode() instanceof NameNode) {
            pathNodeKey = getNameNode().getPathNodeKey();
        }
        mIndexController.notifyChange(type, getNode(), pathNodeKey);
    }
    moveTo(beforeNodeKey);
}

Example 4 with ValueNode

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

the class XdmNodeWriterTrxImpl method setValue.

@Override
public XdmNodeWriteTrx setValue(final String value) throws SirixException {
    checkNotNull(value);
    acquireLock();
    try {
        if (getCurrentNode() instanceof ValueNode) {
            checkAccessAndCommit();
            // XDM).
            if (value.isEmpty()) {
                remove();
                return this;
            }
            // Remove old value from indexes.
            mIndexController.notifyChange(ChangeType.DELETE, getNode(), getPathNodeKey());
            final long oldHash = mNodeReader.getCurrentNode().hashCode();
            final byte[] byteVal = getBytes(value);
            final ValueNode node = (ValueNode) getPageTransaction().prepareEntryForModification(mNodeReader.getCurrentNode().getNodeKey(), PageKind.RECORDPAGE, -1, Optional.<UnorderedKeyValuePage>empty());
            node.setValue(byteVal);
            mNodeReader.setCurrentNode(node);
            adaptHashedWithUpdate(oldHash);
            // Index new value.
            mIndexController.notifyChange(ChangeType.INSERT, getNode(), getPathNodeKey());
            return this;
        } else {
            throw new SirixUsageException("setValue(String) is not allowed if current node is not an IValNode implementation!");
        }
    } finally {
        unLock();
    }
}