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

Example 41 with SirixException

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

the class ProcessFileSystemAttributes method processFile.

@Override
public void processFile(final XdmNodeWriteTrx trx, Path path, final Optional<BasicFileAttributes> attrs) {
    if (Files.exists(path)) {
        final String file = path.getFileName().toString();
        final int index = file.lastIndexOf('.');
        if (index > 0) {
            final String suffix = file.substring(index + 1);
            if (!suffix.isEmpty()) {
                try {
                    trx.insertAttribute(new QNm("suffix"), file.substring(index + 1));
                    trx.moveToParent();
                } catch (SirixException e) {
                    LOGWRAPPER.error(e.getMessage(), e);
                }
            }
        }
    }
}

Example 42 with SirixException

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

the class WikipediaImport method importData.

/**
 * Import data.
 *
 * @param dateRange
 *        <p>
 *        Date range, the following values are possible:
 *        </p>
 *        <dl>
 *        <dt>h</dt>
 *        <dd>hourly revisions</dd>
 *        <dt>d</dt>
 *        <dd>daily revisions</dd>
 *        <dt>w</dt>
 *        <dd>weekly revisions (currently unsupported)</dd>
 *        <dt>m</dt>
 *        <dd>monthly revisions</dd>
 *        </dl>
 *
 * @param data
 *        <p>
 *        List of {@link StartElement}s with the following meaning:
 *        </p>
 *        <dl>
 *        <dt>Zero index</dt>
 *        <dd>Timestamp start tag {@link StartElement}.</dd>
 *        <dt>First index</dt>
 *        <dd>Page start tag {@link StartElement}.</dd>
 *        <dt>Second index</dt>
 *        <dd>Revision start tag {@link StartElement}.</dd>
 *        <dt>Third index</dt>
 *        <dd>Page-ID start tag {@link StartElement}.</dd>
 *        <dt>Fourth index</dt>
 *        <dd>Revision text start tag {@link StartElement}.</dd>
 *        </dl>
 */
@Override
public void importData(final DateBy dateRange, final List<StartElement> data) {
    // Some checks.
    checkNotNull(dateRange);
    checkNotNull(data);
    checkArgument(data.size() == 5, "data must have 5 elements!");
    final StartElement timestamp = data.get(0);
    final StartElement page = data.get(1);
    final StartElement rev = data.get(2);
    final StartElement id = data.get(3);
    // final StartElement text = pData.get(4);
    // Initialize variables.
    mFound = false;
    mIsRev = false;
    boolean isFirst = true;
    try {
        while (mReader.hasNext()) {
            final XMLEvent event = mReader.nextEvent();
            if (isWhitespace(event)) {
                continue;
            }
            // Add event to page or revision metadata list if it's not a
            // whitespace.
            mPageEvents.add(event);
            switch(event.getEventType()) {
                case XMLStreamConstants.START_ELEMENT:
                    if (checkStAXStartElement(event.asStartElement(), rev)) {
                        // StAX parser in rev metadata.
                        isFirst = false;
                        mIsRev = true;
                    } else {
                        parseStartTag(event, timestamp, page, rev, id, dateRange);
                    }
                    break;
                case XMLStreamConstants.END_ELEMENT:
                    if (event.asEndElement().getName().equals(page.getName()) && !isFirst) {
                        // StAX parser is located at the end of an article/page.
                        mIsRev = false;
                        if (mFound) {
                            try {
                                updateShredder();
                            } catch (final IOException e) {
                                LOGWRAPPER.error(e.getMessage(), e);
                            }
                        } else {
                            // Move wtx to end of file and append page.
                            mWtx.moveToDocumentRoot();
                            final boolean hasFirstChild = mWtx.hasFirstChild();
                            if (hasFirstChild) {
                                moveToLastPage(page);
                                assert mWtx.getName().getLocalName().equals(page.getName().getLocalPart());
                            }
                            XMLShredder shredder = null;
                            if (hasFirstChild) {
                                // Shredder as child.
                                shredder = new XMLShredder.Builder(mWtx, XMLShredder.createQueueReader(mPageEvents), Insert.ASRIGHTSIBLING).build();
                            } else {
                                // Shredder as right sibling.
                                shredder = new XMLShredder.Builder(mWtx, XMLShredder.createQueueReader(mPageEvents), Insert.ASFIRSTCHILD).build();
                            }
                            shredder.call();
                            mPageEvents = new ArrayDeque<>();
                        }
                    }
                    break;
                default:
            }
        }
        mWtx.commit();
        mWtx.close();
        mResourceManager.close();
        mDatabase.close();
    } catch (final XMLStreamException | SirixException | IOException e) {
        LOGWRAPPER.error(e.getMessage(), e);
    }
}

