Examples with DocumentStoreException org.apache.jackrabbit.oak.plugins.document.DocumentStoreException used on opensource projects

Example 16 with DocumentStoreException

use of org.apache.jackrabbit.oak.plugins.document.DocumentStoreException in project jackrabbit-oak by apache.

the class RDBDocumentSerializer method fromRow.

/**
     * Reconstructs a {@link Document} based on the persisted {@link RDBRow}.
     */
@Nonnull
public <T extends Document> T fromRow(@Nonnull Collection<T> collection, @Nonnull RDBRow row) throws DocumentStoreException {
    final String charData = row.getData();
    checkNotNull(charData, "RDBRow.getData() is null for collection " + collection + ", id: " + row.getId());
    T doc = collection.newDocument(store);
    doc.put(ID, row.getId());
    if (row.getModified() != RDBRow.LONG_UNSET) {
        doc.put(MODIFIED, row.getModified());
    }
    if (row.getModcount() != RDBRow.LONG_UNSET) {
        doc.put(MODCOUNT, row.getModcount());
    }
    if (RDBDocumentStore.USECMODCOUNT && row.getCollisionsModcount() != RDBRow.LONG_UNSET) {
        doc.put(CMODCOUNT, row.getCollisionsModcount());
    }
    if (row.hasBinaryProperties() != null) {
        doc.put(HASBINARY, row.hasBinaryProperties().longValue());
    }
    if (row.deletedOnce() != null) {
        doc.put(DELETEDONCE, row.deletedOnce().booleanValue());
    }
    byte[] bdata = row.getBdata();
    boolean blobInUse = false;
    JsopTokenizer json;
    // update operations
    try {
        if (bdata != null && bdata.length != 0) {
            String s = fromBlobData(bdata);
            json = new JsopTokenizer(s);
            json.read('{');
            readDocumentFromJson(json, doc);
            json.read(JsopReader.END);
            blobInUse = true;
        }
    } catch (Exception ex) {
        throw new DocumentStoreException(ex);
    }
    json = new JsopTokenizer(charData);
    // start processing the VARCHAR data
    try {
        int next = json.read();
        if (next == '{') {
            if (blobInUse) {
                throw new DocumentStoreException("expected literal \"blob\" but found: " + row.getData());
            }
            readDocumentFromJson(json, doc);
        } else if (next == JsopReader.STRING) {
            if (!blobInUse) {
                throw new DocumentStoreException("did not expect \"blob\" here: " + row.getData());
            }
            if (!"blob".equals(json.getToken())) {
                throw new DocumentStoreException("expected string literal \"blob\"");
            }
        } else {
            throw new DocumentStoreException("unexpected token " + next + " in " + row.getData());
        }
        next = json.read();
        if (next == ',') {
            do {
                Object ob = JSON.parse(json);
                if (!(ob instanceof List)) {
                    throw new DocumentStoreException("expected array but got: " + ob);
                }
                List<List<Object>> update = (List<List<Object>>) ob;
                for (List<Object> op : update) {
                    applyUpdate(doc, update, op);
                }
            } while (json.matches(','));
        }
        json.read(JsopReader.END);
        return doc;
    } catch (Exception ex) {
        String message = String.format("Error processing persisted data for document '%s'", row.getId());
        if (charData.length() > 0) {
            int last = charData.charAt(charData.length() - 1);
            if (last != '}' && last != '"' && last != ']') {
                message += " (DATA column might be truncated)";
            }
        }
        LOG.error(message, ex);
        throw new DocumentStoreException(message, ex);
    }
}

Example 17 with DocumentStoreException

use of org.apache.jackrabbit.oak.plugins.document.DocumentStoreException in project jackrabbit-oak by apache.

the class RDBDocumentSerializer method applyUpdate.

private <T extends Document> void applyUpdate(T doc, List updateString, List<Object> op) {
    String opcode = op.get(0).toString();
    String key = op.get(1).toString();
    Revision rev = null;
    Object value = null;
    if (op.size() == 3) {
        value = op.get(2);
    } else {
        rev = Revision.fromString(op.get(2).toString());
        value = op.get(3);
    }
    Object old = doc.get(key);
    if ("=".equals(opcode)) {
        if (rev == null) {
            doc.put(key, value);
        } else {
            @SuppressWarnings("unchecked") Map<Revision, Object> m = (Map<Revision, Object>) old;
            if (m == null) {
                m = new TreeMap<Revision, Object>(comparator);
                doc.put(key, m);
            }
            m.put(rev, value);
        }
    } else if ("*".equals(opcode)) {
        if (rev == null) {
            doc.remove(key);
        } else {
            @SuppressWarnings("unchecked") Map<Revision, Object> m = (Map<Revision, Object>) old;
            if (m != null) {
                m.remove(rev);
            }
        }
    } else if ("+".equals(opcode)) {
        if (rev == null) {
            Long x = (Long) value;
            if (old == null) {
                old = 0L;
            }
            doc.put(key, ((Long) old) + x);
        } else {
            throw new DocumentStoreException("unexpected operation " + op + " in: " + updateString);
        }
    } else if ("M".equals(opcode)) {
        if (rev == null) {
            Comparable newValue = (Comparable) value;
            if (old == null || newValue.compareTo(old) > 0) {
                doc.put(key, value);
            }
        } else {
            throw new DocumentStoreException("unexpected operation " + op + " in: " + updateString);
        }
    } else {
        throw new DocumentStoreException("unexpected operation " + op + " in: " + updateString);
    }
}

