Examples with SirixException org.sirix.exception.SirixException used on opensource projects

Example 71 with SirixException

use of org.sirix.exception.SirixException in project sirix by sirixdb.

the class HierarchyFileVisitor method visitFile.

/**
 * <p>
 * Inserts a {@code file-element} with a {@code name-attribute} for the file which is visited.
 * </p>
 * <p>
 * An optional visitor can be used to add further attributes or metadata. The sirix
 * {@link XdmNodeWriteTrx} is located on the new directory before and after using a pluggable
 * visitor.
 * </p>
 *
 * @throws NullPointerException if {@code pDir} or {@code pAttrs} is {@code null}
 */
@Override
public FileVisitResult visitFile(final Path pFile, final BasicFileAttributes pAttrs) throws IOException {
    checkNotNull(pFile);
    checkNotNull(pAttrs);
    try {
        if (Files.isRegularFile(pFile) | Files.isSymbolicLink(pFile)) {
            mIndex.put(pFile, org.sirix.fs.FileSystemPath.ISFILE);
            processEmptyElement(new QNm("file"));
            mWtx.insertAttribute(new QNm("name"), pFile.getFileName().toString());
            mWtx.moveToParent();
            final long nodeKey = mWtx.getNodeKey();
            processFile(mVisitor, mWtx, pFile, pAttrs);
            mWtx.moveTo(nodeKey);
        }
    } catch (SirixException e) {
        LOGWRAPPER.error(e.getMessage(), e);
    }
    return FileVisitResult.CONTINUE;
}

Example 72 with SirixException

use of org.sirix.exception.SirixException in project sirix by sirixdb.

the class HierarchyFileVisitor method preVisitDirectory.

/**
 * <p>
 * Invoked for a directory before directory contents are visited.
 * </p>
 * <p>
 * Inserts a {@code dir-element} with a {@code name-attribute} for the directory to visit.
 * </p>
 * <p>
 * An optional visitor can be used to add further attributes or metadata. The sirix
 * {@link XdmNodeWriteTrx} is located on the new directory before and after using a pluggable
 * visitor.
 * </p>
 *
 * @throws NullPointerException if {@code pDir} or {@code pAttrs} is {@code null}
 */
@Override
public FileVisitResult preVisitDirectory(final Path dir, final BasicFileAttributes attrs) throws IOException {
    checkNotNull(dir);
    checkNotNull(attrs);
    try {
        mIndex.put(dir, org.sirix.fs.FileSystemPath.ISDIRECTORY);
        processStartTag(new QNm("dir"));
        mWtx.insertAttribute(new QNm("name"), dir.getFileName().toString());
        mWtx.moveToParent();
        final long nodeKey = mWtx.getNodeKey();
        processDirectory(mVisitor, mWtx, dir, attrs);
        mWtx.moveTo(nodeKey);
    } catch (SirixException e) {
        LOGWRAPPER.error(e.getMessage(), e);
    }
    return FileVisitResult.CONTINUE;
}

Example 73 with SirixException

use of org.sirix.exception.SirixException in project sirix by sirixdb.

the class DeleteFMSEVisitor method visit.

@Override
public VisitResult visit(final ImmutableElement node) {
    final Long partner = mMatching.partner(node.getNodeKey());
    if (partner == null) {
        VisitResult retVal = delete(node);
        if (node.getNodeKey() == mStartKey) {
            retVal = VisitResultType.TERMINATE;
        }
        return retVal;
    } else {
        mWtx.moveTo(node.getNodeKey());
        final long nodeKey = node.getNodeKey();
        final List<Long> keysToDelete = new ArrayList<>(mWtx.getAttributeCount() + mWtx.getNamespaceCount());
        for (int i = 0, attCount = mWtx.getAttributeCount(); i < attCount; i++) {
            mWtx.moveToAttribute(i);
            final long attNodeKey = mWtx.getNodeKey();
            if (mMatching.partner(attNodeKey) == null) {
                keysToDelete.add(attNodeKey);
            }
            mWtx.moveTo(nodeKey);
        }
        for (int i = 0, nspCount = mWtx.getNamespaceCount(); i < nspCount; i++) {
            mWtx.moveToNamespace(i);
            final long namespNodeKey = mWtx.getNodeKey();
            if (mMatching.partner(namespNodeKey) == null) {
                keysToDelete.add(namespNodeKey);
            }
            mWtx.moveTo(nodeKey);
        }
        for (final long keyToDelete : keysToDelete) {
            mWtx.moveTo(keyToDelete);
            try {
                mWtx.remove();
            } catch (final SirixException e) {
                LOGWRAPPER.error(e.getMessage(), e);
            }
        }
        mWtx.moveTo(nodeKey);
        return VisitResultType.CONTINUE;
    }
}

Example 74 with SirixException

use of org.sirix.exception.SirixException in project sirix by sirixdb.

the class ModificationVisitor method modify.

/**
 * Determines if a node must be modified. If yes, it is deleted and {@code true} is returned. If
 * it must not be deleted {@code false} is returned. The transaction is moved accordingly in case
 * of a remove-operation such that the {@link DescendantAxis} can move to the next node after a
 * delete occurred.
 *
 * @param node the node to check and possibly delete
 * @return {@code true} if node has been deleted, {@code false} otherwise
 */
private VisitResult modify(final ImmutableNode node) {
    assert node != null;
    if (mNodeIndex % MODIFY_EVERY == 0) {
        mNodeIndex = 1;
        try {
            switch(mRandom.nextInt(4)) {
                case 0:
                    final QNm insert = new QNm("testInsert");
                    final long key = mWtx.getNodeKey();
                    mWtx.insertElementAsLeftSibling(insert);
                    boolean moved = mWtx.moveTo(key).hasMoved();
                    assert moved;
                    return VisitResultType.CONTINUE;
                case 1:
                    if (mWtx.getKind() == Kind.TEXT) {
                        mWtx.setValue("testUpdate");
                    } else if (mWtx.getKind() == Kind.ELEMENT) {
                        mWtx.setName(new QNm("testUpdate"));
                    }
                    return VisitResultType.CONTINUE;
                case 2:
                    return delete();
                case 3:
                    mWtx.replaceNode("<foo/>");
                    return VisitResultType.CONTINUE;
            }
        } catch (final SirixException | IOException | XMLStreamException e) {
            LOGWRAPPER.error(e.getMessage(), e);
            return VisitResultType.TERMINATE;
        }
    } else {
        mNodeIndex++;
        return VisitResultType.CONTINUE;
    }
    return VisitResultType.CONTINUE;
}