Package org.apache.jackrabbit.oak.plugins.document.util

Examples of org.apache.jackrabbit.oak.plugins.document.util.StringValue

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    @Override
    public <T extends Document> void invalidateCache(Collection<T> collection, String id) {
        if (collection == Collection.NODES) {
            Lock lock = getAndLock(id);
            try {
                nodesCache.invalidate(new StringValue(id));
            } finally {
                lock.unlock();
            }
        }
    }
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    @Override
    public <T extends Document> T getIfCached(Collection<T> collection, String id) {
        if (collection != Collection.NODES) {
            return null;
        } else {
            NodeDocument doc = nodesCache.getIfPresent(new StringValue(id));
            return castAsT(doc);
        }
    }
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        // make sure we only cache the document if it wasn't
        // changed and cached by some other thread in the
        // meantime. That is, use get() with a Callable,
        // which is only used when the document isn't there
        try {
            CacheValue key = new StringValue(doc.getId());
            for (;;) {
                NodeDocument cached = nodesCache.get(key, new Callable<NodeDocument>() {
                    @Override
                    public NodeDocument call() {
                        return doc;
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        } else if (oldDoc == null) {
            // this is an insert and some other thread was quicker
            // loading it into the cache -> return now
            return;
        } else {
            CacheValue key = new StringValue(newDoc.getId());
            // this is an update (oldDoc != null)
            if (Objects.equal(cached.getModCount(), oldDoc.getModCount())) {
                nodesCache.put(key, newDoc);
            } else {
                // the cache entry was modified by some other thread in
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    private <T extends Document> void addToCacheIfNotNewer(Collection<T> collection, T doc) {
        if (collection == Collection.NODES) {
            String id = doc.getId();
            Lock lock = getAndLock(id);
            CacheValue cacheKey = new StringValue(id);
            try {
                // do not overwrite document in cache if the
                // existing one in the cache is newer
                NodeDocument cached = nodesCache.getIfPresent(cacheKey);
                if (cached != null && cached != NodeDocument.NULL) {
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        if (name != null || limit > NUM_CHILDREN_CACHE_LIMIT) {
            // do not use cache when there is a lower bound name
            // or more than 16k child docs are requested
            return store.query(Collection.NODES, from, to, limit);
        }
        StringValue key = new StringValue(path);
        // check cache
        NodeDocument.Children c = docChildrenCache.getIfPresent(key);
        if (c == null) {
            c = new NodeDocument.Children();
            List<NodeDocument> docs = store.query(Collection.NODES, from, to, limit);
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        }
        cacheEntry.append(path, w.toString());

        // update docChildrenCache
        if (!added.isEmpty()) {
            StringValue docChildrenKey = new StringValue(path);
            NodeDocument.Children docChildren = docChildrenCache.getIfPresent(docChildrenKey);
            if (docChildren != null) {
                int currentSize = docChildren.childNames.size();
                NavigableSet<String> names = Sets.newTreeSet(docChildren.childNames);
                // incomplete cache entries must not be updated with
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    @Override
    public <T extends Document> void invalidateCache(Collection<T> collection, String key) {
        if (collection == Collection.NODES) {
            TreeLock lock = acquire(key);
            try {
                nodesCache.invalidate(new StringValue(key));
            } finally {
                lock.unlock();
            }
        }
    }
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                                       final int maxCacheAge) {
        if (collection != Collection.NODES) {
            return findUncachedWithRetry(collection, key,
                    DocumentReadPreference.PRIMARY, 2);
        }
        CacheValue cacheKey = new StringValue(key);
        NodeDocument doc;
        if (maxCacheAge > 0 || preferCached) {
            // first try without lock
            doc = nodesCache.getIfPresent(cacheKey);
            if (doc != null) {
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                    DBObject o = cursor.next();
                    T doc = convertFromDBObject(collection, o);
                    if (collection == Collection.NODES && doc != null) {
                        doc.seal();
                        String id = doc.getId();
                        CacheValue cacheKey = new StringValue(id);
                        // do not overwrite document in cache if the
                        // existing one in the cache is newer
                        NodeDocument cached = nodesCache.getIfPresent(cacheKey);
                        if (cached != null && cached != NodeDocument.NULL) {
                            // check mod count
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Related Classes of org.apache.jackrabbit.oak.plugins.document.util.StringValue

  • org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore
  • org.apache.jackrabbit.oak.plugins.document.MemoryDiffCache
  • org.apache.jackrabbit.oak.plugins.document.MemoryDiffCache$MemoryEntry
  • org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore
  • org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore
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