Example 43 with SirixException

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

the class SirixDeweyID method parseDivisionValues.

private final int[] parseDivisionValues(String divisionPart) throws SirixException {
    if (divisionPart.charAt(divisionPart.length() - 1) != '.')
        divisionPart += '.';
    String[] divisions = divisionPart.split("\\.");
    int[] divisionValues = new int[divisions.length];
    int i = 0;
    for (String division : divisions) {
        try {
            divisionValues[i] = Integer.parseInt(division);
            i++;
        } catch (NumberFormatException e) {
            throw new SirixException("Division " + i + " has an invalid value: " + division, e);
        }
    }
    return divisionValues;
}

Example 44 with SirixException

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

the class FMSE method emitInsert.

/**
 * Emit an insert operation.
 *
 * @param parent parent of the current {@link Node} implementation reference to insert
 * @param child the current node to insert
 * @param pos position of the insert
 * @param wtx {@link XdmNodeWriteTrx} implementation reference on old revision
 * @param rtx {@link XdmNodeReadTrx} implementation reference on new revision
 * @return inserted {@link Node} implementation reference
 * @throws SirixException if anything in sirix fails
 */
private long emitInsert(final long child, final long parent, final int pos, final XdmNodeWriteTrx wtx, final XdmNodeReadTrx rtx) {
    assert child >= 0;
    assert parent >= 0;
    assert wtx != null;
    assert rtx != null;
    // Determines if node has been already inserted (for subtrees).
    if (mAlreadyInserted.get(child) != null) {
        // actually child'
        return child;
    }
    wtx.moveTo(parent);
    rtx.moveTo(child);
    try {
        switch(rtx.getKind()) {
            case ATTRIBUTE:
                try {
                    wtx.insertAttribute(rtx.getName(), rtx.getValue());
                } catch (final SirixUsageException e) {
                    mTotalMatching.remove(wtx.getNodeKey());
                    wtx.setValue(rtx.getValue());
                }
                process(wtx.getNodeKey(), rtx.getNodeKey());
                break;
            case NAMESPACE:
                // Note that the insertion is right (localPart as prefix).
                try {
                    wtx.insertNamespace(new QNm(rtx.getName().getNamespaceURI(), rtx.getName().getLocalName(), ""));
                } catch (final SirixUsageException e) {
                    mTotalMatching.remove(wtx.getNodeKey());
                }
                process(wtx.getNodeKey(), rtx.getNodeKey());
                break;
            default:
                // In case of other node types.
                long oldKey = 0;
                if (pos == 0) {
                    switch(rtx.getKind()) {
                        case ELEMENT:
                            oldKey = wtx.copySubtreeAsFirstChild(rtx).getNodeKey();
                            break;
                        case TEXT:
                            // is inserted.
                            if (wtx.hasFirstChild()) {
                                wtx.moveToFirstChild();
                                if (wtx.getKind() == Kind.TEXT) {
                                    mTotalMatching.remove(wtx.getNodeKey());
                                    wtx.remove();
                                }
                                wtx.moveTo(parent);
                            }
                            oldKey = wtx.insertTextAsFirstChild(rtx.getValue()).getNodeKey();
                            break;
                        default:
                    }
                } else {
                    assert wtx.hasFirstChild();
                    wtx.moveToFirstChild();
                    for (int i = 0; i < pos - 1; i++) {
                        assert wtx.hasRightSibling();
                        wtx.moveToRightSibling();
                    }
                    // Remove right sibl. text node if a text node already exists.
                    removeRightSiblingTextNode(wtx);
                    switch(rtx.getKind()) {
                        case ELEMENT:
                            oldKey = wtx.copySubtreeAsRightSibling(rtx).getNodeKey();
                            break;
                        case TEXT:
                            oldKey = wtx.insertTextAsRightSibling(rtx.getValue()).getNodeKey();
                            break;
                        default:
                            // Already inserted.
                            throw new IllegalStateException("Child should be already inserted!");
                    }
                }
                // Mark all nodes in subtree as inserted.
                wtx.moveTo(oldKey);
                rtx.moveTo(child);
                for (final Axis oldAxis = new DescendantAxis(wtx, IncludeSelf.YES), newAxis = new DescendantAxis(rtx, IncludeSelf.YES); oldAxis.hasNext() && newAxis.hasNext(); ) {
                    oldAxis.next();
                    newAxis.next();
                    final XdmNodeReadTrx oldRtx = oldAxis.getTrx();
                    final XdmNodeReadTrx newRtx = newAxis.getTrx();
                    process(oldRtx.getNodeKey(), newRtx.getNodeKey());
                    final long newNodeKey = newRtx.getNodeKey();
                    final long oldNodeKey = oldRtx.getNodeKey();
                    if (newRtx.getKind() == Kind.ELEMENT) {
                        assert newRtx.getKind() == oldRtx.getKind();
                        if (newRtx.getAttributeCount() > 0) {
                            for (int i = 0, attCount = newRtx.getAttributeCount(); i < attCount; i++) {
                                rtx.moveToAttribute(i);
                                for (int j = 0, oldAttCount = oldRtx.getAttributeCount(); i < oldAttCount; j++) {
                                    wtx.moveToAttribute(j);
                                    if (wtx.getName().equals(rtx.getName())) {
                                        process(oldAxis.getTrx().getNodeKey(), newAxis.getTrx().getNodeKey());
                                        break;
                                    }
                                    oldAxis.getTrx().moveTo(oldNodeKey);
                                }
                                newAxis.getTrx().moveTo(newNodeKey);
                            }
                        }
                        if (newRtx.getNamespaceCount() > 0) {
                            for (int i = 0, nspCount = newRtx.getNamespaceCount(); i < nspCount; i++) {
                                rtx.moveToNamespace(i);
                                for (int j = 0, oldNspCount = oldRtx.getNamespaceCount(); j < oldNspCount; j++) {
                                    wtx.moveToNamespace(j);
                                    if (wtx.getName().getNamespaceURI().equals(rtx.getName().getNamespaceURI()) && wtx.getName().getPrefix().equals(wtx.getName().getPrefix())) {
                                        process(wtx.getNodeKey(), rtx.getNodeKey());
                                        break;
                                    }
                                    oldAxis.getTrx().moveTo(oldNodeKey);
                                }
                                newAxis.getTrx().moveTo(newNodeKey);
                            }
                        }
                    }
                    newAxis.getTrx().moveTo(newNodeKey);
                }
        }
    } catch (final SirixException e) {
        LOGWRAPPER.error(e.getMessage(), e);
    }
    return wtx.getNodeKey();
}

