Examples with MCREvent org.mycore.common.events.MCREvent used on opensource projects

Example 1 with MCREvent

use of org.mycore.common.events.MCREvent in project mycore by MyCoRe-Org.

the class MCRMetadataManager method fireEvent.

private static void fireEvent(MCRBase base, MCRBase oldBase, String eventType) {
    boolean objectEvent = base instanceof MCRObject;
    String type = objectEvent ? MCREvent.OBJECT_TYPE : MCREvent.DERIVATE_TYPE;
    final MCREvent evt = new MCREvent(type, eventType);
    if (objectEvent) {
        evt.put(MCREvent.OBJECT_KEY, base);
    } else {
        evt.put(MCREvent.DERIVATE_KEY, base);
    }
    Optional.ofNullable(oldBase).ifPresent(b -> evt.put(objectEvent ? MCREvent.OBJECT_OLD_KEY : MCREvent.DERIVATE_OLD_KEY, b));
    if (MCREvent.DELETE_EVENT.equals(eventType)) {
        MCREventManager.instance().handleEvent(evt, MCREventManager.BACKWARD);
    } else {
        MCREventManager.instance().handleEvent(evt);
    }
}

Example 2 with MCREvent

use of org.mycore.common.events.MCREvent in project mycore by MyCoRe-Org.

the class MCRFileMetaEventHandler method handleDerivateUpdated.

@Override
protected void handleDerivateUpdated(MCREvent evt, MCRDerivate der) {
    HashSet<MCRCategLinkReference> before = new HashSet<>();
    before.addAll(CATEGLINK_SERVICE.getReferences(der.getId().toString()));
    handleDerivateDeleted(evt, der);
    handleDerivateCreated(evt, der);
    HashSet<MCRCategLinkReference> after = new HashSet<>();
    after.addAll(CATEGLINK_SERVICE.getReferences(der.getId().toString()));
    HashSet<MCRCategLinkReference> combined = new HashSet<>(before);
    combined.addAll(after);
    for (MCRCategLinkReference ref : combined) {
        MCRObjectID derId = der.getId();
        String path = ref.getObjectID();
        MCRPath file = MCRPath.getPath(derId.toString(), path);
        BasicFileAttributes attrs;
        try {
            attrs = Files.readAttributes(file, BasicFileAttributes.class);
        } catch (IOException e) {
            LOGGER.warn("File is linked to category but cannot be read:{}{}", der.getId(), ref.getObjectID(), e);
            continue;
        }
        MCREvent fileEvent = new MCREvent(MCREvent.PATH_TYPE, MCREvent.INDEX_EVENT);
        fileEvent.put(MCREvent.PATH_KEY, file);
        fileEvent.put(MCREvent.FILEATTR_KEY, attrs);
        MCREventManager.instance().handleEvent(fileEvent);
    }
}

Example 3 with MCREvent

use of org.mycore.common.events.MCREvent in project mycore by MyCoRe-Org.

the class MCRDirectory method delete.

/**
 * Deletes this directory and its content stored in the system
 */
@Override
public void delete() throws MCRPersistenceException {
    ensureNotDeleted();
    Stream.of(getChildren()).forEach(MCRFilesystemNode::delete);
    BasicFileAttributes attrs = getBasicFileAttributes();
    MCRPath path = toPath();
    super.delete();
    MCREvent evt = new MCREvent(MCREvent.PATH_TYPE, MCREvent.DELETE_EVENT);
    evt.put(MCREvent.PATH_KEY, path);
    evt.put(MCREvent.FILEATTR_KEY, attrs);
    MCREventManager.instance().handleEvent(evt);
    children = null;
    numChildDirsHere = 0;
    numChildDirsTotal = 0;
    numChildFilesHere = 0;
    numChildFilesTotal = 0;
}

Example 4 with MCREvent

use of org.mycore.common.events.MCREvent in project mycore by MyCoRe-Org.

the class MCRFile method adjustMetadata.

public synchronized void adjustMetadata(FileTime lastModified, String md5, long newSize) throws IOException {
    long sizeDiff = newSize - getSize();
    if (sizeDiff == 0 && this.md5.equals(md5) && lastModified == null) {
        return;
    }
    if (!MD5_HEX_PATTERN.matcher(md5).matches()) {
        throw new IllegalArgumentException("MD5 sum is not valid: " + md5);
    }
    this.md5 = md5;
    this.size = newSize;
    touch(lastModified, false);
    if (hasParent()) {
        getParent().sizeOfChildChanged(sizeDiff);
    }
    // If file content has changed, call event handlers to index content
    String type = isNew() ? MCREvent.CREATE_EVENT : MCREvent.UPDATE_EVENT;
    MCREvent event = new MCREvent(MCREvent.PATH_TYPE, type);
    // to support old events
    event.put(MCRFileEventHandlerBase.FILE_TYPE, this);
    event.put(MCREvent.PATH_KEY, toPath());
    event.put(MCREvent.FILEATTR_KEY, getBasicFileAttributes());
    MCREventManager.instance().handleEvent(event);
    setNew(false);
}

Example 5 with MCREvent

use of org.mycore.common.events.MCREvent in project mycore by MyCoRe-Org.

the class MCRFileEventHandlerBase method toMCRFileEvent.

private MCREvent toMCRFileEvent(MCREvent source, Path path, BasicFileAttributes attrs) {
    if (!(path.getFileSystem() instanceof MCRIFSFileSystem)) {
        LOGGER.error("Cannot transform path from {} to MCRFile.", path.getFileSystem());
        return null;
    }
    if (attrs != null && !attrs.isDirectory()) {
        MCREvent target = new MCREvent(FILE_TYPE, source.getEventType());
        // includes probably "file";
        target.putAll(source);
        if (!target.contains(FILE_TYPE)) {
            if (target.getEventType().equals(MCREvent.DELETE_EVENT)) {
                LOGGER.warn("Could not restore MCRFile for Path event: {}", path);
                return null;
            } else {
                // fileKey is always internal id;
                MCRFile file = MCRFile.getFile(attrs.fileKey().toString());
                if (file == null) {
                    LOGGER.warn("Could not restore MCRFile with id {} for Path event: {}", attrs.fileKey(), path);
                    return null;
                }
                target.put(MCRFILE_EVENT_KEY, file);
            }
        }
        LOGGER.info("Transformed {} -> {}", source, target);
        return target;
    }
    return null;
}