Example 18 with DocumentStoreException

use of org.apache.jackrabbit.oak.plugins.document.DocumentStoreException in project jackrabbit-oak by apache.

the class RDBDocumentStore method asBytes.

public static byte[] asBytes(String data) {
    byte[] bytes;
    try {
        bytes = data.getBytes("UTF-8");
    } catch (UnsupportedEncodingException ex) {
        LOG.error("UTF-8 not supported??", ex);
        throw new DocumentStoreException(ex);
    }
    if (NOGZIP) {
        return bytes;
    } else {
        try {
            ByteArrayOutputStream bos = new ByteArrayOutputStream(data.length());
            GZIPOutputStream gos = new GZIPOutputStream(bos) {

                {
                    // TODO: make this configurable
                    this.def.setLevel(Deflater.BEST_SPEED);
                }
            };
            gos.write(bytes);
            gos.close();
            return bos.toByteArray();
        } catch (IOException ex) {
            LOG.error("Error while gzipping contents", ex);
            throw new DocumentStoreException(ex);
        }
    }
}

Example 19 with DocumentStoreException

use of org.apache.jackrabbit.oak.plugins.document.DocumentStoreException in project jackrabbit-oak by apache.

the class RDBDocumentStore method readDocumentsUncached.

private <T extends Document> Map<String, T> readDocumentsUncached(Collection<T> collection, Set<String> keys) {
    Map<String, T> result = new HashMap<String, T>();
    Connection connection = null;
    RDBTableMetaData tmd = getTable(collection);
    try {
        connection = this.ch.getROConnection();
        List<RDBRow> rows = db.read(connection, tmd, keys);
        int size = rows.size();
        for (int i = 0; i < size; i++) {
            RDBRow row = rows.set(i, null);
            T document = convertFromDBObject(collection, row);
            result.put(document.getId(), document);
        }
        connection.commit();
    } catch (Exception ex) {
        throw new DocumentStoreException(ex);
    } finally {
        this.ch.closeConnection(connection);
    }
    return result;
}

Example 20 with DocumentStoreException

use of org.apache.jackrabbit.oak.plugins.document.DocumentStoreException in project jackrabbit-oak by apache.

the class RDBDocumentStore method internalCreateOrUpdate.

@CheckForNull
private <T extends Document> T internalCreateOrUpdate(Collection<T> collection, UpdateOp update, boolean allowCreate, boolean checkConditions) {
    T oldDoc = readDocumentCached(collection, update.getId(), Integer.MAX_VALUE);
    if (oldDoc == null) {
        if (!allowCreate) {
            return null;
        } else if (!update.isNew()) {
            throw new DocumentStoreException("Document does not exist: " + update.getId());
        }
        T doc = collection.newDocument(this);
        if (checkConditions && !checkConditions(doc, update.getConditions())) {
            return null;
        }
        addUpdateCounters(update);
        UpdateUtils.applyChanges(doc, update);
        try {
            Stopwatch watch = startWatch();
            if (!insertDocuments(collection, Collections.singletonList(doc))) {
                throw new DocumentStoreException("Can't insert the document: " + doc.getId());
            }
            if (collection == Collection.NODES) {
                nodesCache.putIfAbsent((NodeDocument) doc);
            }
            stats.doneFindAndModify(watch.elapsed(TimeUnit.NANOSECONDS), collection, update.getId(), true, true, 0);
            return oldDoc;
        } catch (DocumentStoreException ex) {
            // may have failed due to a race condition; try update instead
            // this is an edge case, so it's ok to bypass the cache
            // (avoiding a race condition where the DB is already updated
            // but the cache is not)
            oldDoc = readDocumentUncached(collection, update.getId(), null);
            if (oldDoc == null) {
                // something else went wrong
                LOG.error("insert failed, but document " + update.getId() + " is not present, aborting", ex);
                throw (ex);
            }
            return internalUpdate(collection, update, oldDoc, checkConditions, RETRIES);
        }
    } else {
        T result = internalUpdate(collection, update, oldDoc, checkConditions, RETRIES);
        if (allowCreate && result == null) {
            // TODO OAK-2655 need to implement some kind of retry
            LOG.error("update of " + update.getId() + " failed, race condition?");
            throw new DocumentStoreException("update of " + update.getId() + " failed, race condition?");
        }
        return result;
    }
}