Example 45 with SirixException

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

the class FMSEImport method dataImport.

/**
 * Import the data.
 *
 * @param resOldRev {@link File} for old revision (sirix resource)
 * @param resNewRev {@link File} for new revision (XML resource)
 */
private void dataImport(final Path resOldRev, @Nonnull final Path resNewRev) {
    try {
        final Path newRevTarget = Files.createTempDirectory(resNewRev.toAbsolutePath().toString());
        if (Files.exists(newRevTarget)) {
            SirixFiles.recursiveRemove(newRevTarget);
        }
        shredder(checkNotNull(resNewRev), newRevTarget);
        try (final Database databaseOld = Databases.openDatabase(resOldRev);
            final ResourceManager resMgrOld = databaseOld.getResourceManager(new ResourceManagerConfiguration.Builder("shredded").build());
            final XdmNodeWriteTrx wtx = resMgrOld.beginNodeWriteTrx();
            final Database databaseNew = Databases.openDatabase(newRevTarget);
            final ResourceManager resourceNew = databaseNew.getResourceManager(new ResourceManagerConfiguration.Builder("shredded").build());
            final XdmNodeReadTrx rtx = resourceNew.beginNodeReadTrx();
            final FMSE fmes = new FMSE()) {
            fmes.diff(wtx, rtx);
        }
    } catch (final SirixException | IOException | XMLStreamException e) {
        LOGWRAPPER.error(e.getMessage(), e);
    }
}